[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.1"]
[White "Tiviakov, Sergei"]
[Black "Pel, Bonno"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2650"]
[BlackElo "2292"]
[ECO "B07"]
[Opening "Pirc"]
[Variation "Byrne variation"]
[WhiteFideId "1008013"]
[BlackFideId "1004760"]
[EventDate "2011.12.21"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 h6 6. Bh4 g5 7. Bg3 Nh5 8. O-O-O
Nc6 9. Bb5 a6 10. Bxc6+ bxc6 11. Nge2 e6 12. h4 Nxg3 13. Nxg3 gxh4 14. Nh5 Bf8
15. e5 Be7 16. Ne4 dxe5 17. dxe5 Qxd2+ 18. Rxd2 c5 19. Nhf6+ Kf8 20. Rxh4 Rb8
21. Nxc5 Rb5 22. Ncd7+ Bxd7 23. Nxd7+ Kg7 24. Rg4+ Kh7 25. c4 Ra5 26. b3 h5 27.
Rg3 Kh6 28. f4 Rd8 29. a4 Bd6 30. Nf6 Ba3+ 31. Kc2 Rxd2+ 32. Kxd2 Rc5 33. Rg5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.2"]
[White "Meng, Roger"]
[Black "Romanov, Evgeny"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2283"]
[BlackElo "2627"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "Breyer variation"]
[WhiteFideId "1000152"]
[BlackFideId "4148843"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nbd2 Bf5 5. g3 e6 6. Bg2 h6 7. O-O Be7 8. b3 O-O
9. Bb2 Nbd7 10. Ne5 Bh7 11. Rc1 a5 12. a3 Nxe5 13. dxe5 Nd7 14. e4 Nc5 15. Qe2
dxe4 16. Nxe4 Qd3 17. Rce1 Qxe2 18. Rxe2 Rfd8 19. Re3 Bxe4 20. Bxe4 Nxe4 21.
Rxe4 Rd3 22. Re3 Rad8 23. Bc3 Rxe3 24. fxe3 Rd3 25. Bxa5 Rxb3 26. Kf2 Bxa3 27.
Ke2 Rb2+ 28. Kd3 Rxh2 29. Ra1 Bc5 30. Rb1 Rg2 31. Rxb7 Rxg3 32. Bd2 h5 33. Ke2
Rg2+ 34. Kd3 h4 35. Rb1 h3 36. Rh1 h2 37. Be1 Rg1 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.3"]
[White "Hess, Robert L"]
[Black "Heemskerk, Wim"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2625"]
[BlackElo "2264"]
[ECO "C16"]
[Opening "French"]
[Variation "Winawer, advance variation"]
[WhiteFideId "2022036"]
[BlackFideId "1001000"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 b6 7. Nh3 Qd7 8. Nf4
Ba6 9. Nh5 Rg8 10. Bxa6 Nxa6 11. Qd3 Qc6 12. O-O Qc4 13. Qxh7 Qxc3 14. Be3 O-O-O
15. Ng3 Nb8 16. Qh5 Rdf8 17. Qe2 Qc4 18. Qd1 Nbc6 19. Re1 Rh8 20. Qd2 Rh4 21. c3
Rfh8 22. h3 f6 23. exf6 gxf6 24. f4 Na5 25. Ra2 Ng6 26. f5 exf5 27. Nxf5 Re4 28.
Qf2 Rhe8 29. Raa1 Qc6 30. Bh6 Kb7 31. Ng3 R4e6 32. Rxe6 Qxe6 33. Rf1 Rh8 34. Bc1
Rf8 35. Nf5 Ne7 36. Bh6 Rf7 37. Ne3 Qc6 38. Qd2 Rh7 39. Bf8 Ng6 40. Bb4 Nc4 41.
Nxc4 dxc4 42. d5 Qe8 43. d6 a5 44. Bxa5 bxa5 45. Qd5+ c6 46. Rb1+ Kc8 47. d7+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.4"]
[White "Rietveld, Renze"]
[Black "Zherebukh, Yaroslav"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2264"]
[BlackElo "2594"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[WhiteFideId "1013998"]
[BlackFideId "14116804"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. Qe2 Bc5 8. Nb3
Bd6 9. Be3 b5 10. O-O-O Be5 11. g4 Bb7 12. Bd2 b4 13. Na4 Bc6 14. Nac5 a5 15.
Bb5 a4 16. Nxa4 Bxe4 17. Bxb4 Bxh1 18. Rxh1 Nd5 19. Bc5 Bd6 20. c4 Bxc5 21.
Naxc5 Qf4+ 22. Kb1 Nc7 23. Nd3 Qd6 24. Rd1 Qb6 25. a4 Nxb5 26. axb5 O-O 27. Qe3
Qc7 28. c5 Qb7 29. Nd4 Qd5 30. Qf3 Qa2+ 31. Kc2 Na6 32. bxa6 Qc4+ 33. Kd2 Qxd4
34. Ra1 Rfb8 35. Ke2 e5 36. Qe3 Rxb2+ 37. Kf3 Rxf2+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.5"]
[White "Ernst, Sipke"]
[Black "Nuri, Kambez"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2593"]
[BlackElo "2256"]
[ECO "E94"]
[Opening "King's Indian"]
[Variation "orthodox, 7...Nbd7"]
[WhiteFideId "1004689"]
[BlackFideId "1311433"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. Be3
Qe7 9. dxe5 dxe5 10. Nd5 Qd8 11. Qc2 Ng4 12. Bg5 f6 13. Bd2 c6 14. Ne3 Nxe3 15.
Bxe3 c5 16. b4 Qe7 17. Nd2 b6 18. bxc5 Nxc5 19. Nb3 Be6 20. Nxc5 bxc5 21. Rab1
Rfc8 22. Rb5 Bf8 23. h3 Qf7 24. Qb2 Bxc4 25. Rb7 Qe6 26. Bxc4 Qxc4 27. Rd1 Rd8
28. Rxd8 Rxd8 29. Rxa7 Re8 30. Rc7 Qb4 31. Qe2 Qxe4 32. Qb5 Rd8 33. Qb6 Bd6 34.
Ra7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.6"]
[White "Meurs, Tom"]
[Black "Ruck, Robert"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2247"]
[BlackElo "2579"]
[ECO "B98"]
[Opening "Sicilian"]
[Variation "Najdorf, 7...Be7"]
[WhiteFideId "1021176"]
[BlackFideId "705713"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qe2
h6 9. Bh4 Nxe4 10. Bxe7 Nxc3 11. Qc4 Kxe7 12. Qxc3 Re8 13. O-O-O Kf8 14. Nf3 d5
15. g4 Nc6 16. Kb1 Qf6 17. Ne5 Qxf4 18. Nxc6 bxc6 19. Qc5+ Re7 20. Bd3 Rb8 21.
a3 Qc7 22. b3 Qb6 23. Qd6 c5 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.7"]
[White "Durarbeyli, Vasif"]
[Black "Van Overdam, Julian"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[WhiteElo "2539"]
[BlackElo "2244"]
[ECO "B81"]
[Opening "Sicilian"]
[Variation "Scheveningen, Keres attack"]
[WhiteFideId "13402935"]
[BlackFideId "1015303"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. h4 Nc6 8. Rg1 h5
9. gxh5 Nxh5 10. Bg5 Nf6 11. Qd2 Qb6 12. Nb3 a6 13. Be2 Bd7 14. O-O-O Qc7 15.
Kb1 O-O-O 16. h5 Be7 17. Rh1 Be8 18. f4 Kb8 19. Bf3 Ng8 20. Rhg1 f6 21. Bh4 Bxh5
22. Bxh5 Rxh5 23. Bf2 Bf8 24. Qe2 Qf7 25. Nd4 Nxd4 26. Rxd4 d5 27. f5 exf5 28.
Bg3+ f4 29. Bxf4+ Bd6 30. Qg4 Bxf4 31. Qxf4+ Re5 32. Rf1 Qe8 33. exd5 Ne7 34.
Re1 Ng6 35. Qg3 Ka8 36. Red1 Ne7 37. Qd3 Nf5 38. Re4 Nd6 39. Rg4 Qe7 40. Qg6 Re1
41. Qxg7 Rxd1+ 42. Nxd1 Qxg7 43. Rxg7 Nf5 44. Rf7 Rxd5 45. Nc3 Rd6 46. b3 Ne3
47. Ne4 Rd1+ 48. Kb2 f5 49. Nc5 Rd2 50. Nxb7 Rxc2+ 51. Ka3 Nd5 52. Na5 Nc3 53.
Nc4 Nxa2 54. Ka4 Kb8 55. Rxf5 Kc7 56. Rf7+ Kc6 57. Na5+ Kd5 58. Rd7+ Ke6 59. Ra7
Nc3+ 60. Kb4 Nd5+ 61. Ka3 Nc7 62. Rb7 Kd7 63. Rb6 Rc5 64. Nc4 Rb5 65. Rd6+ Kc8
66. Rh6 Rg5 67. Ka4 Kb8 68. Rh7 Rc5 69. Na5 Kc8 70. Rh8+ Kd7 71. Nb7 Rd5 72. Rg8
Ne6 73. b4 Kc7 74. Na5 Rd4 75. Kb3 Rd3+ 76. Kc4 Rd4+ 77. Kc3 Rd8 78. Rg6 Rd3+
79. Kc4 Rd4+ 80. Kc3 Rd3+ 81. Kb2 Kd7 82. Nc4 Rh3 83. Ka2 Ke7 84. Rg8 Rc3 85.
Na5 Kd7 86. Nb3 Rc8 87. Rg6 Rc3 88. Rh6 Rg3 89. Kb2 Re3 90. Na5 Nc7 91. Rh7+ Re7
92. Rh3 Nd5 93. Rh4 Nc7 94. Nb3 Kc6 95. Rh6+ Kb7 96. Nc5+ Ka7 97. Rc6 Rf7 98.
Kb3 Rh7 99. Ka4 Kb8 100. Ka5 Ka7 101. Rb6 Nd5 102. Rxa6+ Kb8 103. Rc6 Nxb4 104.
Kxb4 Rh1 105. Ka5 Ra1+ 106. Kb4 Rb1+ 107. Nb3 Kb7 108. Re6 Kc7 109. Kc4 Rh1 110.
Nd4 Rh5 111. Rf6 Rh4 112. Kc5 Rh5+ 113. Nf5 Rh7 114. Ra6 Kb7 115. Kb5 Rh1 116.
Rb6+ Kc7 117. Rc6+ Kd7 118. Rf6 Rc1 119. Ne3 Ke7 120. Rh6 Kd7 121. Nc4 Ke7 122.
Kc5 Rd1 123. Ne3 Ra1 124. Kd4 Re1 125. Rh4 Ke6 126. Re4+ Kd7 127. Kd5 Re2 128.
Re5 Re1 129. Kd4 Ra1 130. Nc4 Rd1+ 131. Kc5 Rc1 132. Re4 Rc2 133. Re1 Rc3 134.
Kd4 Rh3 135. Kd5 Rd3+ 136. Kc5 Rc3 137. Re4 Rc1 138. Re3 Rc2 139. Kd5 Rh2 140.
Ne5+ Kc7 141. Rc3+ Kb6 142. Nc4+ Kc7 143. Rc1 Rh5+ 144. Ne5+ Kb6 145. Rb1+ Kc7
146. Rb5 Rh1 147. Rc5+ Kb7 148. Kd4 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.8"]
[White "Galoyan, Levon"]
[Black "Rapport, Richard"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2231"]
[BlackElo "2534"]
[ECO "E80"]
[Opening "King's Indian"]
[Variation "Saemisch variation"]
[WhiteFideId "13302027"]
[BlackFideId "738590"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 a6 6. Be3 c6 7. Bd3 b5 8. cxb5 axb5
9. b4 O-O 10. Nge2 e5 11. dxe5 dxe5 12. a4 bxa4 13. Rxa4 Rxa4 14. Nxa4 Na6 15.
Bb6 Qd6 16. Bc5 Nxc5 17. bxc5 Qe7 18. O-O Nd7 19. Qc2 Bh6 20. f4 exf4 21. Nxf4
Ne5 22. Kh1 Rd8 23. Be2 Bg4 24. Bxg4 Nxg4 25. Qe2 Nf6 26. g3 Qxe4+ 27. Qxe4 Nxe4
28. Re1 Rd4 29. Nb6 Bxf4 30. gxf4 Nxc5 31. Rc1 Nd3 32. Rxc6 Nxf4 33. Kg1 Rd2 34.
Nc4 Rg2+ 35. Kh1 Rc2 36. Kg1 Kg7 37. Ne5 Rg2+ 38. Kf1 Rg5 39. Nf3 Rf5 40. Kf2
Nd3+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.9"]
[White "Brandenburg, Daan"]
[Black "Clemens, Adrian"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2519"]
[BlackElo "2226"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1011014"]
[BlackFideId "1006487"]
[EventDate "2011.12.21"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 e6 5. Bc4 Nb6 6. Bb3 Nc6 7. d4 cxd4 8. cxd4
d6 9. O-O dxe5 10. dxe5 Qxd1 11. Rxd1 Nd7 12. Nc3 a6 13. Bf4 Nc5 14. Bc2 Nb4 15.
Rac1 Nxc2 16. Rxc2 Bd7 17. h3 Be7 18. b4 Ba4 19. Nxa4 Nxa4 20. Be3 Rd8 21. Rb1
Rd5 22. Rc7 Rd7 23. Rc8+ Rd8 24. Rbc1 O-O 25. R8c7 Bxb4 26. Rxb7 Rb8 27. Ra7 Nc3
28. Rc2 a5 29. a3 Nb5 30. axb4 Nxa7 31. Bxa7 Rxb4 32. Kf1 Ra8 33. Bd4 a4 34. Ke2
h6 35. Ra2 Rb1 36. Nd2 Rb4 37. Bc3 Rb5 38. Ne4 Rd5 39. Ke3 Rb5 40. f4 Rb1 41.
Nd6 Rd1 42. Bd4 Rb1 43. Kd3 Rd1+ 44. Ke3 Rb1 45. Bc3 Rd1 46. Ne4 Rb1 47. Bd2
Rb3+ 48. Bc3 Rb1 49. Kd3 Rd1+ 50. Ke2 Rg1 51. g4 Rg2+ 52. Nf2 Rg3 53. Bd4 Rb3
54. h4 Rb4 55. Ke3 Rd8 56. Bc3 Rb3 57. Ne4 a3 58. Ke2 Rd5 59. h5 Rd8 60. f5 Rd5
61. f6 Rd8 62. fxg7 Kxg7 63. Ra1 Rd5 64. Rc1 a2 65. Ra1 Ra3 66. Bb2 Ra8 67. Nc3
Rda5 68. Kd3 Rd8+ 69. Kc2 Rd4 70. Rg1 Rf4 71. Kb3 Rf3 72. Kb4 Ra8 73. Kb3 Ra5
74. Kb4 Ra8 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.10"]
[White "Anurag, Mhamal"]
[Black "Bok, Benjamin"]
[Result "1-0"]
[BlackTitle "IM"]
[WhiteElo "2222"]
[BlackElo "2513"]
[ECO "A25"]
[Opening "English"]
[Variation "closed system"]
[WhiteFideId "5024366"]
[BlackFideId "1017063"]
[EventDate "2011.12.21"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 f5 6. Nge2 Nf6 7. d3 O-O 8. O-O d6
9. Rb1 a5 10. a3 Ne7 11. f4 h6 12. e4 exf4 13. gxf4 Nc6 14. Kh1 Ng4 15. Qe1 Bf6
16. Rf3 Re8 17. Qg1 Bg7 18. Bd2 Kh7 19. Rg3 Qe7 20. Bf3 Qf7 21. Nd5 Nf6 22. Nec3
Nxd5 23. Nxd5 Nd4 24. Bh5 gxh5 25. Rxg7+ Qxg7 26. Qxg7+ Kxg7 27. Nxc7 Nf3 28.
Nxe8+ Kf8 29. Nc7 Rb8 30. Be3 fxe4 31. Ba7 e3 32. Kg2 Nh4+ 33. Kg3 Bg4 34. Kxh4
Rc8 35. Nd5 e2 36. Ne3 Re8 37. Re1 b5 38. cxb5 Bd7 39. a4 Kf7 40. Rxe2 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.11"]
[White "Michalik, Peter"]
[Black "Duijker, Rick"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2509"]
[BlackElo "2204"]
[ECO "E00"]
[Opening "Catalan opening"]
[WhiteFideId "14907526"]
[BlackFideId "1010565"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Nf3 Nc6 6. Nc3 O-O 7. Bg2 Bxc3 8.
Bxc3 Ne4 9. Rc1 d6 10. d5 Nxc3 11. Rxc3 Nd8 12. O-O e5 13. Qc2 c5 14. a3 f5 15.
b4 b6 16. bxc5 bxc5 17. Nd2 e4 18. Re3 Qf6 19. g4 g6 20. gxf5 gxf5 21. Rg3+ Kh8
22. f3 e3 23. Ne4 Qd4 24. Rd1 Qe5 25. Ng5 h6 26. f4 Qxf4 27. Ne6 Bxe6 28. Qc3+
Qe5 29. Qxe5+ dxe5 30. dxe6 Nxe6 31. Bxa8 Rxa8 32. Rxe3 e4 33. Rd5 Rf8 34. Re5
Rf6 35. Rb3 Kg7 36. Rb7+ Kg6 37. e3 Ng5 38. Rxc5 Ra6 39. Rb3 Nf3+ 40. Kg2 Kg5
41. Rd5 Rg6 42. Kg3 h5 43. h3 a6 44. c5 Kf6+ 45. Kf4 Ng5 46. Rxf5+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.12"]
[White "Kerigan, Demre"]
[Black "Hoffmann, Michael1"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "2192"]
[BlackElo "2499"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Adams attack"]
[WhiteFideId "6307841"]
[BlackFideId "4601297"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Be7 8. Bg2
Nfd7 9. Be3 Nc6 10. O-O O-O 11. a4 Nde5 12. Nde2 Rb8 13. b3 b5 14. axb5 axb5 15.
Ng3 Ng6 16. f4 e5 17. f5 Nf4 18. Nd5 Nxg2 19. Kxg2 f6 20. Qd2 Rf7 21. Rfd1 Bf8
22. Ne2 Bb7 23. Nec3 Ne7 24. Ra7 Nc6 25. Raa1 Ne7 26. Ra7 Nc6 27. Ra2 Ne7 28.
Rda1 Kh8 29. Kg1 Nxd5 30. Nxd5 Rc8 31. Ra7 h6 32. R1a2 Kh7 33. Qd3 Qe8 34. R7a5
Bc6 35. Nb4 Rb7 36. Ra7 Qd7 37. R2a6 Rxa7 38. Rxa7 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.13"]
[White "Michiels, Bart"]
[Black "Lyell, Mark"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2492"]
[BlackElo "2189"]
[ECO "E36"]
[Opening "Nimzo-Indian"]
[Variation "classical, Noa variation, 5.a3"]
[WhiteFideId "202967"]
[BlackFideId "402354"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5 7. dxc5 d4 8. Qg3
Nc6 9. Nf3 e5 10. e4 O-O 11. Bd3 Nd7 12. b4 a5 13. Rb1 axb4 14. axb4 Ra4 15. Bh6
g6 16. Bxf8 Qxf8 17. O-O Nxb4 18. Be2 Qxc5 19. Ne1 Nf6 20. Nd3 Nxd3 21. Qxd3 Be6
22. Qb3 Ra6 23. Rfc1 b5 24. Qxb5 Qxb5 25. cxb5 Ra2 26. Bf3 Ng4 27. Ra1 Nh6 28.
Rxa2 Bxa2 29. Re1 f5 30. b6 Kf7 31. g3 g5 32. exf5 Nxf5 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.14"]
[White "Vogel, Jaap"]
[Black "Naroditsky, Daniel"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2169"]
[BlackElo "2472"]
[ECO "A49"]
[Opening "King's Indian"]
[Variation "fianchetto without c4"]
[WhiteFideId "1000764"]
[BlackFideId "2026961"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. c4 c6 7. Nc3 Nbd7 8. h3 e5
9. Be3 Qe7 10. Rc1 Rd8 11. d5 c5 12. Qd2 Nh5 13. Bg5 f6 14. Bh6 e4 15. Nh2 Bxh6
16. Qxh6 f5 17. g4 Ng7 18. f4 Nf6 19. Qg5 Bd7 20. e3 Rab8 21. Rfd1 a6 22. Bf1
Re8 23. Be2 b5 24. Rd2 Qf7 25. Nf1 bxc4 26. Ng3 Kh8 27. Kh1 Rb6 28. gxf5 Nxf5
29. Nxf5 Bxf5 30. h4 Reb8 31. Rcc2 h5 32. Bxc4 Qg7 33. Be2 Rf8 34. Nd1 Bg4 35.
Nc3 Nh7 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.15"]
[White "Plat, Vojtech"]
[Black "Sparenberg, Erik"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2425"]
[BlackElo "2162"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Morphy defence"]
[WhiteFideId "325740"]
[BlackFideId "1013262"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Re1 b5 8. e5
Nxe5 9. Nxe5 bxa4 10. Qxd4 O-O 11. Bg5 Rb8 12. Nd2 Rb6 13. Nd3 Bb7 14. Qxa4 Rb5
15. Bh4 Rh5 16. Bg3 d5 17. Qb3 Ba8 18. Nf4 Rh6 19. c4 Ne4 20. Nxe4 dxe4 21. Nd5
f5 22. Bxc7 Qd7 23. Bf4 g5 24. Nxe7+ Qxe7 25. c5+ Kg7 26. Bd6 Rxd6 27. cxd6 Qxd6
28. Red1 Qe7 29. Rac1 f4 30. Qb6 Rf7 31. Rd8 Bb7 32. Rcd1 e3 33. Qd4+ Kg6 34.
Rd6+ Kh5 35. f3 Bc8 36. h3 Bf5 37. g4+ fxg3 38. Qg4+ Bxg4 39. hxg4+ Kh4 40. Rh6# 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.16"]
[White "Knol, Geon"]
[Black "Thesing, Matthias"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2152"]
[BlackElo "2409"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1012142"]
[BlackFideId "4600720"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 e6 3. f4 d5 4. d3 dxe4 5. dxe4 Qxd1+ 6. Nxd1 b6 7. Bb5+ Nd7 8.
Nc3 a6 9. Bc6 Rb8 10. e5 Ne7 11. Bf3 Nf5 12. Nge2 h5 13. a4 Bb7 14. Bxb7 Rxb7
15. Ne4 f6 16. O-O Be7 17. exf6 gxf6 18. N4g3 Nxg3 19. Nxg3 f5 20. c4 Nf6 21.
Ra3 Kf7 22. Rd3 b5 23. axb5 axb5 24. cxb5 Rxb5 25. Ne2 Rhb8 26. Nc3 Ra5 27. Rfd1
c4 28. Rh3 Rb3 29. Kf1 Bb4 30. Rd4 Bxc3 31. Rxc4 Nd5 32. Ke2 Ra1 33. Bd2 Rxb2
34. Rhxc3 Nxc3+ 35. Rxc3 Raa2 36. Rd3 Ra5 37. Rd7+ Ke8 38. Rb7 Raa2 39. Rxb2
Rxb2 40. Kd3 Kd7 41. Kc3 Ra2 42. Kd3 Kc6 43. Kc3 Kd5 44. Kd3 h4 45. g3 h3 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.17"]
[White "Poetsch, Hagen"]
[Black "Bijlsma, Nick"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2408"]
[BlackElo "2150"]
[ECO "B96"]
[Opening "Sicilian"]
[Variation "Najdorf, 7.f4"]
[WhiteFideId "24615137"]
[BlackFideId "1007041"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Bxf6
gxf6 9. f5 Nc6 10. fxe6 fxe6 11. Bc4 Nxd4 12. Qxd4 Be7 13. O-O-O Qc5 14. Qxc5
dxc5 15. Na4 Bd8 16. Nxc5 Ke7 17. e5 fxe5 18. Rhe1 Bc7 19. Re3 b6 20. Rg3 Rf8
21. Rg7+ Rf7 22. Rxf7+ Kxf7 23. Nxe6 Bxe6 24. Rd7+ Kf6 25. Rxc7 Bxc4 26. Rxc4 b5
27. Rc6+ Kf5 28. Kd2 Rg8 29. g3 h5 30. Rxa6 h4 31. Ra3 Rg4 32. Rf3+ Ke4 33. Rb3
Rg8 34. Ke2 hxg3 35. hxg3 Kd4 36. Rxb5 Rxg3 37. c3+ Ke4 38. Rb4+ Kf5 39. a4 e4
40. a5 Kf4 41. a6 Rg2+ 42. Kf1 Rg8 43. Kf2 Ra8 44. Ra4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.18"]
[White "Dehn, Marcus"]
[Black "Kuipers, Stefan"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2134"]
[BlackElo "2396"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "Grand Prix attack"]
[WhiteFideId "4667093"]
[BlackFideId "1018400"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Bb5 Nge7 5. Nf3 a6 6. Bxc6 Nxc6 7. O-O Be7 8. d3
O-O 9. Be3 d5 10. Bf2 b5 11. Qe1 Bb7 12. e5 Qd7 13. d4 cxd4 14. Nxd4 Nxd4 15.
Bxd4 Rac8 16. Qf2 f6 17. a3 fxe5 18. Bxe5 Bc5 19. Bd4 Bxd4 20. Qxd4 Rc4 21. Qd2
Qc7 22. Qe1 Qc6 23. Rf2 Rcxf4 24. Rxf4 Rxf4 25. Qg3 Qc5+ 26. Kh1 Qf2 27. Ne2
Qxg3 28. hxg3 Rf2 29. Nd4 e5 30. Kg1 Rd2 31. Nf3 Rxc2 32. Nxe5 Rxb2 33. Rc1 Re2
34. Nd3 d4 35. Rc7 Be4 36. Rc8+ Kf7 37. Rc7+ Kf6 38. Nf4 Ra2 39. Rd7 g5 40. Rxd4
Ke5 41. Ne6 Bxg2 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.19"]
[White "Firat, Burak"]
[Black "Theulings, Paul-Peter"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "CM"]
[WhiteElo "2393"]
[BlackElo "2128"]
[ECO "B03"]
[Opening "Alekhine's defence"]
[Variation "exchange variation"]
[WhiteFideId "6305881"]
[BlackFideId "1002899"]
[EventDate "2011.12.21"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nf3 Be7 7. h3 Bf5 8. Be2
O-O 9. O-O h6 10. Nc3 Bf6 11. Bf4 Nc6 12. Rc1 Re8 13. d5 Ne5 14. Nd4 Bh7 15. b3
Nbd7 16. Na4 Ng6 17. Be3 Nh4 18. Qd2 Qe7 19. Rfe1 Qe4 20. Bf1 Ne5 21. Kh1 Qg6
22. Nb2 Qh5 23. f4 Nd7 24. Na4 Be4 25. Kh2 g5 26. Nc3 g4 27. Qd1 Bxg2 28. Bxg2
Nxg2 29. Bf2 Qxh3+ 30. Kg1 Nxe1 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.20"]
[White "Cako, Laszlo"]
[Black "Klein, David"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2111"]
[BlackElo "2378"]
[ECO "C63"]
[Opening "Ruy Lopez"]
[Variation "Schliemann defence, Berger variation"]
[WhiteFideId "1008153"]
[BlackFideId "1003623"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Qe2 d5 7. Nxf6+ gxf6 8.
d4 Bg7 9. dxe5 O-O 10. Bxc6 bxc6 11. e6 Re8 12. O-O Bxe6 13. Bf4 Rb8 14. b3 Bg4
15. Qd3 Qd7 16. Rae1 Bf5 17. Qc3 Be4 18. Nd2 Bg6 19. Nf3 Kf7 20. Nd4 Bf8 21.
Qxc6 Qxc6 22. Nxc6 Rb6 23. Rxe8 Kxe8 24. Nd4 c5 25. Ne2 Bxc2 26. Nc3 d4 27. Rc1
Bg6 28. Nd5 Rc6 29. Kf1 Bd3+ 30. Kg1 Kd7 31. f3 Bg6 32. Bd2 Ra6 33. Be1 Rxa2 34.
Nxf6+ Ke6 35. Ne4 Bxe4 36. fxe4 Ke5 37. Bg3+ Kxe4 38. Re1+ Kd3 39. Bf4 Re2 40.
Ra1 Kc3 41. Rxa7 d3 42. Rf7 Be7 43. Rxh7 Bf6 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.21"]
[White "De Jong, Migchiel"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[WhiteElo "2367"]
[BlackElo "2105"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "3.Nd2"]
[WhiteFideId "1002848"]
[BlackFideId "1027255"]
[EventDate "2011.12.21"]

1. e4 c6 2. d4 d5 3. Nd2 g6 4. Ngf3 h5 5. Bd3 Nh6 6. O-O Bg4 7. h3 dxe4 8. Nxe4
Bf5 9. Re1 e6 10. Bf4 Bxe4 11. Bxe4 Be7 12. Qd2 Nf5 13. Bxf5 gxf5 14. c4 Nd7 15.
d5 Nc5 16. Qd4 Rg8 17. d6 b6 18. dxe7 Qxd4 19. Nxd4 Nd3 20. Nxc6 Nxe1 21. Rxe1
Kd7 22. Ne5+ Kxe7 23. Rd1 f6 24. Nc6+ Ke8 25. b4 e5 26. Bc1 f4 27. Kf1 Rg6 28.
Bb2 Rg7 29. Rd6 Kf7 30. f3 Rag8 31. Rd2 Ke6 32. b5 Rd7 33. Re2 Rc8 34. a4 Rd1+
35. Kf2 Rc7 36. a5 bxa5 37. Nxa5 Rcd7 38. Nb3 Kd6 39. c5+ Kc7 40. c6 R7d5 41.
Rc2 Rxb5 42. Nc5 Rxc5 43. Rxc5 Rd2+ 44. Kg1 Rxb2 45. Ra5 Kb6 46. Rc5 Kc7 47. Ra5
Kb6 48. Rc5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.22"]
[White "Andraschko, Felix"]
[Black "Van Assendelft, Floris"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2103"]
[BlackElo "2357"]
[ECO "E70"]
[Opening "King's Indian"]
[Variation "4.e4"]
[WhiteFideId "24628174"]
[BlackFideId "1010271"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 c6 6. Be2 d5 7. cxd5 cxd5 8. e5
Ne4 9. O-O Nc6 10. Qb3 Na5 11. Qa3 Bg4 12. Ne1 Nc4 13. Bxc4 Nxc3 14. Qxc3 dxc4
15. Qxc4 Rc8 16. Qd3 Qb6 17. Nf3 Rfd8 18. h3 Bf5 19. Qe3 Rc2 20. Rd1 Qb5 21. a4
Qd5 22. Ra3 Be4 23. b4 Bxf3 24. Qxf3 Qxf3 25. Rxf3 Bxe5 26. Rfd3 Bd6 27. Ba3 Ra2
28. R1d2 Ra1+ 29. Rd1 Rxd1+ 30. Rxd1 a5 31. Rb1 Rc8 32. g3 Rc3 33. Bc1 axb4 34.
Bd2 Rc4 35. Be3 Kg7 36. Rb3 Kf6 37. Kf1 Rc2 38. Ke1 Ke6 39. Bd2 Kd5 40. Bxb4 Kc4 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.23"]
[White "Pijpers, Arthur"]
[Black "Kappus, Stephan"]
[Result "1-0"]
[WhiteElo "2332"]
[BlackElo "2093"]
[ECO "B96"]
[Opening "Sicilian"]
[Variation "Najdorf, 7.f4"]
[WhiteFideId "1019554"]
[BlackFideId "12906875"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3
Qc7 9. O-O-O b5 10. Bxb5 axb5 11. e5 Bb7 12. Ndxb5 Qb8 13. Qe2 dxe5 14. Qc4 Bc5
15. Bxf6 gxf6 16. Rxd7 Be3+ 17. Kb1 Kxd7 18. Rd1+ Bd4 19. fxe5 fxe5 20. Nxd4 Ke7
21. Qc5+ Ke8 22. Ndb5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.24"]
[White "Van Overdam, Jan"]
[Black "Thakur, Akash"]
[Result "0-1"]
[WhiteElo "2069"]
[BlackElo "2324"]
[ECO "C69"]
[Opening "Ruy Lopez"]
[Variation "exchange variation, 5.O-O"]
[WhiteFideId "1022741"]
[BlackFideId "5008514"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 Bxf3 7. Qxf3 Qd7 8.
d3 f6 9. Be3 h5 10. Rd1 O-O-O 11. Nc3 g5 12. d4 g4 13. Qg3 exd4 14. Bxd4 Qe6 15.
Be3 Bd6 16. Bf4 Nh6 17. Qe3 Bxf4 18. Rxd8+ Rxd8 19. Qxf4 gxh3 20. g3 Ng4 21. f3
Ne5 22. Rd1 Rxd1+ 23. Nxd1 Qd6 24. Nf2 Qd4 25. Qxf6 b5 26. Qh8+ Kb7 27. Qxh5
Qxb2 28. f4 Qc1+ 29. Qd1 Nf3+ 30. Kh1 Qe3 31. Qf1 Nd2 32. Qg1 Nf3 33. Qf1 Nd2
34. Qg1 Nxe4 35. Nxe4 Qxe4+ 36. Kh2 Qxc2+ 37. Kxh3 Qxa2 38. g4 b4 39. g5 b3 40.
g6 b2 41. g7 Qe6+ 42. Qg4 Qxg4+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.25"]
[White "Georgiadis, Nico"]
[Black "Hummel, Joop"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2316"]
[BlackElo "2030"]
[ECO "C19"]
[Opening "French"]
[Variation "Winawer, advance, poisoned pawn variation"]
[WhiteFideId "1300113"]
[BlackFideId "1012126"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Bd3
c4 9. Be2 Bd7 10. Qxg7 Rg8 11. Qxh7 Nbc6 12. g3 O-O-O 13. Qh6 Nf5 14. Qf4 Nce7
15. h4 Ba4 16. h5 Rh8 17. Bd1 Ng6 18. Qf3 Nxe5 19. dxe5 d4 20. Qf4 dxc3 21. Be3
Rxd1+ 22. Kxd1 Rd8+ 23. Ke1 Bxc2 24. Ne2 Bb3 25. Kf1 Qc6 26. Kg1 c2 27. Kh2 Rd1
28. Rg1 Nxe3 29. Qxe3 Rd3 30. Qf4 Rf3 31. Nd4 Rxf4 32. Nxc6 Rxf2+ 33. Rg2 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.26"]
[White "Maatman, Nick"]
[Black "Afek, Yochanan"]
[Result "1-0"]
[BlackTitle "IM"]
[WhiteElo "2029"]
[BlackElo "2301"]
[ECO "E70"]
[Opening "King's Indian"]
[Variation "4.e4"]
[WhiteFideId "1040391"]
[BlackFideId "2800462"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 c5 6. Nf3 cxd4 7. Nxd4 Nc6 8. Nc2
d6 9. O-O Nd7 10. Bd2 a5 11. Qc1 a4 12. Bh6 Nc5 13. Bxg7 Kxg7 14. Ne3 Be6 15.
Rb1 Nd4 16. Qd2 Nxe2+ 17. Qxe2 Qa5 18. Rfc1 Rfc8 19. b4 axb3 20. axb3 Qd8 21. b4
Nd7 22. Ncd5 Bxd5 23. Nxd5 e6 24. Ne3 Nf6 25. Qb2 Kg8 26. e5 dxe5 27. Qxe5 Ra2
28. Rd1 Qe7 29. c5 h5 30. h3 Kh7 31. Nc4 Rca8 32. Rb3 Ng8 33. Rf3 Nh6 34. Nd6
R8a3 35. Rxa3 Rxa3 36. Ne4 Ng8 37. f4 f6 38. Qb8 Kh8 39. Qc8 Qg7 40. Qxe6 Re3
41. Kf2 Ra3 42. Rd8 Ra6 43. Nd6 f5 44. Qe5 Ra2+ 45. Ke3 Ra3+ 46. Ke2 Ra2+ 47.
Kd3 Qxe5 48. fxe5 Kg7 49. Rd7+ Kh6 50. Rxb7 Rxg2 51. c6 Kg5 52. Rg7 Rg3+ 53. Kd4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.21"]
[Round "1.27"]
[White "Tarasova, Viktoriya"]
[Black "Maris, Ivo"]
[Result "1-0"]
[WhiteTitle "WIM"]
[WhiteElo "2294"]
[BlackElo "2022"]
[ECO "D80"]
[Opening "Gruenfeld defence"]
[WhiteFideId "4175840"]
[BlackFideId "1028146"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. Ne2 O-O 8.
Nc3 Qd8 9. Be2 c5 10. d5 a6 11. a4 e6 12. e4 Qh4 13. Bf3 Nd7 14. g3 Qh3 15. Ne2
Ne5 16. Nf4 Qh6 17. Bg2 g5 18. Nd3 Nxd3+ 19. Qxd3 Bd4 20. O-O Qf6 21. Qd2 h6 22.
Ra3 Bd7 23. Kh1 exd5 24. exd5 b5 25. a5 b4 26. Rf3 Qd6 27. h4 g4 28. Rf4 Be5 29.
Re4 f5 30. Rxe5 Qxe5 31. Qxh6 Bb5 32. Rd1 Qe2 33. Qg6+ Kh8 34. Rg1 Bd3 35. Qh6+
Kg8 36. Qg5+ Kh8 37. Qh6+ Kg8 38. d6 Be4 39. Qg6+ Kh8 40. Qh6+ Kg8 41. Qg5+ Kh8
42. Qh6+ Kg8 43. Qe6+ Kh7 44. Kh2 Qxf2 45. Qh6+ Kg8 46. Qg6+ Kh8 47. Qh6+ Kg8
48. Qg5+ Kh7 49. Qe7+ Kg8 50. Bf4 Rf7 51. Qe6 Rd8 52. Be5 Kf8 53. Qh6+ Ke8 54.
Qe6+ Kf8 55. Qh6+ Ke8 56. Qg6 Kf8 57. Qh6+ Ke8 58. Qe6+ Kf8 59. b3 Qd2 60. Bf4
Qb2 61. Bh6+ Kg8 62. Bg5 Rd7 63. Be7 Bc6 64. Kh1 Bxg2+ 65. Rxg2 Qc1+ 66. Rg1 Qc3
67. Qxd7 Qf3+ 68. Rg2 f4 69. Qc8+ Kh7 70. Qxc5 Qd1+ 71. Qg1 Qd3 72. Qf2 Qf3 73.
Qc2+ Kh6 74. Bg5+ Kh5 75. Bxf4 Rc7 76. Qf5# 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.1"]
[White "Kuipers, Stefan"]
[Black "Tiviakov, Sergei"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2396"]
[BlackElo "2650"]
[ECO "C10"]
[Opening "French"]
[Variation "Rubinstein variation"]
[WhiteFideId "1018400"]
[BlackFideId "1008013"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Be2 c5 8.
c3 Be7 9. O-O O-O 10. Bg5 Qc7 11. Qb3 b6 12. dxc5 bxc5 13. Qc4 Bb7 14. Rfd1 Bd5
15. Qf4 Bd6 16. Qh4 Ne4 17. c4 Bc6 18. Bd3 Nxg5 19. Nxg5 h6 20. Bh7+ Kh8 21. Be4
Bxe4 22. Nxe4 Be5 23. Rd2 Rab8 24. Rad1 Rxb2 25. Rxb2 Bxb2 26. g3 f5 27. Nd6 a6
28. Qf4 Bf6 29. Rb1 Bd4 30. Rb7 Qc6 31. Rf7 Kg8 32. Rxf8+ Kxf8 33. g4 Ke7 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.2"]
[White "Romanov, Evgeny"]
[Black "Klein, David"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2627"]
[BlackElo "2378"]
[ECO "A14"]
[Opening "English"]
[Variation "Neo-Catalan declined"]
[WhiteFideId "4148843"]
[BlackFideId "1003623"]
[EventDate "2011.12.21"]

1. g3 Nf6 2. Bg2 d5 3. Nf3 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qa4 a6 8. Qxc4
b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 Bb7 12. Qc2 Be4 13. Qc1 Bb7 14. a4 Nbd7 15.
Ba5 Bd6 16. Na3 Qb8 17. b4 e5 18. Rd1 Be4 19. axb5 axb5 20. dxe5 Nxe5 21. Nd4
Bxg2 22. Kxg2 Qb7+ 23. Kg1 Qc8 24. Naxb5 Qh3 25. Qg5 Neg4 26. Qh4 Qxh4 27. gxh4
Bxh2+ 28. Kg2 Be5 29. Bxc7 Nd5 30. Rxa8 Rxa8 31. Nc6 Nxc7 32. Nxe5 Nxb5 33. Nxg4
Nc3 34. Rd2 h5 35. Ne5 Re8 36. f4 f6 37. Ng6 Nxe2 38. b5 Nc3 39. b6 Na4 40. b7
Nc5 41. Rb2 Rb8 42. Rb5 Nxb7 43. f5 Kf7 44. Rb6 Ke8 45. Nf4 Kd7 46. Ne6 Kc8 47.
Nxg7 Kc7 48. Rxf6 Nd6 49. Nxh5 Rh8 50. Nf4 Rxh4 51. Kf3 Nxf5 52. Rxf5 Rh1 53.
Rd5 Kc6 54. Ke4 Re1+ 55. Kf5 Rf1 56. Re5 Kd6 57. Re2 Rh1 58. Rd2+ Kc5 59. Ke4
Re1+ 60. Ne2 Rh1 61. Ng3 Re1+ 62. Kf5 Kb4 63. Ne4 Rf1+ 64. Ke5 Rf8 65. Rd4+ Kb3
66. Rd3+ Kb4 67. Nf6 Rh8 68. Nd5+ Kc4 69. Rc3+ Kb5 70. Nf4 Rh4 71. Rc7 Rg4 72.
Ne6 Rg1 73. Kd5 Kb4 74. Rc4+ Kb3 75. Nd4+ Kb2 76. Rc2+ Kb1 77. Rh2 Rg8 78. Nb5
Kc1 79. Kc4 Kd1 80. Nc3+ Ke1 81. Kd4 Kf1 82. Nd5 Kg1 83. Rc2 Rd8 84. Ke4 Kf1 85.
Kf3 Ke1 86. Nc3 Rd3+ 87. Kf4 Rh3 88. Ke4 Rh8 89. Ne2 Kd1 90. Ra2 Re8+ 91. Kd3
Ke1 92. Ng3 Rd8+ 93. Ke3 Re8+ 94. Ne4 Kd1 95. Rh2 Kc1 96. Kd3 Rd8+ 97. Kc4 Rc8+
98. Nc5 Kd1 99. Kd3 Ke1 100. Ke3 Re8+ 101. Ne4 Kd1 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.3"]
[White "Van Assendelft, Floris"]
[Black "Hess, Robert L"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2357"]
[BlackElo "2625"]
[ECO "B07"]
[Opening "Pirc"]
[Variation "Ufimtsev-Pytel variation"]
[WhiteFideId "1010271"]
[BlackFideId "2022036"]
[EventDate "2011.12.21"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. Be3 Qc7 5. f4 d5 6. e5 Ng4 7. Bd2 Nh6 8. h3 Nf5
9. Nce2 h5 10. g3 Qb6 11. Nf3 e6 12. Bc3 c5 13. Qd2 Nc6 14. Rg1 Bd7 15. O-O-O
Qa6 16. Kb1 c4 17. g4 hxg4 18. hxg4 Nh4 19. Nxh4 Rxh4 20. f5 O-O-O 21. Nf4 Be7
22. Qf2 Rdh8 23. g5 Bb4 24. g6 Bxc3 25. bxc3 Qa3 26. gxf7 Nb4 27. cxb4 Qxb4+ 28.
Kc1 c3 29. Rd3 Qb2+ 30. Kd1 Qb1+ 31. Ke2 Qxc2+ 32. Ke1 Qxf2+ 33. Kxf2 Rxf4+ 34.
Rf3 Rxf3+ 35. Kxf3 Rf8 36. fxe6 Bxe6 37. Ke3 Rxf7 38. Bd3 Rc7 39. Rg6 Bh3 40.
Rg3 c2 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.4"]
[White "Zherebukh, Yaroslav"]
[Black "Pijpers, Arthur"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2594"]
[BlackElo "2332"]
[ECO "B78"]
[Opening "Sicilian"]
[Variation "dragon, Yugoslav attack, 10.O-O-O"]
[WhiteFideId "14116804"]
[BlackFideId "1019554"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2
O-O 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Ne5 12. h4 h5 13. Kb1 Nc4 14. Bxc4 Rxc4 15.
Nde2 b5 16. Bh6 b4 17. Bxg7 Kxg7 18. Nd5 Nxd5 19. exd5 e5 20. dxe6 Bxe6 21. Nd4
Qf6 22. b3 Rc3 23. Ne2 Rc5 24. Qxb4 Rfc8 25. Rd2 Bf5 26. Rc1 Qe7 27. Ng3 Be6 28.
Ne4 Rd5 29. Rxd5 Bxd5 30. Qxd6 Qxd6 31. Nxd6 Rd8 32. Nb5 Bc6 33. Nxa7 Be8 34. c4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.5"]
[White "Ruck, Robert"]
[Black "Georgiadis, Nico"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2579"]
[BlackElo "2316"]
[ECO "B36"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, Maroczy bind"]
[WhiteFideId "705713"]
[BlackFideId "1300113"]
[EventDate "2011.12.21"]

1. c4 c5 2. Nf3 g6 3. e4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 d6 7. Nc2 Bg7 8. Be2
O-O 9. O-O Nd7 10. Bd2 a5 11. Ne3 Nc5 12. f3 Nd4 13. Kh1 f5 14. exf5 Bxf5 15.
Nxf5 Nxf5 16. f4 e6 17. Rb1 Rc8 18. Bf3 Qh4 19. Ne2 e5 20. g3 Qe7 21. Nc3 e4 22.
Bg2 Rce8 23. Nd5 Qd7 24. Ne3 Nd3 25. b3 Bd4 26. Qe2 b6 27. Nc2 Bc5 28. Bc3 d5
29. cxd5 Qxd5 30. Rbd1 Qb7 31. Rxd3 exd3 32. Qxd3 Rd8 33. Qxd8 Qxg2+ 34. Kxg2
Rxd8 35. a3 Rc8 36. Rf3 Bf8 37. Kh3 h5 38. b4 a4 39. Ne1 Be7 40. Rd3 Nd6 41. Nf3
Nc4 42. Ne5 Nxe5 43. Bxe5 Rc6 44. Rd7 Bf6 45. Bxf6 Rxf6 46. Rb7 Rd6 47. Kh4 Kf8
48. Kg5 Kg8 49. Ra7 b5 50. Rb7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.6"]
[White "Rapport, Richard"]
[Black "Tarasova, Viktoriya"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "WIM"]
[WhiteElo "2534"]
[BlackElo "2294"]
[ECO "D17"]
[Opening "QGD Slav"]
[Variation "Krause attack"]
[WhiteFideId "738590"]
[BlackFideId "4175840"]
[EventDate "2011.12.21"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8.
Qd2 Be6 9. e4 Bxc4 10. Bxc4 e5 11. dxe5 Nxe5 12. Be2 Bc5 13. O-O O-O 14. g3 Rad8
15. Qc2 Rfe8 16. Kg2 Qe7 17. f4 Ned7 18. Bf3 Nf8 19. e5 N6d7 20. a5 Ne6 21. Ne2
a6 22. Qc4 Kh8 23. Qb3 Ndf8 24. Ra4 Ba7 25. Qc2 Nd4 26. Nxd4 Bxd4 27. b3 Ba7 28.
Ba3 Qe6 29. Bd6 Bb8 30. Bxb8 Rxb8 31. Rd1 Qe7 32. Rad4 Rbd8 33. Qd2 Rxd4 34.
Qxd4 Qc7 35. b4 Kg8 36. Bg4 g6 37. Kf2 Qe7 38. Qd6 Qxd6 39. Rxd6 h5 40. Bh3 Kg7
41. Ke3 g5 42. Bf5 gxf4+ 43. gxf4 Re7 44. Ke4 Re8 45. Kd4 Re7 46. Bh3 Ne6+ 47.
Bxe6 fxe6 48. Ke4 Kf7 49. f5 exf5+ 50. Kxf5 Ke8 51. Re6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.7"]
[White "Thakur, Akash"]
[Black "Michalik, Peter"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2324"]
[BlackElo "2509"]
[ECO "B07"]
[Opening "Pirc defence"]
[WhiteFideId "5008514"]
[BlackFideId "14907526"]
[EventDate "2011.12.21"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Ke8 7. Nf3 Bd6 8.
h3 a6 9. a3 Nbd7 10. Be3 b5 11. Ba2 Bb7 12. O-O-O Ke7 13. Rhe1 h6 14. Nh4 g6 15.
g3 Kf8 16. f3 Kg7 17. Nd5 Rhd8 18. Ng2 Rac8 19. Re2 Nxd5 20. Bxd5 Bxd5 21. Rxd5
f5 22. exf5 gxf5 23. Nh4 Kf6 24. f4 Ke6 25. Rd1 e4 26. g4 fxg4 27. hxg4 Nf6 28.
f5+ Kf7 29. Rg1 Rg8 30. Ng6 h5 31. g5 Ng4 32. Rh1 Rxg6 33. fxg6+ Kxg6 34. Kd1
Bg3 35. c3 h4 36. Bd4 c5 37. Be3 c4 38. Kc2 Rd8 39. Bd4 e3 40. a4 bxa4 41. Ra1
h3 42. Rg1 Bf2 43. Rxg4 h2 44. Rh4 Bxh4 45. Rxh2 Bxg5 46. Kd1 Rb8 47. Re2 Kf5
48. Bxe3 Bxe3 49. Rxe3 Rxb2 50. Kc1 a3 51. Rh3 Rb5 52. Rh2 Ke4 53. Rh4+ Kd5 54.
Rh5+ Kc6 55. Rh6+ Kb7 56. Rh2 Kb6 57. Rg2 Ka5 58. Rf2 Ka4 59. Rh2 Kb3 60. Kb1
Re5 61. Rb2+ Kxc3 62. Rc2+ Kd3 63. Rc1 c3 64. Rd1+ Kc4 65. Rd6 Rb5+ 66. Kc1 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.8"]
[White "Naroditsky, Daniel"]
[Black "Anurag, Mhamal"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2472"]
[BlackElo "2222"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "2026961"]
[BlackFideId "5024366"]
[EventDate "2011.12.21"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. c4 dxc4 6. Na3 Nc6 7. Nxc4 e4 8. Ne1
Nf6 9. d3 O-O 10. Bg5 exd3 11. Nxd3 Re8 12. Nc5 Qe7 13. Ne4 Be6 14. Qa4 Nd4 15.
Ne3 Rad8 16. Rfe1 c6 17. Qxa7 h6 18. Nxf6+ Bxf6 19. Bxf6 Qxf6 20. Qc5 Ra8 21.
Qc3 Rxa2 22. Rxa2 Bxa2 23. Kf1 Qg7 24. Rd1 Ne6 25. Qa3 Bd5 26. Nxd5 cxd5 27.
Bxd5 b6 28. Qa4 Nc7 29. Qd7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.9"]
[White "Lyell, Mark"]
[Black "Plat, Vojtech"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2189"]
[BlackElo "2425"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed, 2...Nc6"]
[WhiteFideId "402354"]
[BlackFideId "325740"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 d6 5. d3 Nf6 6. Bg5 e6 7. f4 Qa5 8. Nf3 b5
9. Bb3 b4 10. Ne2 Nxf3+ 11. gxf3 Be7 12. O-O h6 13. Bh4 g5 14. fxg5 hxg5 15. Bf2
d5 16. a3 bxa3 17. Rxa3 Qc7 18. Bg3 Bd6 19. Qd2 c4 20. dxc4 Qb6+ 21. Bf2 Bxh2+
22. Kg2 Qc7 23. cxd5 exd5 24. Ba4+ Kf8 25. f4 Nxe4 26. Qd4 Rh5 27. Rh1 gxf4 28.
Bg1 Bg4 29. Rxh2 f3+ 30. Kh1 Qg3 31. Nf4 Qg2+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.10"]
[White "Thesing, Matthias"]
[Black "Maatman, Nick"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[WhiteElo "2409"]
[BlackElo "2029"]
[ECO "C15"]
[Opening "French"]
[Variation "Winawer, Alekhine (Maroczy) gambit"]
[WhiteFideId "4600720"]
[BlackFideId "1040391"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 Nf6 5. Bg5 dxe4 6. a3 Be7 7. Bxf6 gxf6 8.
Nxe4 b6 9. g4 Bb7 10. Bg2 Qc8 11. N2g3 Rg8 12. Qf3 Nd7 13. O-O-O c5 14. Nd6+
Bxd6 15. Qxb7 Qxb7 16. Bxb7 Rd8 17. Bc6 Ke7 18. dxc5 Nxc5 19. b4 Nd7 20. Bxd7
Rxd7 21. f3 Bf4+ 22. Kb1 Rxd1+ 23. Rxd1 Bxg3 24. hxg3 f5 25. gxf5 Rxg3 26. fxe6
Kxe6 27. Rh1 Rxf3 28. Kb2 Kd5 29. Rxh7 Kc4 30. Rh8 Kb5 31. Ra8 a6 32. Rc8 a5 33.
bxa5 Kxa5 34. Ra8+ Kb5 35. c3 Kc4 36. Rc8+ Kb5 37. Kb3 Ka6 38. a4 Kb7 39. Re8
Rf5 40. Re7+ Kc6 41. Kb4 Kd6 42. Ra7 Kc6 43. Ra8 Kb7 44. Rh8 Kc7 45. Rh6 Kb7 46.
Rh4 Kc6 47. Re4 Kd6 48. Re8 Kd7 49. Rf8 Kc7 50. c4 Kc6 51. Re8 Kd7 52. Ra8 Kc7
53. Ra7+ Kc6 54. Re7 Kd6 55. Re1 Kd7 56. Rh1 Kc7 57. Rh6 Kb7 58. Kc3 Ra5 59. Rf6
Rxa4 60. Rxf7+ Kc6 61. Rf4 Ra5 62. Kb4 Rc5 63. Rg4 Kb7 64. Rd4 Kc7 65. Rh4 Kc6
66. Rh7 Kd6 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.11"]
[White "Theulings, Paul-Peter"]
[Black "Poetsch, Hagen"]
[Result "0-1"]
[WhiteTitle "CM"]
[BlackTitle "IM"]
[WhiteElo "2128"]
[BlackElo "2408"]
[ECO "A17"]
[Opening "English"]
[Variation "Nimzo-English opening"]
[WhiteFideId "1002899"]
[BlackFideId "24615137"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3 6. Qxc3 c5 7. e3 Nc6 8. cxd5
Qxd5 9. b3 O-O 10. Bb2 b6 11. Bc4 Qd6 12. h3 Bb7 13. Nh2 e5 14. Ng4 Rad8 15.
O-O-O Rfe8 16. Nxf6+ Qxf6 17. f4 exf4 18. Qxf6 gxf6 19. Bxf6 Rd6 20. Bg5 fxe3
21. dxe3 Rg6 22. Bf4 Na5 23. Bb5 Rxg2 24. Rd3 Be4 25. Rc3 Rd8 26. Rd1 Nxb3+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.12"]
[White "Van Overdam, Julian"]
[Black "Kovchan, Alexander"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2244"]
[BlackElo "2573"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1015303"]
[BlackFideId "14103052"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. d3 Bb7 5. Qe2 Nc6 6. Nf3 e6 7. g3 Nd4 8. Nxd4
cxd4 9. Nd1 Rc8 10. c3 d5 11. Bg2 dxe4 12. Bxe4 Bxe4 13. Qxe4 Bc5 14. Kf1 Nf6
15. Qf3 dxc3 16. bxc3 O-O 17. Bb2 Qd6 18. a3 Bb6 19. Nf2 Nd5 20. Ne4 Qc6 21. Rc1
Rfd8 22. d4 f5 23. Nd2 Ba5 24. Nb1 Qc4+ 25. Kg2 Qa2 26. Qf2 Nf6 27. Rhe1 Ne4 28.
Qe2 Rc6 29. Rc2 Rdc8 30. Rec1 Qd5 31. Kg1 Bb6 32. Qd3 Nc5 33. Qe2 Nb3 34. Qd3
Nxc1 35. Rxc1 Bxd4+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.13"]
[White "Clemens, Adrian"]
[Black "Durarbeyli, Vasif"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2226"]
[BlackElo "2539"]
[ECO "A57"]
[Opening "Benko gambit"]
[WhiteFideId "1006487"]
[BlackFideId "13402935"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 bxc4 5. Nc3 g6 6. e4 d6 7. Bxc4 Bg7 8. O-O
O-O 9. h3 Ba6 10. Bxa6 Nxa6 11. Qe2 Nc7 12. Rd1 Nd7 13. Bf4 Rb8 14. Rab1 Rb4 15.
a3 Rb6 16. e5 Re8 17. exd6 exd6 18. Qd3 Qb8 19. Ne4 Bf8 20. b3 Qb7 21. Bg3 Nb5
22. Nfd2 Ra6 23. a4 Nd4 24. b4 Rxa4 25. bxc5 Qxd5 26. Bxd6 Bxd6 27. cxd6 Qf5 28.
Re1 Ne5 29. Qg3 Kg7 30. Nc5 Ra2 31. d7 Nxd7 32. Rxe8 Rxd2 33. Rbe1 Qxc5 34. Qe3
Qd6 35. Qc3 Nf6 36. R8e7 Nc6 37. R7e3 h5 38. Qa1 a5 39. Rc1 Nd4 40. Rce1 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.14"]
[White "Ypma, Peter"]
[Black "Brandenburg, Daan"]
[Result "1-0"]
[BlackTitle "GM"]
[WhiteElo "2105"]
[BlackElo "2519"]
[ECO "C01"]
[Opening "French"]
[Variation "exchange variation"]
[WhiteFideId "1027255"]
[BlackFideId "1011014"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Ne2 Nf6 6. Bf4 O-O 7. O-O Re8 8.
Bxd6 Qxd6 9. h3 Nc6 10. c3 Ne7 11. Ng3 Ng6 12. Nd2 Nf4 13. Nf3 g6 14. Ne5 Bxh3
15. gxh3 Nxh3+ 16. Kh2 Nf4 17. Qf3 Nxd3 18. Qxd3 Ne4 19. Nxe4 dxe4 20. Qg3 f5
21. f4 exf3 22. Rxf3 Rf8 23. Qf4 Rae8 24. Rg1 Rf6 25. Rg2 Re7 26. Kg1 a5 27. Qg5
Kf8 28. Re2 Rfe6 29. Rg2 Rf6 30. Re2 Rfe6 31. Rfe3 Qd5 32. Qg2 Qxa2 33. Qxb7 Kg7
34. Qg2 Qa4 35. Qf1 c5 36. d5 Rb6 37. c4 Qe8 38. Qf4 Qb8 39. Nd3 Rxe3 40. Qxb8
Rxb8 41. Rxe3 g5 42. Nxc5 Rxb2 43. d6 Rd2 44. d7 Kf7 45. Nd3 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.15"]
[White "Hoffmann, Michael1"]
[Black "De Jong, Migchiel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2499"]
[BlackElo "2367"]
[ECO "A40"]
[Opening "Queen's pawn"]
[WhiteFideId "4601297"]
[BlackFideId "1002848"]
[EventDate "2011.12.21"]

1. d4 e6 2. Nf3 c5 3. g3 b5 4. Bg2 Bb7 5. O-O Nf6 6. Na3 a6 7. c4 bxc4 8. Nxc4
d5 9. Nfe5 Nbd7 10. Qa4 cxd4 11. Bg5 h6 12. Bxf6 gxf6 13. Nxd7 Qxd7 14. Qxd7+
Kxd7 15. Nb6+ Kd8 16. Nxa8 Bxa8 17. Rac1 f5 18. Rfd1 Bg7 19. f4 Kd7 20. Rc2 Rc8
21. Rxc8 Kxc8 22. Bf3 Bc6 23. Bh5 Be8 24. Kg2 Kd8 25. b3 a5 26. h3 Bb5 27. Kf3
Ke7 28. a4 Ba6 29. g4 fxg4+ 30. hxg4 e5 31. fxe5 Bxe5 32. Rc1 d3 33. exd3 Bxd3
34. Rc5 Be4+ 35. Ke3 Bf6 36. Rxa5 Bg5+ 37. Kd4 Bf6+ 38. Kc5 d4 39. Ra7+ Ke6 40.
Bxf7+ Ke5 41. Rd7 Bg5 42. Bc4 Be3 43. Kb5 Kf4 44. a5 Kxg4 45. a6 h5 46. Bd5 Bd3+
47. Ka5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.16"]
[White "Bok, Benjamin"]
[Black "Kerigan, Demre"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2513"]
[BlackElo "2192"]
[ECO "B09"]
[Opening "Pirc"]
[Variation "Austrian attack, 6.Bd3"]
[WhiteFideId "1017063"]
[BlackFideId "6307841"]
[EventDate "2011.12.21"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Bd3 O-O 6. Nf3 Nh5 7. Be3 Bg4 8. h3
Bxf3 9. Qxf3 e5 10. fxe5 dxe5 11. d5 Qh4+ 12. Bf2 Qe7 13. O-O-O Nd7 14. Kb1 a6
15. g3 b5 16. Be2 Rfb8 17. Qg2 Nhf6 18. g4 Ne8 19. h4 Nd6 20. h5 Bf6 21. hxg6
fxg6 22. g5 Bxg5 23. Bg4 h6 24. Bxd7 Qxd7 25. Bh4 Qe7 26. Bxg5 Qxg5 27. Qh3 Nf7
28. Rhg1 Qf6 29. d6 cxd6 30. Nd5 Qg7 31. Rxg6 Qxg6 32. Ne7+ Kg7 33. Nxg6 Kxg6
34. Qe6+ Kg7 35. Rg1+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.17"]
[White "Duijker, Rick"]
[Black "Michiels, Bart"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2204"]
[BlackElo "2492"]
[ECO "B31"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (with ...g6, without ...d6)"]
[WhiteFideId "1010565"]
[BlackFideId "202967"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. d3 d6 7. h3 Nh6 8. Nc3
O-O 9. Qe2 e5 10. Nd1 f5 11. Bg5 Qc7 12. Bxh6 Bxh6 13. Ne1 Be6 14. b3 Qd7 15. f3
Bf4 16. g4 Qg7 17. Ng2 Bg3 18. Nge3 Qh6 19. Qg2 Qh4 20. Nc3 Bf4 21. Nc4 d5 22.
gxf5 Bxf5 23. exf5 Rxf5 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.18"]
[White "Vogel, Jaap"]
[Black "Firat, Burak"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2169"]
[BlackElo "2393"]
[ECO "D45"]
[Opening "QGD semi-Slav"]
[Variation "5...Nd7"]
[WhiteFideId "1000764"]
[BlackFideId "6305881"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. b3 Be7 7. Bd3 O-O 8. O-O b6
9. Bb2 Bb7 10. Qe2 c5 11. Rfd1 cxd4 12. exd4 Rc8 13. Rac1 Bb4 14. Ne5 Qe7 15. f4
g6 16. Nb5 Nxe5 17. fxe5 Nh5 18. Qg4 a6 19. Nc3 dxc4 20. bxc4 Rfd8 21. Ne4 Bxe4
22. Qxe4 Ba3 23. Rb1 Ng7 24. g4 h5 25. h3 hxg4 26. hxg4 Bxb2 27. Rxb2 Qg5 28.
Rg2 Rc7 29. Be2 Rcd7 30. Kf1 f6 31. exf6 Qxf6+ 32. Rf2 Qg5 33. Qf4 Qxf4 34. Rxf4
Rf7 35. Rf3 Rfd7 36. Rf4 g5 37. Re4 Kf7 38. Kf2 Ne8 39. Ke3 Nf6 40. Re5 Rh8 41.
Rf1 Rhd8 42. Rd1 Rh8 43. Rxg5 Rh3+ 44. Kf4 Rd8 45. Bf3 Rc8 46. c5 bxc5 47. Rxc5
Rxc5 48. dxc5 e5+ 49. Kxe5 Rxf3 50. g5 Re3+ 51. Kf4 Re4+ 52. Kf5 Rc4 53. gxf6 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.19"]
[White "Afek, Yochanan"]
[Black "Knol, Geon"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2301"]
[BlackElo "2152"]
[ECO "B13"]
[Opening "Caro-Kann"]
[Variation "exchange variation"]
[WhiteFideId "2800462"]
[BlackFideId "1012142"]
[EventDate "2011.12.21"]

1. e4 c6 2. d4 d5 3. exd5 Qxd5 4. c4 Qd8 5. Nc3 Nf6 6. h3 g6 7. Nf3 Bg7 8. Bd3
O-O 9. O-O b6 10. Re1 Re8 11. Bf4 Bb7 12. Qd2 Nbd7 13. Rad1 Nf8 14. Bc2 a6 15.
Ne5 b5 16. b3 Qa5 17. Ne4 Qxd2 18. Bxd2 N6d7 19. Ba5 Nxe5 20. dxe5 Ne6 21. Nc3
Rab8 22. Kf1 Nf4 23. g3 Ne6 24. f4 c5 25. Be4 bxc4 26. bxc4 Bxe4 27. Nxe4 Rb2
28. Rd2 Reb8 29. Bc3 Rxd2 30. Nxd2 h5 31. h4 Rd8 32. Ne4 Rb8 33. Rd1 a5 34. Ke2
a4 35. Rd7 f5 36. Nd2 Bf8 37. Ra7 Nd4+ 38. Kd3 Rd8 39. Bxd4 cxd4 40. Rxa4 e6 41.
Ra6 Kf7 42. Nf3 Be7 43. Ra7 Kf8 44. Ng5 Rb8 45. Nxe6+ Ke8 46. c5 Rb1 47. c6 Rc1
48. Ra8+ Kf7 49. c7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.20"]
[White "Pel, Bonno"]
[Black "Dehn, Marcus"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2292"]
[BlackElo "2134"]
[ECO "A00"]
[Opening "Benko's opening"]
[WhiteFideId "1004760"]
[BlackFideId "4667093"]
[EventDate "2011.12.21"]

1. g3 d5 2. Bg2 c6 3. d3 Bf5 4. f4 e6 5. Nf3 Be7 6. Nc3 h6 7. O-O Nf6 8. Qe1 Bh7
9. e4 O-O 10. Kh1 Na6 11. e5 Nd7 12. g4 Kh8 13. Nd1 f6 14. exf6 Bxf6 15. g5 Be7
16. Bd2 Bf5 17. Ne3 Bg6 18. gxh6 Rxf4 19. Qg3 Rf6 20. Ng4 Qe8 21. hxg7+ Kxg7 22.
Bc3 e5 23. Nfxe5 Bb4 24. Nxf6 Nxf6 25. Nxg6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.21"]
[White "Sparenberg, Erik"]
[Black "Meng, Roger"]
[Result "1/2-1/2"]
[WhiteElo "2162"]
[BlackElo "2283"]
[ECO "B15"]
[Opening "Caro-Kann defence"]
[WhiteFideId "1013262"]
[BlackFideId "1000152"]
[EventDate "2011.12.21"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng5 h6 6. N5f3 Bf5 7. Bd3 Bxd3 8.
Qxd3 e6 9. Ne2 Bd6 10. Bf4 Qa5+ 11. c3 Bxf4 12. Nxf4 Nbd7 13. O-O O-O 14. Rfe1
Rfd8 15. Qe2 Nd5 16. Nxd5 Qxd5 17. Ne5 Nf6 18. Ng4 Nd7 19. Ne5 Rac8 20. Qh5 Nxe5
21. Rxe5 Qc4 22. Qf3 Rd5 23. Rxd5 cxd5 24. Qd1 b5 25. Qf1 Qc6 26. a3 a5 27. Qd3
Qb6 28. Re1 b4 29. axb4 axb4 30. g3 Qa5 31. Rc1 h5 32. Qd2 Qc7 33. Qe2 g6 34.
Kg2 Kg7 35. h4 Qb6 36. Qe3 Qc6 37. Kh2 Qc4 38. Qe5+ Kg8 39. Qe3 Rc7 40. Qd2 Rc6
41. Kg2 Rc8 42. Qe3 Kg7 43. Qe5+ Kh7 44. Qe3 Qb3 45. Qd2 Qc4 46. Qe3 Qc6 47. Qf4
Kg7 48. Qe3 Rc7 49. Qe2 f6 50. Kh2 Qd6 51. Qe3 Qc6 52. Qf4 Qb6 53. Qe3 bxc3 54.
Rxc3 Rxc3 55. bxc3 Qd6 56. f4 Qb6 57. Qe2 Kf7 58. Qa2 Qc7 59. Qb3 Kg7 60. Kg2
Qa7 61. Qb4 Kf7 62. Qd6 Qb7 63. Qd8 Qb2+ 64. Kh3 Qc1 65. Qd7+ Kf8 66. Qd8+ Kf7
67. Qd7+ Kf8 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.22"]
[White "Heemskerk, Wim"]
[Black "Cako, Laszlo"]
[Result "0-1"]
[WhiteTitle "FM"]
[WhiteElo "2264"]
[BlackElo "2111"]
[ECO "A14"]
[Opening "English"]
[Variation "Neo-Catalan declined"]
[WhiteFideId "1001000"]
[BlackFideId "1008153"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. c4 c6 6. b3 b6 7. Bb2 O-O 8. d3 Ba6
9. Nbd2 Nbd7 10. Qc2 Rc8 11. Rad1 b5 12. e4 Qb6 13. e5 Ne8 14. h4 Nc7 15. Rfe1
Rfd8 16. Nf1 Rb8 17. Bd4 c5 18. Be3 h6 19. Rb1 Qa5 20. Bd2 Qb6 21. Ne3 Bb7 22.
Ng4 Bf8 23. h5 Rbc8 24. Re2 Nb8 25. Bxh6 Nc6 26. Bg5 dxc4 27. Bxd8 cxd3 28. Qxd3
Rxd8 29. Qc3 Nd5 30. Qe1 b4 31. Rc1 Nd4 32. Rd2 Nc3 33. Ngh2 Ba6 34. Bf1 Bb7 35.
Nxd4 cxd4 36. Bd3 Be7 37. f4 Qc6 38. Be4 Qxe4 39. Qxe4 Bxe4 40. Re1 Bc5 41. h6
Bb7 42. Ng4 d3+ 43. Kh2 Bf3 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.23"]
[White "Kappus, Stephan"]
[Black "Rietveld, Renze"]
[Result "0-1"]
[WhiteElo "2093"]
[BlackElo "2264"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "12906875"]
[BlackFideId "1013998"]
[EventDate "2011.12.21"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. e5 Nc6 6. Nc3 Nh6 7. Bb5 Bg7 8. Nge2
O-O 9. O-O Nf5 10. Qa4 Na5 11. Qd1 a6 12. Bd3 Nc6 13. Bc2 e6 14. g4 Nh4 15. f4
f6 16. Be3 fxe5 17. dxe5 g5 18. Qd3 Ng6 19. Bc5 Rf7 20. Qh3 gxf4 21. Nxf4 Ncxe5
22. Nh5 Qc7 23. Bd4 Nf3+ 24. Rxf3 Bxd4+ 25. Kh1 Rxf3 26. Qxf3 Qf7 27. Qd3 Bh8
28. Rf1 Qe7 29. Bb3 Bd7 30. Nxd5 Bc6 31. Rf3 Qd8 32. Qe4 Be5 33. Nhf6+ Bxf6 34.
Qxe6+ Kg7 35. g5 Be5 36. Qf7+ Kh8 37. Rh3 Qg8 38. Qf3 Rf8 39. Qe4 Qf7 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.24"]
[White "Nuri, Kambez"]
[Black "Andraschko, Felix"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2256"]
[BlackElo "2103"]
[ECO "B61"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Larsen variation, 7.Qd2"]
[WhiteFideId "1311433"]
[BlackFideId "24628174"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 Rc8 8. f4
Nxd4 9. Qxd4 Qa5 10. e5 dxe5 11. fxe5 e6 12. O-O-O Bc6 13. Nb5 Bxb5 14. exf6 Bc6
15. h4 g6 16. Bc4 Bc5 17. Qe5 Bb6 18. Qxa5 Bxa5 19. Bh6 Bxg2 20. Bb5+ Bc6 21.
Bxc6+ bxc6 22. Rh3 Rd8 23. Rhd3 Rd5 24. c4 Rxd3 25. Rxd3 Bc7 26. b4 Rg8 27. Bg7
Be5 28. Kc2 h6 29. Rd1 g5 30. hxg5 hxg5 31. Kd3 g4 32. Ke4 Bc7 33. c5 Bb8 34. b5
cxb5 35. c6 g3 36. Kf3 Be5 37. Kg2 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.25"]
[White "Hummel, Joop"]
[Black "Meurs, Tom"]
[Result "0-1"]
[WhiteElo "2030"]
[BlackElo "2247"]
[ECO "D47"]
[Opening "QGD semi-Slav"]
[Variation "Meran, Wade variation"]
[WhiteFideId "1012126"]
[BlackFideId "1021176"]
[EventDate "2011.12.21"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3
Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. Nxc5 Bxc5 13. dxc5 Nxc5 14. Bb5+ Kf8 15.
O-O h6 16. Re1 g6 17. Bd2 Kg7 18. Bf1 Qb6 19. a4 a5 20. Nd4 Rad8 21. Nb5 Ba6 22.
Nd6 Bxf1 23. Rxf1 Nd7 24. Qe2 Qd4 25. Nc4 Qa7 26. Kh1 N7b6 27. b3 Nxc4 28. bxc4
Ne7 29. Be3 Qc7 30. f4 Nf5 31. Bf2 h5 32. c5 h4 33. Qf3 Rd2 34. Rfd1 Rc2 35. Rd3
Rd8 36. Kg1 Rxf2 37. Kxf2 Qxc5+ 38. Kf1 Rxd3 39. Qxd3 Ne3+ 40. Ke2 Nd5 41. Kf3
Nc3 42. Qd8 Nd5 43. Kg4 Qd4 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.22"]
[Round "2.26"]
[White "Maris, Ivo"]
[Black "Galoyan, Levon"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2022"]
[BlackElo "2231"]
[ECO "B33"]
[Opening "Sicilian"]
[Variation "Pelikan, Chelyabinsk variation"]
[WhiteFideId "1028146"]
[BlackFideId "13302027"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3
b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c4 b4 12. Nc2 a5 13. Be2 O-O 14. O-O Bg5 15. Bg4
Be6 16. b3 Rb8 17. Nce3 Qd7 18. h3 g6 19. h4 Bxh4 20. g3 Bd8 21. f4 f5 22. exf5
gxf5 23. Bh3 Qg7 24. Kh2 Qh6 25. Qd2 Rb7 26. Rad1 Rg7 27. fxe5 f4 28. Nxf4 Rxf4
29. Rxf4 Qxh3+ 30. Kg1 Rxg3+ 31. Kf2 Bb6 32. Rg1 Rxg1 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.1"]
[White "Tiviakov, Sergei"]
[Black "Rapport, Richard"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2650"]
[BlackElo "2534"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Anderssen variation"]
[WhiteFideId "1008013"]
[BlackFideId "738590"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. Bg5 h6 8. Bh4 Be7
9. Nbd2 g5 10. Bg3 g4 11. Ng1 h5 12. Bh4 Nd7 13. Bxe7 Qxe7 14. Ne2 Nb6 15. Bxc6+
bxc6 16. c4 c5 17. Nc3 Bd7 18. Nf1 Qg5 19. Ne3 Rb8 20. Qd2 h4 21. O-O-O Na4 22.
Nxa4 Bxa4 23. Rdf1 Bd7 24. f4 gxf3 25. Rxf3 f5 26. exf5 Bc6 27. Rh3 Kd7 28. Rg1
Rbg8 29. g3 Bf3 30. Rf1 Bc6 31. gxh4 Qh6 32. Rg3 Qxh4 33. Rxg8 Rxg8 34. f6 Rf8
35. f7 Qh7 36. Ng4 Qh3 37. Qe2 Ke6 38. Kd2 Rxf7 39. Rxf7 Kxf7 40. Qf2+ Qf3 41.
Qxf3+ Bxf3 42. Ne3 Ke6 43. h4 c6 44. Nf1 Bh5 45. Ng3 Bg6 46. Ne4 Bh5 47. a3 Bg6
48. Ke3 Ke7 49. b4 cxb4 50. axb4 Ke6 51. Ng3 Bh7 52. h5 Kf6 53. Ne4+ Bxe4 54.
Kxe4 Kg5 55. h6 Kxh6 56. Kf5 Kg7 57. Ke6 c5 58. bxc5 dxc5 59. Kd5 Kf6 60. Kxc5
Ke6 61. Kb6 Kd7 62. c5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.2"]
[White "Hess, Robert L"]
[Black "Naroditsky, Daniel"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2625"]
[BlackElo "2472"]
[ECO "E94"]
[Opening "King's Indian"]
[Variation "orthodox variation"]
[WhiteFideId "2022036"]
[BlackFideId "2026961"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4
Re8 9. f3 c6 10. Be3 d5 11. cxd5 Nxd5 12. Nxd5 cxd5 13. Qb3 Nc6 14. Rad1 Nxd4
15. Bxd4 Bxd4+ 16. Rxd4 Qf6 17. Rd2 Qf4 18. Qxd5 Be6 19. Qd4 Rad8 20. Qxd8 Qe3+
21. Rf2 Rxd8 22. Rxd8+ Kg7 23. b3 a5 24. Rd3 Qc5 25. Rd2 b5 26. Bf1 a4 27. bxa4
bxa4 28. g3 h5 29. Kg2 h4 30. gxh4 Qe5 31. Kg1 Qf4 32. Rd3 Kh7 33. Ra3 Bd7 34.
Rc3 Be6 35. Bc4 Bh3 36. Bf1 Be6 37. Kg2 Qf6 38. Rd3 Qf4 39. Ra3 Kg7 40. Rd3 Kh7
41. Rc3 Qf6 42. Ra3 Qf4 43. Rxa4 Qxh4 44. Ra5 f5 45. exf5 Bxf5 46. Rxf5 gxf5 47.
f4 Qg4+ 48. Kh1 Qd1 49. Kg2 Qg4+ 50. Kh1 Qd1 51. h3 Qd4 52. Kg2 Qe4+ 53. Rf3
Qc2+ 54. Rf2 Qe4+ 55. Rf3 Qc2+ 56. Rf2 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.3"]
[White "Michalik, Peter"]
[Black "Zherebukh, Yaroslav"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2509"]
[BlackElo "2594"]
[ECO "E94"]
[Opening "King's Indian"]
[Variation "orthodox variation"]
[WhiteFideId "14907526"]
[BlackFideId "14116804"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4
Re8 9. f3 c6 10. Re1 Nh5 11. g4 Be5 12. gxh5 Qh4 13. f4 Bxd4+ 14. Qxd4 Qxe1+ 15.
Kg2 Qh4 16. Be3 Bg4 17. h6 f6 18. Bxg4 Qxg4+ 19. Kf2 Nd7 20. Qxd6 Ne5 21. fxe5
Rad8 22. Qc5 Rxe5 23. Qxa7 Rh5 24. Rh1 Rh3 25. Bd4 Qf3+ 26. Kg1 Rh4 27. h3 Qg3+
28. Kf1 Qd3+ 29. Kg2 Rxd4 30. Qxb7 Qd2+ 31. Kg1 Qe1+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.4"]
[White "Plat, Vojtech"]
[Black "Ruck, Robert"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2425"]
[BlackElo "2579"]
[ECO "B50"]
[Opening "Sicilian"]
[WhiteFideId "325740"]
[BlackFideId "705713"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bc4 Nc6 5. Qe2 g6 6. d4 cxd4 7. cxd4 Bg4 8. Bb5
Nd7 9. Be3 Bg7 10. Bxc6 bxc6 11. Nbd2 Qb6 12. b3 d5 13. e5 O-O 14. h3 Bxf3 15.
gxf3 e6 16. f4 c5 17. dxc5 Nxc5 18. O-O Rfc8 19. Rfc1 Bf8 20. a3 a5 21. Bd4 Qb7
22. Qe3 Nd7 23. f5 Rxc1+ 24. Rxc1 Bxa3 25. f6 Bf8 26. Ra1 Qc6 27. Nf3 a4 28. Rc1
Qb7 29. bxa4 Rxa4 30. Kg2 Ra3 31. Qe2 Bh6 32. Rc2 Bf8 33. Rb2 Qc6 34. Rc2 Qb7
35. Rb2 Rb3 36. Ra2 Qc7 37. Rc2 Qb7 38. Ra2 Ra3 39. Rb2 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.5"]
[White "Poetsch, Hagen"]
[Black "Romanov, Evgeny"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2408"]
[BlackElo "2627"]
[ECO "C69"]
[Opening "Ruy Lopez"]
[Variation "exchange, Gligoric variation"]
[WhiteFideId "24615137"]
[BlackFideId "4148843"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 6. d4 exd4 7. Nxd4 c5 8.
Ne2 Qxd1 9. Rxd1 Bd7 10. Be3 O-O-O 11. Nbc3 Re8 12. Rd2 Bc6 13. Rad1 b6 14. a4
Bd6 15. a5 b5 16. Rxd6 cxd6 17. Rxd6 Bb7 18. Bxc5 Nh6 19. Nd4 Re5 20. b4 Rd8 21.
f4 Ree8 22. Rb6 Rd7 23. Kf2 Red8 24. Nc6 Re8 25. Na7+ Kd8 26. Naxb5 axb5 27. a6
Bxa6 28. Rxa6 Rb7 29. Kf3 Kd7 30. Rd6+ Kc7 31. Nd5+ Kb8 32. Ra6 Nf7 33. Ne3 Kc7
34. Nf5 Rg8 35. Ne7 Re8 36. Nf5 Rg8 37. Nd4 Kd7 38. Nb3 Rgb8 39. Bd4 Ke8 40. Nc5
Re7 41. g4 h6 42. h4 Nd8 43. e5 fxe5 44. Bxe5 Rc8 45. Rg6 Nc6 46. Bc3 Kf8 47.
Ne6+ Kg8 48. Nxg7 Kh7 49. h5 Nxb4 50. Bf6 Nd5 51. Nf5 Nxf6 52. Rxh6+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.6"]
[White "Klein, David"]
[Black "Ernst, Sipke"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2378"]
[BlackElo "2593"]
[ECO "C45"]
[Opening "Scotch game"]
[WhiteFideId "1003623"]
[BlackFideId "1004689"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8.
e5 Ng8 9. f4 Ne7 10. Be2 O-O 11. O-O d6 12. exd6 Nf5 13. Bf2 cxd6 14. Qd2 h5 15.
Bf3 Qa5 16. Rab1 Rb8 17. Bxc6 Rxb2 18. Rxb2 Bxc3 19. Qc1 Nd4 20. Bf3 Nxf3+ 21.
gxf3 Ba6 22. Re1 Qf5 23. Rb3 Bxe1 24. Bxe1 Re8 25. Re3 Rxe3 26. Qxe3 Qxc2 27.
Bc3 Qb1+ 28. Qe1 Qb5 29. Kg2 Kh7 30. Kg3 Bb7 31. Qd1 Qc6 32. Qd3 Kg8 33. h3 h4+
34. Kxh4 Qc5 35. Qd4 Qh5+ 36. Kg3 Qxf3+ 37. Kh4 Qh5+ 38. Kg3 Qf3+ 39. Kh4 f6 40.
Qxf6 Qh5+ 41. Kg3 Qf3+ 42. Kh4 Qf2+ 43. Kg5 Qg3+ 44. Kh6 Qxh3+ 45. Kxg6 Be4+ 46.
Kg5 Qg3+ 47. Kh6 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.7"]
[White "Kovchan, Alexander"]
[Black "Thesing, Matthias"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2573"]
[BlackElo "2409"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[WhiteFideId "14103052"]
[BlackFideId "4600720"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. O-O Nc6 8.
Nxc6 dxc6 9. f4 e5 10. Kh1 Bd6 11. f5 h5 12. a4 a5 13. Qf3 Bc5 14. Nd1 b6 15.
Qg3 Kf8 16. Be3 Bxe3 17. Nxe3 h4 18. Qf3 Bb7 19. Ng4 Rd8 20. Rad1 c5 21. Nxf6
gxf6 22. b3 Ke7 23. c3 Qc8 24. Qe2 Qa8 25. Rde1 Bc6 26. Bc4 Rd6 27. Rf3 Rhd8 28.
Re3 Rh8 29. Kg1 Qg8 30. Rd3 Rxd3 31. Qxd3 h3 32. g3 Qa8 33. Qe2 Qg8 34. Rd1 Qa8
35. Qd3 Qb8 36. Kf2 Qc7 37. Kf3 Rg8 38. g4 Qb8 39. Kg3 Rh8 40. Kf3 Qc7 41. Qd2
Rg8 42. Qd3 Rf8 43. Rd2 Rg8 44. Kg3 Rh8 45. Bd5 Bxd5 46. Qxd5 c4 47. bxc4 Rc8
48. Kh4 Kf8 49. g5 Kg7 50. gxf6+ Kxf6 51. Kxh3 Qc5 52. Qd3 Rh8+ 53. Kg2 Rg8+ 54.
Kf3 Rh8 55. h4 Rc8 56. Qd7 Rc6 57. Qd8+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.8"]
[White "Durarbeyli, Vasif"]
[Black "Ypma, Peter"]
[Result "0-1"]
[WhiteTitle "GM"]
[WhiteElo "2539"]
[BlackElo "2105"]
[ECO "B06"]
[Opening "Robatsch defence"]
[WhiteFideId "13402935"]
[BlackFideId "1027255"]
[EventDate "2011.12.21"]

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Bxc3+ 5. bxc3 Qa5 6. Qd4 Nf6 7. Qb4 Nc6 8.
Qxa5 Nxa5 9. Bd3 O-O 10. Nf3 b6 11. e5 Nd5 12. c4 Nb4 13. Be3 Ba6 14. Nd2 bxc5
15. Bxc5 Nbc6 16. f4 Rfc8 17. Ba3 Rab8 18. O-O Nd4 19. Nb3 Ndc6 20. Nd2 Nd4 21.
Nb3 Ndc6 22. Nc5 Bxc4 23. Nxd7 Rb5 24. Rfd1 Bxd3 25. Rxd3 Nc4 26. Rad1 Ra5 27.
Bc1 Rxa2 28. Rc3 Nb4 29. Rb3 Nxc2 30. f5 Nxe5 31. Nxe5 Nd4 32. Rb1 Ne2+ 33. Kf1
Nc3 34. Bh6 Nxd1 35. Rxd1 f6 36. Nc6 Kf7 37. Nd8+ Ke8 38. Ne6 gxf5 39. Ng7+ Kf7
40. Nxf5 Rcc2 41. Ne3 Re2 42. Rd7 Kg6 43. Rxe7 Kxh6 44. Ng4+ Kg5 45. Rg7+ Kf5
46. h3 h5 47. Nh6+ Ke6 48. Ng8 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.9"]
[White "Maatman, Nick"]
[Black "Hoffmann, Michael1"]
[Result "1-0"]
[BlackTitle "GM"]
[WhiteElo "2029"]
[BlackElo "2499"]
[ECO "D34"]
[Opening "QGD"]
[Variation "Tarrasch, Bogolyubov variation"]
[WhiteFideId "1040391"]
[BlackFideId "4601297"]
[EventDate "2011.12.21"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg5 Be7 8. Bg2
c4 9. O-O O-O 10. Rc1 Be6 11. b3 Qa5 12. bxc4 dxc4 13. e4 Bb4 14. Bxf6 Bxc3 15.
Qc2 Bb4 16. d5 gxf6 17. dxe6 b5 18. exf7+ Rxf7 19. e5 Be7 20. Qe4 Qb6 21. Nh4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.10"]
[White "Rietveld, Renze"]
[Black "Bok, Benjamin"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2264"]
[BlackElo "2513"]
[ECO "C69"]
[Opening "Ruy Lopez"]
[Variation "exchange variation, 5.O-O"]
[WhiteFideId "1013998"]
[BlackFideId "1017063"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qe7 6. b3 Bg4 7. d3 O-O-O 8.
h3 Bh5 9. Ba3 Qe6 10. Bxf8 Rxf8 11. Nbd2 f6 12. Qe2 Ne7 13. Qe3 Kb8 14. b4 g5
15. Nb3 g4 16. Nc5 Qc8 17. hxg4 Bxg4 18. Nd2 Rfg8 19. Rfb1 b6 20. b5 cxb5 21. a4
b4 22. Rxb4 Nc6 23. Rb2 Ka8 24. Ncb3 Bh3 25. g3 h5 26. a5 b5 27. Qc5 Nd8 28. c4
h4 29. cxb5 hxg3 30. Qd5+ c6 31. bxc6 Be6 32. Nc4 Bxd5 33. Nb6+ Kb8 34. Nxc8
Kxc8 35. exd5 g2 36. f3 Rh1+ 37. Kf2 Rxa1 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.11"]
[White "Michiels, Bart"]
[Black "Pel, Bonno"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2492"]
[BlackElo "2292"]
[ECO "B09"]
[Opening "Pirc"]
[Variation "Austrian attack, 6.Bd3"]
[WhiteFideId "202967"]
[BlackFideId "1004760"]
[EventDate "2011.12.21"]

1. e4 d6 2. d4 g6 3. Nc3 Nf6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Na6 7. O-O c5 8. d5 Rb8
9. Bc4 Nc7 10. a4 a6 11. a5 Nd7 12. Na4 b5 13. axb6 Nxb6 14. Nxb6 Rxb6 15. f5
gxf5 16. Ra3 Rb4 17. Nd2 fxe4 18. c3 Rxc4 19. Nxc4 Nb5 20. Ra4 e6 21. Ne3 f5 22.
dxe6 Bxe6 23. Nd5 Nc7 24. Nxc7 Qxc7 25. Bf4 Qc6 26. Qxd6 Qxa4 27. Qxe6+ Rf7 28.
Be5 Bxe5 29. Qxe5 Qc4 30. Rd1 h6 31. Rd8+ Rf8 32. Qg3+ Kf7 33. Rd7+ Ke8 34. Qc7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.12"]
[White "Meurs, Tom"]
[Black "Kuipers, Stefan"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2247"]
[BlackElo "2396"]
[ECO "C05"]
[Opening "French"]
[Variation "Tarrasch, closed variation"]
[WhiteFideId "1021176"]
[BlackFideId "1018400"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 g6 8. Bc2
Bg7 9. h4 h6 10. Nb3 b6 11. Ng1 Ba6 12. a4 Qc7 13. f4 cxd4 14. Nxd4 Nxd4 15.
Qxd4 g5 16. Nf3 g4 17. Nh2 Nxe5 18. fxe5 Bxe5 19. Bf4 Bxf4 20. Qxh8+ Ke7 21. Qd4
Bg3+ 22. Kd1 Bxh2 23. Qb4+ Bd6 24. Qd4 Bc5 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.13"]
[White "Galoyan, Levon"]
[Black "Van Assendelft, Floris"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2231"]
[BlackElo "2357"]
[ECO "E46"]
[Opening "Nimzo-Indian"]
[Variation "Reshevsky variation"]
[WhiteFideId "13302027"]
[BlackFideId "1010271"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 Re8 6. a3 Bf8 7. Ng3 d5 8. Be2 c6
9. O-O Nbd7 10. e4 dxe4 11. Ngxe4 Nxe4 12. Nxe4 e5 13. dxe5 Nxe5 14. Bg5 f6 15.
Be3 Bf5 16. Nc5 b6 17. Na6 Qc8 18. Qb3 c5 19. f4 Ng4 20. Bf3 Rxe3 21. Qd1 Rd3
22. Qe2 Rxf3 23. Qxf3 Bd7 24. Nc7 Rb8 25. Rfd1 Ne3 26. Na6 Bg4 27. Qxe3 Qxa6 28.
Rdc1 Rd8 29. b3 Qc8 30. h3 Bf5 31. Rd1 Rd4 32. Kh1 Qd7 33. Qf3 Be4 34. Rxd4 Qxd4
35. Qd1 Qe3 36. Qd7 f5 37. Ra2 Qxh3+ 38. Kg1 Qe3+ 39. Rf2 h6 40. Qxa7 Bd6 41.
Qxb6 Bxf4 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.14"]
[White "Pijpers, Arthur"]
[Black "Nuri, Kambez"]
[Result "1-0"]
[BlackTitle "FM"]
[WhiteElo "2332"]
[BlackElo "2256"]
[ECO "B67"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...a6 defence, 8...Bd7"]
[WhiteFideId "1019554"]
[BlackFideId "1311433"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8.
O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nxc6 Bxc6 13. Bd3 b4 14. Ne2
Qc5 15. f5 e5 16. g4 Rg8 17. Rhg1 a5 18. c3 Rb8 19. cxb4 Qxb4 20. Qxb4 Rxb4 21.
a3 Rxe4 22. Rc1 Re3 23. Rxc6 Rxd3 24. Rc8+ Kd7 25. Ra8 Rd5 26. Rc1 Rc5 27. Rxc5
dxc5 28. Nc3 Rh8 29. Ne4 Kc6 30. Kc2 Bg7 31. Rxh8 Bxh8 32. Kd3 Kd5 33. Nc3+ Kc6
34. Kc4 Bg7 35. Ne4 Bf8 36. Nxf6 h6 37. Ne4 Be7 38. f6 Bf8 39. a4 Bd6 40. h4 Bf8
41. h5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.15"]
[White "Anurag, Mhamal"]
[Black "Thakur, Akash"]
[Result "1/2-1/2"]
[WhiteElo "2222"]
[BlackElo "2324"]
[ECO "B07"]
[Opening "Pirc defence"]
[WhiteFideId "5024366"]
[BlackFideId "5008514"]
[EventDate "2011.12.21"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 c6 7. O-O-O+ Nd7
8. f4 exf4 9. e5 h6 10. Bxf4 Ng4 11. Ne4 g5 12. Be2 gxf4 13. Bxg4 Kc7 14. Nf3
Nc5 15. Bxc8 Nxe4 16. Bf5 Nc5 17. Rhe1 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.16"]
[White "Georgiadis, Nico"]
[Black "Lyell, Mark"]
[Result "1-0"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2316"]
[BlackElo "2189"]
[ECO "B10"]
[Opening "Caro-Kann defence"]
[WhiteFideId "1300113"]
[BlackFideId "402354"]
[EventDate "2011.12.21"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne5 Nd7 5. d4 Nxe5 6. dxe5 e6 7. Bd3 Ne7 8.
Nd2 Ng6 9. Nf3 Bc5 10. Qe2 O-O 11. Bg5 Qc7 12. O-O-O f6 13. exf6 Nf4 14. Qd2
Nxd3+ 15. Qxd3 gxf6 16. Be3 Bd7 17. Bxc5 Qxc5 18. Nd4 Rac8 19. f4 Kh8 20. Rhe1
Rfe8 21. Rd2 Qd6 22. Qe3 e5 23. fxe5 Rxe5 24. Qf2 Rxe1+ 25. Qxe1 Re8 26. Qf2 Re4
27. a3 Kg7 28. g3 Bg4 29. Kb1 Qe5 30. Ka2 Kf7 31. Nb5 Be2 32. Nd4 Bg4 33. c3 a6
34. Nb3 Be2 35. Qb6 Bc4 36. Qxb7+ Kg6 37. a4 a5 38. Qb6 Re1 39. Ka3 Ra1+ 40.
Nxa1 Qe7+ 41. b4 Qe1 42. Nb3 Bxb3 43. Qf2 Qe4 44. Kxb3 Qc4+ 45. Kb2 axb4 46. Qd4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.17"]
[White "Cako, Laszlo"]
[Black "Afek, Yochanan"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2111"]
[BlackElo "2301"]
[ECO "B29"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rubinstein variation"]
[WhiteFideId "1008153"]
[BlackFideId "2800462"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 d5 5. exd5 Nxd5 6. dxc5 Nxc3 7. Qxd8+ Kxd8
8. bxc3 e5 9. Be3 f6 10. O-O-O+ Kc7 11. Nd2 Ne7 12. Bc4 Nf5 13. Ne4 Nxe3 14.
fxe3 Be7 15. Rd2 Bd7 16. Bd5 Rhd8 17. c4 Bf5 18. Nd6 Bxd6 19. cxd6+ Rxd6 20. e4
Bg4 21. h3 Bh5 22. g4 Bg6 23. Rd3 Rb8 24. Kd2 Ra6 25. a3 Ra5 26. Rb1 b6 27. Rb5
Ra4 28. Ke3 Be8 29. Rb1 Bd7 30. Rbd1 Re8 31. c5 bxc5 32. Rc3 Ra5 33. Bf7 Rb8 34.
Rd5 Rf8 35. Bh5 g6 36. Rdxc5+ Rxc5 37. Rxc5+ Kb6 38. Rd5 Bc6 39. Rd6 gxh5 40.
gxh5 Kc7 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.18"]
[White "Tarasova, Viktoriya"]
[Black "Van Overdam, Jan"]
[Result "1-0"]
[WhiteTitle "WIM"]
[WhiteElo "2294"]
[BlackElo "2069"]
[ECO "A58"]
[Opening "Benko gambit accepted"]
[WhiteFideId "4175840"]
[BlackFideId "1022741"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 d6 8. e4
Bxf1 9. Kxf1 Nbd7 10. g3 Bg7 11. Kg2 O-O 12. a4 Ne8 13. Re1 Nc7 14. Bf4 Qb8 15.
Qe2 Qb7 16. Bd2 Rfb8 17. Reb1 Qa7 18. Ra3 Rb4 19. Nb5 Nxb5 20. axb5 Qxa3 21.
bxa3 Rxb1 22. Qd3 Ra1 23. b6 Nxb6 24. Qb5 Rb8 25. Ba5 Ra2 26. e5 dxe5 27. d6
exd6 28. Qb3 Rxa3 29. Qxa3 Nc4 30. Qa4 d5 31. Bc7 Rf8 32. Qd7 e4 33. Ng5 e3 34.
Qxd5 e2 35. Qe4 h6 36. Qxe2 Rc8 37. Qxc4 Rxc7 38. Ne4 Bd4 39. Nd6 Ra7 40. Nb5
Re7 41. Nxd4 cxd4 42. Qxd4 Re6 43. g4 Re8 44. h4 Re6 45. f4 Ra6 46. f5 gxf5 47.
gxf5 Kh7 48. Kf3 Rc6 49. Kf4 Ra6 50. Qc4 Ra7 51. Ke5 Kg7 52. Qg4+ Kf8 53. Qb4+
Kg7 54. f6+ Kh7 55. Qb1+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.19"]
[White "Brandenburg, Daan"]
[Black "Theulings, Paul-Peter"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "CM"]
[WhiteElo "2519"]
[BlackElo "2128"]
[ECO "B03"]
[Opening "Alekhine's defence"]
[Variation "four pawns attack, fianchetto variation"]
[WhiteFideId "1011014"]
[BlackFideId "1002899"]
[EventDate "2011.12.21"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6 6. Nc3 Bg7 7. Be3 Be6 8. Nf3 O-O
9. Qb3 a5 10. Na4 Nxa4 11. Qxa4 c5 12. Rd1 cxd4 13. Nxd4 Bd7 14. Qb3 dxe5 15.
fxe5 Qc7 16. Be2 a4 17. Qa3 Bxe5 18. Nf3 Bg7 19. O-O Nc6 20. Kh1 Ne5 21. Nxe5
Bxe5 22. Qxe7 Be6 23. Qxc7 Bxc7 24. b3 axb3 25. axb3 Rfe8 26. Bc5 Ra2 27. Bf3 b6
28. Bd4 Ra3 29. Rb1 Rd8 30. Rfd1 Bf5 31. Rb2 Be4 32. Bxe4 Be5 33. Bd5 Bxd4 34.
Rbb1 Bf6 35. b4 Rc3 36. b5 Kg7 37. Rf1 Rd7 38. Rbd1 Be5 39. g3 f6 40. Rc1 Rxc1
41. Rxc1 Bd4 42. Kg2 Bc5 43. g4 Ra7 44. Rc2 Ra3 45. h4 Rb3 46. Re2 Re3 47. Ra2
Ra3 48. Rd2 Re3 49. Bf3 Re7 50. Rd8 Ra7 51. Bd5 g5 52. Rg8+ Kh6 53. hxg5+ fxg5
54. Rc8 Bd4 55. Kf3 Re7 56. Rc6+ Kg7 57. Be6 Kf6 58. Ke4 Bg1 59. Kd5 Kg7 60. Rc8
h6 61. Bf5 Rf7 62. Rc6 Rf6 63. Be6 Rf8 64. Rc7+ Kh8 65. Bf5 Kg8 66. Rc6 Rd8+ 67.
Ke5 Re8+ 68. Kf6 Bc5 69. Kg6 Be3 70. Kxh6 Kf8 71. Kg6 Ke7 72. Be6 Rd8 73. Kf5
Rd1 74. Bd5 Re1 75. Re6+ Kd7 76. Kg6 Kc7 77. c5 bxc5 78. b6+ Kb8 79. Re8# 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.20"]
[White "Firat, Burak"]
[Black "Sparenberg, Erik"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2393"]
[BlackElo "2162"]
[ECO "B50"]
[Opening "Sicilian"]
[WhiteFideId "6305881"]
[BlackFideId "1013262"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nbd7 5. d3 b6 6. O-O g6 7. Nbd2 Bb7 8. Re1
Bg7 9. Bf1 O-O 10. d4 cxd4 11. cxd4 Rc8 12. b3 Rc7 13. Bb2 Qa8 14. d5 Rfc8 15.
Nd4 Nh5 16. Rb1 Ne5 17. g3 a6 18. f4 Nd7 19. a4 Nhf6 20. b4 Nf8 21. b5 e6 22.
Nc6 exd5 23. exd5 Nxd5 24. Bxg7 Kxg7 25. Ne4 Bxc6 26. bxc6 Qxc6 27. Bxa6 Rd8 28.
Bb5 Qa8 29. Qd4+ f6 30. Rbd1 Ne7 31. Qxf6+ Kh6 32. Nxd6 Rxd6 33. Rxd6 Nf5 34.
Qxf5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.21"]
[White "De Jong, Migchiel"]
[Black "Vogel, Jaap"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2367"]
[BlackElo "2169"]
[ECO "C18"]
[Opening "French"]
[Variation "Winawer, advance variation"]
[WhiteFideId "1002848"]
[BlackFideId "1000764"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qb1
c4 9. h4 Nc6 10. h5 h6 11. g3 Bd7 12. Bh3 O-O-O 13. Nf3 Nge7 14. O-O g6 15. Bg4
Nf5 16. Kg2 Rdf8 17. Qc1 g5 18. Qb2 f6 19. Rab1 b6 20. Rbe1 fxe5 21. Nxe5 Nxe5
22. Rxe5 Nd6 23. f3 Rf6 24. Rfe1 Re8 25. R1e2 Qc6 26. Qc1 Nf7 27. R5e3 Qd6 28.
Qe1 Kb7 29. Bc1 Ka6 30. Rf2 Qf8 31. Ree2 Nd6 32. Bd2 Nf7 33. Qc1 Nd6 34. Rf1 Qg8
35. a4 Qf8 36. Qa1 Nf7 37. Bc1 Qd6 38. a5 b5 39. Ba3 Qc7 40. Rfe1 Nd6 41. Bb4
Nf5 42. Re5 Qc6 43. Qa3 Rf7 44. R1e2 Rf6 45. Qc1 Nd6 46. Qe1 Nc8 47. Bc5 Kb7 48.
Qa1 Ka6 49. Qa3 Rf7 50. Bb4 Rf6 51. Qc1 Nd6 52. Re1 Nf7 53. R5e2 Nd6 54. Qe3 Nf7
55. Qf2 Nd6 56. Re5 Nf7 57. R5e3 Nd6 58. Qe2 Nc8 59. Qd2 Nd6 60. R1e2 Nf5 61.
Re5 Nd6 62. Qc1 Nf7 63. R5e3 Nd6 64. Qa3 Nc8 65. Re5 Qc7 66. Rf2 Bc6 67. Rf1 Bd7
68. Re2 Bc6 69. Rfe1 Bd7 70. Re5 Qc6 71. Kf2 Qc7 72. Ke2 Qc6 73. Kd1 Qc7 74. Kc1
Qc6 75. Kb1 Qc7 76. Qc1 Nd6 77. R5e2 Qc6 78. Qe3 Nf7 79. f4 gxf4 80. gxf4 Nd6
81. Qe5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.22"]
[White "Kerigan, Demre"]
[Black "Van Overdam, Julian"]
[Result "0-1"]
[WhiteElo "2192"]
[BlackElo "2244"]
[ECO "B81"]
[Opening "Sicilian"]
[Variation "Scheveningen, Keres attack"]
[WhiteFideId "6307841"]
[BlackFideId "1015303"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 h6 7. Bg2 Nc6 8. h3 a6
9. Be3 Ne5 10. Qe2 g5 11. O-O-O Bd7 12. Nf3 Qa5 13. Kb1 Rc8 14. Bd4 Be7 15. h4
Rg8 16. hxg5 hxg5 17. Nd2 b5 18. a3 Qc7 19. f3 Rb8 20. Na2 a5 21. c3 Nc6 22. Be3
e5 23. Rc1 Be6 24. Rhd1 Qb7 25. c4 b4 26. a4 b3 27. Nc3 Qb4 28. Qd3 Nd4 29. Bxd4
exd4 30. Qxd4 Nd7 31. Qa7 Bf6 32. e5 Bxe5 33. Nde4 f5 34. gxf5 Bxf5 35. Rd4 Rb7 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.23"]
[White "Bijlsma, Nick"]
[Black "Clemens, Adrian"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2150"]
[BlackElo "2226"]
[ECO "B42"]
[Opening "Sicilian"]
[Variation "Kan, Polugaievsky variation"]
[WhiteFideId "1007041"]
[BlackFideId "1006487"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Qg4 g6 8. Qe2
d6 9. O-O Nd7 10. a4 b6 11. a5 b5 12. Be3 Ngf6 13. N1d2 d5 14. exd5 Nxd5 15. Bh6
Bf8 16. Bxf8 Kxf8 17. c4 bxc4 18. Nxc4 Qe7 19. Rfd1 Bb7 20. Ne5 Nxe5 21. Qxe5 f6
22. Qd4 e5 23. Qa4 Kg7 24. Rac1 Rac8 25. Bxa6 Rxc1 26. Nxc1 Bxa6 27. Rxd5 Rd8
28. Rxd8 Qxd8 29. h3 Qd2 30. Qc6 Qxa5 31. Kh2 Qb5 32. Qc7+ Kh6 33. Qd6 f5 34.
Qf8+ Kg5 35. Qe7+ Kh6 36. g4 fxg4 37. hxg4 Qc4 38. Qh4+ Kg7 39. Qe7+ Kh6 40.
Qh4+ Kg7 41. Qe7+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.24"]
[White "Meng, Roger"]
[Black "Heemskerk, Wim"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2283"]
[BlackElo "2264"]
[ECO "C11"]
[Opening "French"]
[Variation "Steinitz, Boleslavsky variation"]
[WhiteFideId "1000152"]
[BlackFideId "1001000"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2
O-O 9. g3 b6 10. Bg2 f6 11. Bh3 Kh8 12. Bxe6 Ndxe5 13. Nxe5 Nxe5 14. Bxd5 Qxd5
15. Nxd5 Nf3+ 16. Ke2 Nxd2 17. Kxd2 cxd4 18. Bxd4 Bd6 19. Rhe1 Bb7 20. Ne3 Rad8
21. c3 Bc5 22. Nc2 Kg8 23. Re3 Bc8 24. Rae1 Bf5 25. Kc1 Bd6 26. Na1 Rc8 27. a4
Rfd8 28. Kd2 h5 29. Nb3 h4 30. Ke2 hxg3 31. hxg3 Kf7 32. Rh1 Bc2 33. Nd2 Rh8 34.
Rxh8 Rxh8 35. a5 Rh2+ 36. Ke1 Rh1+ 37. Nf1 bxa5 38. Bxa7 Bb3 39. Re4 a4 40. Kf2
Rh8 41. Be3 f5 42. Rd4 Ke6 43. Nd2 Bc5 44. Nxb3 axb3 45. Rd2 Rh2+ 46. Kf3 Rxd2
47. Bxd2 Kd5 48. Be3 Ba3 49. Bc1 Bc5 50. Bd2 Kc4 51. Ke2 g6 52. Be3 Ba3 53. Bc1 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.25"]
[White "Andraschko, Felix"]
[Black "Duijker, Rick"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2103"]
[BlackElo "2204"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical, hedgehog system"]
[WhiteFideId "24628174"]
[BlackFideId "1010565"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O c5 6. Nc3 Be7 7. d4 cxd4 8. Qxd4
O-O 9. Bg5 h6 10. Bxf6 Bxf6 11. Qd3 Na6 12. Rad1 Rc8 13. Nb5 d5 14. cxd5 Qxd5
15. Nd6 Qxd3 16. Rxd3 Bxf3 17. Bxf3 Rc2 18. Ra3 Nb4 19. Rxa7 Be5 20. Nb5 Rxb2
21. a4 Na2 22. Rb7 Nc3 23. Nxc3 Bxc3 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.26"]
[White "Knol, Geon"]
[Black "Kappus, Stephan"]
[Result "1/2-1/2"]
[WhiteElo "2152"]
[BlackElo "2093"]
[ECO "B24"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1012142"]
[BlackFideId "12906875"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. f4 d6 6. d3 Be7 7. Nge2 O-O 8. O-O
Bd7 9. h3 Rb8 10. Be3 b5 11. Qd2 b4 12. Nd1 e5 13. f5 Nd4 14. g4 Nxe2+ 15. Qxe2
h6 16. Nf2 Nh7 17. Nh1 Bg5 18. Bf2 a5 19. Qe1 Ba4 20. b3 Bc6 21. a4 bxa3 22.
Rxa3 a4 23. bxa4 Rb2 24. Qc3 Qb8 25. Rb3 Rxb3 26. cxb3 Qb7 27. Ra1 Rb8 28. Ra3
Bd8 29. Be1 Qa7 30. Nf2 Nf6 31. Kf1 Bb7 32. Nd1 Ba6 33. Ne3 Qb7 34. Kg1 Ra8 35.
Bf1 Bc7 36. a5 Rb8 37. Nc4 d5 38. exd5 Qxd5 39. Bg2 e4 40. dxe4 Nxe4 41. Qe3 Re8
42. Ra1 Bxc4 43. bxc4 Qe5 44. Ra2 Qh2+ 45. Kf1 Bf4 46. Qf3 Ng5 47. Qc6 Rxe1+ 48.
Kxe1 Qg1+ 49. Ke2 Qe3+ 50. Kf1 Qc1+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.23"]
[Round "3.27"]
[White "Dehn, Marcus"]
[Black "Hummel, Joop"]
[Result "1-0"]
[WhiteElo "2134"]
[BlackElo "2030"]
[ECO "C00"]
[Opening "French"]
[Variation "King's Indian attack"]
[WhiteFideId "4667093"]
[BlackFideId "1012126"]
[EventDate "2011.12.21"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 Bd6 6. exd5 exd5 7. Bxd5 Nf6 8.
Bxc6+ bxc6 9. Qe2+ Be6 10. Ne4 Nxe4 11. dxe4 O-O 12. f3 Re8 13. Kf2 f5 14. exf5
Bxf5 15. Be3 c4 16. Qxc4+ Kh8 17. Re1 Qa5 18. a3 Rxe3 19. b4 Qb6 20. Rxe3 Re8
21. Qe2 h6 22. f4 a5 23. c3 Bb8 24. Nf3 Bg4 25. Qe1 axb4 26. axb4 Ba7 27. Nd4
Rxe3 28. Qxe3 Qa6 29. Qd2 Qc4 30. Re1 Qd5 31. Qe3 Bh5 32. Kg1 Qc4 33. h3 Bf7 34.
Ra1 Bb6 35. Ra8+ Kh7 36. Qe4+ g6 37. Qe5 Bg8 38. Rb8 Qa6 39. Qe7+ Kh8 40. Qe8
Qa1+ 41. Kg2 Qa2+ 42. Ne2 Qd5+ 43. Kh2 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.1"]
[White "Zherebukh, Yaroslav"]
[Black "Poetsch, Hagen"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2594"]
[BlackElo "2408"]
[ECO "C02"]
[Opening "French"]
[Variation "advance variation"]
[WhiteFideId "14116804"]
[BlackFideId "24615137"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 Nh6 7. b4 cxd4 8. Bxh6
gxh6 9. cxd4 Bd7 10. Be2 Rg8 11. O-O Rg4 12. h3 Rf4 13. g3 Rxf3 14. Bxf3 Qxd4
15. Qxd4 Nxd4 16. Bh5 a5 17. Nc3 Rc8 18. Ne2 Nc6 19. Rfc1 axb4 20. axb4 Rb8 21.
f4 Bxb4 22. Rc2 Ke7 23. Rca2 f6 24. exf6+ Kxf6 25. Ra8 Rxa8 26. Rxa8 e5 27.
fxe5+ Nxe5 28. Kh2 Bc6 29. Rh8 Kg7 30. Rc8 Bd6 31. Be8 Bxe8 32. Rxe8 Nc6 33. Re6
Bf8 34. Nf4 Kf7 35. Re3 d4 36. Rb3 Nb4 37. Kg2 Kf6 38. Kf3 Ke5 39. Rb1 b5 40.
Re1+ Kd6 41. h4 Nc6 42. Re6+ Kc5 43. Ke4 b4 44. Rf6 Be7 45. Rxh6 b3 46. Nd3+ Kb5
47. Rxh7 Kc4 48. h5 Kc3 49. h6 b2 50. Nxb2 Kxb2 51. Rxe7 Nxe7 52. h7 Ng6 53.
Kxd4 Kb3 54. Ke4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.2"]
[White "Ruck, Robert"]
[Black "Tiviakov, Sergei"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2579"]
[BlackElo "2650"]
[ECO "A15"]
[Opening "English opening"]
[WhiteFideId "705713"]
[BlackFideId "1008013"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. O-O Bg7 6. Nc3 O-O 7. d4 Ne4 8. Nxe4
Bxe4 9. Be3 d6 10. Qd2 e6 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.3"]
[White "Ypma, Peter"]
[Black "Hess, Robert L"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2105"]
[BlackElo "2625"]
[ECO "C54"]
[Opening "Giuoco Piano"]
[Variation "Moeller, bayonet attack"]
[WhiteFideId "1027255"]
[BlackFideId "2022036"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8.
O-O Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. g4 O-O 13. g5 Be5 14. Nxe5 dxe5
15. Rxe5 Ng6 16. Re4 Bf5 17. Rd4 Re8 18. h4 Be4 19. Qg4 Ne5 20. Qxe4 Nxc4 21.
Qf4 Nb6 22. d6 Re1+ 23. Kg2 cxd6 24. Rxd6 Qe8 25. b3 Qb5 26. Qd4 Qf1+ 27. Kg3
Qg1+ 28. Kf4 Qh2+ 29. Kf3 Qh3+ 30. Kf4 Qxh4+ 31. Kf3 Qh1+ 32. Kf4 Qh4+ 33. Kf3
Qh3+ 34. Kf4 h5 35. f3 Qh4+ 36. Kf5 g6+ 37. Kf6 Qxd4+ 38. Rxd4 Re6# 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.4"]
[White "Kovchan, Alexander"]
[Black "Plat, Vojtech"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2573"]
[BlackElo "2425"]
[ECO "B46"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[WhiteFideId "14103052"]
[BlackFideId "325740"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 d5 8.
O-O Bd6 9. Re1 Ne7 10. Qh5 Qc7 11. a3 e5 12. exd5 cxd5 13. f4 e4 14. Nxd5 Qc5+
15. Be3 Qxd5 16. Qxd5 Nxd5 17. Bxe4 Nxe3 18. Bxa8 Bc5 19. b4 Bb6 20. c4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.5"]
[White "Naroditsky, Daniel"]
[Black "Maatman, Nick"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[WhiteElo "2472"]
[BlackElo "2029"]
[ECO "C05"]
[Opening "French"]
[Variation "Tarrasch, closed variation"]
[WhiteFideId "2026961"]
[BlackFideId "1040391"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ngf3 g6 8. h4 h6
9. Bc2 Qb6 10. dxc5 Qxc5 11. Nb3 Qc4 12. Nbd4 Ndxe5 13. Nxe5 Nxe5 14. f4 Nd7 15.
h5 gxh5 16. Qxh5 Nf6 17. Qe5 Be7 18. f5 Rg8 19. fxe6 Bxe6 20. Bf4 Nd7 21. Qe3
Rxg2 22. Bd3 Qc5 23. O-O-O Qb6 24. Rd2 Rxd2 25. Qxd2 O-O-O 26. Rxh6 Nc5 27. Bc2
Rg8 28. Qe3 Qa6 29. b4 Ne4 30. Kb2 Rg2 31. Rh2 Rxh2 32. Bxh2 Bg5 33. Qg1 Qc4 34.
Bxe4 dxe4 35. Nxe6 fxe6 36. Be5 Qe2+ 37. Kb3 Qe3 38. Qf1 Qd3 39. Qf8+ Kd7 40.
Qg7+ Be7 41. Bf6 Qd1+ 42. Ka3 Qc1+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.6"]
[White "Van Assendelft, Floris"]
[Black "Ernst, Sipke"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2357"]
[BlackElo "2593"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Anderssen variation"]
[WhiteFideId "1010271"]
[BlackFideId "1004689"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Be7 7. O-O d6 8. c3 O-O
9. a4 Bg4 10. Nbd2 Na5 11. Bc2 b4 12. h3 Bh5 13. Re1 Rb8 14. d4 Nd7 15. Bd3 bxc3
16. bxc3 exd4 17. cxd4 Nc6 18. g4 Nb4 19. Bf1 Bg6 20. Ba3 a5 21. Rc1 h5 22. Nc4
hxg4 23. hxg4 c5 24. Bb2 Re8 25. Qd2 Nf6 26. Qf4 Nxe4 27. Rcd1 Nd5 28. Qc1 Qd7
29. Nfe5 dxe5 30. Nxe5 Qe6 31. Bg2 Bg5 32. Qc2 Nec3 33. Nxg6 Qxg6 34. Qxg6 fxg6
35. Rxe8+ Rxe8 36. Rd3 Ne2+ 37. Kf1 Ndf4 38. Re3 Rxe3 39. fxe3 Ng3+ 40. Kf2 Nd3+
41. Kxg3 Nxb2 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.7"]
[White "Rapport, Richard"]
[Black "Pijpers, Arthur"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2534"]
[BlackElo "2332"]
[ECO "A57"]
[Opening "Benko gambit"]
[WhiteFideId "738590"]
[BlackFideId "1019554"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. cxb5 a6 6. b6 Qxb6 7. Nc3 d6 8. e4 Bg7
9. Nd2 O-O 10. a4 Nbd7 11. a5 Qc7 12. Nc4 Rb8 13. Be2 Ne8 14. O-O Qd8 15. Na4
Nc7 16. Rb1 Nb5 17. Nab6 Re8 18. Bg5 h6 19. Bh4 Nxb6 20. Nxb6 Rxb6 21. axb6 Qxb6
22. Bc4 Bd7 23. Qd3 a5 24. f4 a4 25. f5 g5 26. Bf2 Nd4 27. Kh1 Rb8 28. b4 axb3
29. Bxd4 Bxd4 30. Rxb3 Qd8 31. Rfb1 Rxb3 32. Qxb3 Qa5 33. Qh3 Kh7 34. e5 Bxe5
35. f6 Bxh3 36. Bd3+ Kg8 37. Rb8+ Qd8 38. Rxd8# 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.8"]
[White "Bok, Benjamin"]
[Black "Georgiadis, Nico"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2513"]
[BlackElo "2316"]
[ECO "B27"]
[Opening "Sicilian"]
[Variation "Hungarian variation"]
[WhiteFideId "1017063"]
[BlackFideId "1300113"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 g6 3. c3 d5 4. e5 Nc6 5. d4 Bg4 6. dxc5 Bg7 7. Bf4 Bxf3 8. Qxf3
Nxe5 9. Bb5+ Nc6 10. O-O Nf6 11. Re1 O-O 12. Nd2 a6 13. Ba4 d4 14. Nb3 dxc3 15.
Rad1 Qc8 16. bxc3 Qf5 17. Bxc6 bxc6 18. Nd4 Qxc5 19. Nxc6 Kh8 20. Nxe7 Rad8 21.
Rxd8 Rxd8 22. Nc6 Rc8 23. Ne5 Qxc3 24. Nxf7+ Kg8 25. Nh6+ Bxh6 26. Qxc3 Rxc3 27.
Bxh6 Kf7 28. h3 Rc2 29. a3 Rc3 30. Re3 Rxe3 31. Bxe3 Ke6 32. Kf1 Kd5 33. Ke2 Ke4
34. f3+ Kd5 35. Kd3 Nd7 36. Bd4 Nb8 37. Ke3 Nd7 38. Kd3 Nb8 39. g4 Nc6 40. Bc3
Nd8 41. f4 Nf7 42. Bb4 Nd8 43. Ke3 Nf7 44. Be7 Ke6 45. Bf8 Kd5 46. Kd3 Nd8 47.
Be7 Ne6 48. Ke3 Nd4 49. Bb4 Nc2+ 50. Kd3 Nd4 51. Bc3 Nc6 52. Ke3 Nd8 53. f5 gxf5
54. gxf5 Nf7 55. Kf4 Nd6 56. Bb4 Nf7 57. Bd2 Kd4 58. Be3+ Kd5 59. Bb6 Kc6 60.
Ba7 Kd5 61. Bb8 Kd4 62. h4 Kd5 63. Kf3 Nh6 64. Kf4 Nf7 65. Ba7 Nd6 66. Be3 Nf7
67. h5 Nd6 68. Bg1 Nf7 69. Ba7 Nd6 70. Bb8 Nf7 71. Bc7 Kd4 72. Kf3 Nh6 73. Kf4
Nf7 74. Bb6+ Kd5 75. a4 Nd6 76. Ba7 Nf7 77. Bf2 Nd6 78. Bg3 Nf7 79. Bh2 Kd4 80.
Kf3 Nh6 81. Kf4 Nf7 82. Bg3 Kd5 83. Bf2 Nd6 84. Kg5 Ke4 85. Kh6 Kxf5 86. Kxh7
Kg5 87. h6 Nf5 88. Kg8 Nxh6+ 89. Kf8 Kf6 90. Ke8 Ke6 91. Kd8 Nf7+ 92. Kc7 Nd6
93. Kc6 Nc4 94. Bd4 Nd6 95. Kb6 Kd7 96. Bc5 Nc4+ 97. Kxa6 Nb2 98. a5 Nc4 99. Kb5
Nxa5 100. Kxa5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.9"]
[White "Klein, David"]
[Black "Michalik, Peter"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2378"]
[BlackElo "2509"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "1003623"]
[BlackFideId "14907526"]
[EventDate "2011.12.21"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Qb6 7. Nc3 Nc6 8. O-O
Qxb2 9. Qe1 c4 10. Rb1 Qxc2 11. Rxb7 Rb8 12. Rxb8+ Nxb8 13. Bd1 Qb2 14. Ba4+ Nd7
15. Nb5 Qb4 16. Qd1 c3 17. Nh4 Be4 18. Nxc3 Qxc3 19. Bxd7+ Kxd7 20. Qa4+ Qc6 21.
Qxa7+ Qc7 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.10"]
[White "Afek, Yochanan"]
[Black "Michiels, Bart"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2301"]
[BlackElo "2492"]
[ECO "B10"]
[Opening "Caro-Kann"]
[Variation "anti-anti-Caro-Kann defence"]
[WhiteFideId "2800462"]
[BlackFideId "202967"]
[EventDate "2011.12.21"]

1. c4 c6 2. e4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Nc3 Nxd5 6. Nf3 Nc6 7. Bb5 a6 8.
Bxc6+ bxc6 9. O-O e6 10. Ne5 Bd6 11. d4 Nxc3 12. bxc3 O-O 13. Bf4 Qc7 14. Bg3 c5
15. Rb1 cxd4 16. Qxd4 f6 17. Qe4 Rb8 18. Rxb8 Qxb8 19. Nc6 Qc7 20. Bxd6 Qxd6 21.
Nd4 e5 22. Nb3 Be6 23. Qa4 Rc8 24. h3 Qc6 25. Qxc6 Rxc6 26. Rc1 Kf7 27. Kf1 Bd5
28. g3 g5 29. Ke2 Bg2 30. h4 gxh4 31. gxh4 Rc4 32. f3 Rxh4 33. Kf2 Bh3 34. Rh1
Rh5 35. Nc5 a5 36. Nb7 a4 37. a3 Bg4 38. Rxh5 Bxh5 39. Nc5 Ke7 40. Nxa4 Kd6 41.
Nb2 Kc5 42. Ke3 Bg6 43. Nd1 h5 44. Nf2 Kc4 45. a4 Bc2 46. a5 Kb5 47. f4 Kxa5 48.
fxe5 fxe5 49. Nh3 Kb5 50. Ng5 Kc5 51. Nf3 Kd5 52. Nh4 Ke6 53. Ng2 Kf5 54. c4 Ba4
55. c5 Bc6 56. Nh4+ Kg5 57. Nf3+ Bxf3 58. Kxf3 Kf5 59. Kg3 Ke6 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.11"]
[White "Kuipers, Stefan"]
[Black "Tarasova, Viktoriya"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "WIM"]
[WhiteElo "2396"]
[BlackElo "2294"]
[ECO "C69"]
[Opening "Ruy Lopez"]
[Variation "exchange, Bronstein variation"]
[WhiteFideId "1018400"]
[BlackFideId "4175840"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6 6. Na3 b5 7. c3 c5 8. Qe2
Ne7 9. Rd1 Nc6 10. Nc2 c4 11. a4 Rb8 12. axb5 axb5 13. d3 cxd3 14. Rxd3 Qg6 15.
Rd5 Bd6 16. Rxb5 Rxb5 17. Qxb5 Qxe4 18. Nb4 Bxb4 19. cxb4 O-O 20. Be3 Rd8 21.
Rc1 Bd7 22. Qb7 Qxb4 23. Qxb4 Nxb4 24. Nxe5 Be6 25. h3 Nd5 26. Nc6 Ra8 27. Bc5
Nf4 28. Rd1 Re8 29. Ne7+ Kh8 30. Be3 Ng6 31. Nc6 h6 32. Rc1 Ne7 33. Nxe7 Rxe7
34. Bf4 Bb3 35. Kf1 Rd7 36. Bxc7 Rd1+ 37. Rxd1 Bxd1 38. Ke1 Bb3 39. Kd2 Kg8 40.
Bd6 f5 41. Kc3 Bd5 42. g3 Kf7 43. b4 Ke6 44. Bf8 Kf7 45. Bc5 Bg2 46. h4 Bf1 47.
Kd4 Ke6 48. Bf8 Kf7 49. Bd6 Ke6 50. Kc5 g6 51. Bf4 h5 52. Kc6 Bg2+ 53. Kc7 Bf1
54. Bg5 Be2 55. Kd8 Bb5 56. Be3 Ba6 57. Kc7 Kd5 58. Bf4 Bb5 59. Kb6 Kc4 60. Kc7
Kxb4 61. Kd6 Be2 62. Ke5 Kc4 63. Kf6 Kd3 64. Ke5 Kc4 65. Kf6 Kd3 66. Ke5 Bg4 67.
Be3 Ke2 68. Kf4 Bf3 69. Bb6 Bg4 70. Kg5 Kf3 71. Kxg6 Ke4 72. f4 Kf3 73. Bd8 Kxg3
74. Bg5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.12"]
[White "Romanov, Evgeny"]
[Black "Firat, Burak"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2627"]
[BlackElo "2393"]
[ECO "B40"]
[Opening "Sicilian defence"]
[WhiteFideId "4148843"]
[BlackFideId "6305881"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Qe2 Be7 5. Bg2 d5 6. d3 Nf6 7. O-O O-O 8. e5 Nd7
9. c4 Nb6 10. b3 Rb8 11. Nc3 Na8 12. Rd1 d4 13. Ne4 Nc7 14. h4 f5 15. exf6 gxf6
16. Nh2 Kh8 17. Re1 Bd7 18. g4 e5 19. Ng3 Bd6 20. Nf5 Bxf5 21. gxf5 Qd7 22. Be4
Rg8+ 23. Kh1 Qf7 24. Nf1 Ne7 25. a4 Ne8 26. Ng3 Bc7 27. Bd2 Nd6 28. Rg1 Rg7 29.
Bh6 Rxg3 30. fxg3 Nexf5 31. Bd2 Qg6 32. g4 Nxe4 33. Qxe4 Nxh4 34. Raf1 Qxe4+ 35.
dxe4 Kg7 36. g5 fxg5 37. Bxg5 Ng6 38. Rf5 Rf8 39. Be7 Re8 40. Bxc5 a5 41. Rf3 b6
42. Ba3 Bd8 43. Bc1 Be7 44. Rh3 Kg8 45. Rh5 Bb4 46. Rg3 Re6 47. Kg1 Be1 48. Rf3
Bb4 49. Kf1 Re8 50. Ke2 Rd8 51. Rg3 Re8 52. Bh6 Bd6 53. Rf5 Rd8 54. Kd3 Re8 55.
Rf6 Rd8 56. Rgf3 Bc5 57. Rc6 Re8 58. Rc7 Bf8 59. Bg5 Re6 60. Rc8 Kg7 61. Rh3 Be7
62. Bh6+ Kf7 63. Rf3+ Rf6 64. Rxf6+ Bxf6 65. c5 bxc5 66. Rxc5 Bd8 67. b4 axb4
68. a5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.13"]
[White "Thakur, Akash"]
[Black "Durarbeyli, Vasif"]
[Result "1/2-1/2"]
[BlackTitle "GM"]
[WhiteElo "2324"]
[BlackElo "2539"]
[ECO "B40"]
[Opening "Sicilian defence"]
[WhiteFideId "5008514"]
[BlackFideId "13402935"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. c4 a6 4. Nc3 Qc7 5. d4 cxd4 6. Nxd4 Nf6 7. Be2 Bb4 8. Qd3
Nc6 9. Nxc6 dxc6 10. O-O e5 11. Be3 Be6 12. Na4 Qe7 13. a3 Bd6 14. Rfd1 Rd8 15.
Qc2 O-O 16. Bb6 Bc7 17. Bc5 Bd6 18. Bb6 Bc7 19. Bc5 Bd6 20. Bb6 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.14"]
[White "Van Overdam, Julian"]
[Black "Brandenburg, Daan"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2244"]
[BlackElo "2519"]
[ECO "C45"]
[Opening "Scotch"]
[Variation "Mieses variation"]
[WhiteFideId "1015303"]
[BlackFideId "1011014"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8.
c4 Ba6 9. b3 g6 10. g3 Bg7 11. Bb2 O-O 12. Bg2 Rae8 13. O-O Nb6 14. Re1 f6 15.
e6 Qd6 16. c5 Bxe2 17. cxd6 Rxe6 18. dxc7 Rfe8 19. Nd2 f5 20. Bxg7 Kxg7 21. Nf3
Bxf3 22. Rxe6 Rxe6 23. Bxf3 Re8 24. a4 Rc8 25. a5 Na8 26. Rd1 Rxc7 27. b4 a6 28.
Be2 Ra7 29. g4 Kf6 30. gxf5 Kxf5 31. Rd3 Ke5 32. Re3+ Kf6 33. Rh3 Nc7 34. Rxh7
Nd5 35. Rh4 g5 36. Rg4 Nf4 37. Bf1 Rb7 38. h4 Rxb4 39. Rxg5 Rb1 40. Rg4 Kf5 41.
f3 Nd5 42. Re4 Nf6 43. Rc4 Ra1 44. Rc5+ Kf4 45. h5 Ng8 46. Kf2 Ra2+ 47. Be2 Nh6
48. Ke1 Nf5 49. Bxa6 Nd4 50. h6 Rh2 51. Bc8 Rh1+ 52. Kf2 Rh2+ 53. Ke1 Rxh6 54.
Bxd7 Nxf3+ 55. Kd1 Rd6+ 56. Kc1 Nd4 57. a6 Rxd7 58. Rc4 Ke5 59. Kb2 Kd5 60. Ra4
Nb5 61. Kb3 Kc5 62. Rh4 Kb6 63. Rh6 Rd6 64. Rh8 Kxa6 65. Kc4 Kb7 66. Kb4 Nc7 67.
Rh4 Kb6 68. Ka4 c5 69. Rh3 Rd4+ 70. Ka3 Ka5 71. Rh7 Nb5+ 72. Kb3 c4+ 73. Kc2 Kb4
74. Rb7 Rh4 75. Rb8 Rh2+ 76. Kb1 c3 77. Rb6 Kc4 78. Rb8 Nd4 79. Rg8 Rb2+ 80. Ka1
Nb3# 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.15"]
[White "Hoffmann, Michael1"]
[Black "Anurag, Mhamal"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[WhiteElo "2499"]
[BlackElo "2222"]
[ECO "D15"]
[Opening "QGD Slav"]
[Variation "Schlechter variation"]
[WhiteFideId "4601297"]
[BlackFideId "5024366"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Nc3 g6 5. cxd5 cxd5 6. Qb3 Nc6 7. Bg5 Na5 8.
Qa4+ Bd7 9. Qd1 Nc4 10. e3 Nxb2 11. Qb3 Qa5 12. Bb5 Rc8 13. Bxd7+ Nxd7 14. Qxb2
Qxc3+ 15. Qxc3 Rxc3 16. Kd2 Rc6 17. Rhb1 f6 18. Bf4 g5 19. Bg3 Nb6 20. Kd3 Kd7
21. Rb3 Kc8 22. Rab1 h5 23. h3 e6 24. Nd2 Rh7 25. Rc3 Rxc3+ 26. Kxc3 Rd7 27. Kd3
Bd6 28. Bxd6 Rxd6 29. g4 hxg4 30. hxg4 Rc6 31. Rh1 Na4 32. Rh8+ Kc7 33. Rh7+ Kb6
34. Nb3 e5 35. Rd7 Nb2+ 36. Kd2 Nc4+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.16"]
[White "Thesing, Matthias"]
[Black "De Jong, Migchiel"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2409"]
[BlackElo "2367"]
[ECO "C01"]
[Opening "French"]
[Variation "exchange variation"]
[WhiteFideId "4600720"]
[BlackFideId "1002848"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. O-O c4 7. Re1+ Be7 8. Bf1
O-O 9. Ne5 Nc6 10. Bg5 h6 11. Bh4 Bf5 12. c3 g5 13. Bg3 Ne4 14. Nd2 Nxg3 15.
hxg3 Nxe5 16. Rxe5 Qd7 17. Qf3 Be6 18. Rae1 Rae8 19. Nxc4 dxc4 20. d5 Bc5 21.
Qf6 Bxd5 22. Rxg5+ hxg5 23. Qxg5+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.17"]
[White "Pel, Bonno"]
[Black "Bijlsma, Nick"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2292"]
[BlackElo "2150"]
[ECO "A00"]
[Opening "Benko's opening"]
[WhiteFideId "1004760"]
[BlackFideId "1007041"]
[EventDate "2011.12.21"]

1. g3 g6 2. Bg2 Bg7 3. f4 c5 4. Nf3 Nc6 5. O-O d6 6. e4 f5 7. exf5 Bxf5 8. Nh4
Nf6 9. Nxf5 gxf5 10. c3 Qd7 11. d3 h5 12. Nd2 h4 13. gxh4 Ng4 14. Nf3 O-O-O 15.
Bd2 e5 16. Qa4 Rde8 17. Rae1 d5 18. fxe5 Ngxe5 19. Nxe5 Bxe5 20. Bh3 Kb8 21.
Bxf5 Qd6 22. Bf4 d4 23. Bxe5 Nxe5 24. Kh1 Ref8 25. Be4 Ng4 26. Rxf8+ Rxf8 27.
Re2 Qf4 28. Qd1 Nf2+ 29. Rxf2 Qxf2 30. h5 Qh4 31. cxd4 Rf2 32. Qg1 Qf6 33. Qg8+
Kc7 34. Qh7+ Kd6 35. dxc5+ Kxc5 36. Qc7+ Kd4 37. Qc3+ Ke3 38. Qxf6 Rxf6 39. Kg2
Kf4 40. b3 Kg5 41. Bxb7 Kxh5 42. Bd5 Kh4 43. Bc4 Kg4 44. b4 Kf4 45. a4 Rg6+ 46.
Kh1 Kf3 47. h3 Kf2 48. a5 Rg1+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.18"]
[White "Lyell, Mark"]
[Black "Meng, Roger"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2189"]
[BlackElo "2283"]
[ECO "C10"]
[Opening "French"]
[Variation "Paulsen variation"]
[WhiteFideId "402354"]
[BlackFideId "1000152"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. e5 Nge7 5. Nce2 Nf5 6. c3 Na5 7. Ng3 Be7 8. Nf3
b6 9. Nxf5 exf5 10. Bd3 Be6 11. Qc2 Qd7 12. Bg5 Nc6 13. Bb5 a6 14. Qa4 axb5 15.
Qxa8+ Nd8 16. Bxe7 Qxe7 17. a4 b4 18. a5 bxc3 19. bxc3 bxa5 20. O-O g5 21. Rfb1
g4 22. Ne1 f4 23. Rb8 g3 24. Nf3 Bg4 25. Qc6+ Bd7 26. Qxc7 gxh2+ 27. Kxh2 Rg8
28. Qxa5 Rg6 29. Qb4 Qe6 30. Raa8 Rxg2+ 31. Kxg2 Qg6+ 32. Kf1 Bh3+ 33. Ke1 Qe4+
34. Kd2 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.19"]
[White "Theulings, Paul-Peter"]
[Black "Rietveld, Renze"]
[Result "1/2-1/2"]
[WhiteTitle "CM"]
[WhiteElo "2128"]
[BlackElo "2264"]
[ECO "D43"]
[Opening "QGD semi-Slav"]
[WhiteFideId "1002899"]
[BlackFideId "1013998"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. d4 e6 5. Bg5 h6 6. Bh4 g5 7. Bg3 dxc4 8. e4 b5
9. Be2 Bb7 10. O-O Nbd7 11. d5 cxd5 12. exd5 Nxd5 13. Nxb5 Qb6 14. Bxc4 Rc8 15.
Qe2 Nf4 16. Bxf4 gxf4 17. Nbd4 Rg8 18. Rad1 Rg6 19. Bb5 Rd8 20. Rfe1 Bb4 21. Qe5
Bxe1 22. Rxe1 Kf8 23. Qh8+ Rg8 24. Qxh6+ Rg7 25. Qh8+ Rg8 26. Qh6+ Rg7 27. Qh8+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.20"]
[White "Nuri, Kambez"]
[Black "Dehn, Marcus"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2256"]
[BlackElo "2134"]
[ECO "B15"]
[Opening "Caro-Kann"]
[Variation "Gurgenidze system"]
[WhiteFideId "1311433"]
[BlackFideId "4667093"]
[EventDate "2011.12.21"]

1. e4 g6 2. d4 c6 3. Nc3 d5 4. h3 dxe4 5. Nxe4 Bf5 6. Ng3 Be6 7. Nf3 Bg7 8. Be2
c5 9. c3 cxd4 10. Nxd4 Bxd4 11. cxd4 Nc6 12. Be3 Bd5 13. O-O h5 14. Bd3 e6 15.
a3 Nh6 16. Re1 Kf8 17. Be4 Nf5 18. Bxf5 exf5 19. Qd2 Kg7 20. b4 Qd7 21. Rac1 Nd8
22. Ne2 Ne6 23. Nf4 Nxf4 24. Bxf4 Rac8 25. Rc5 Rhe8 26. Rxe8 Rxe8 27. Be5+ Kh7
28. Qg5 Qd8 29. h4 Be6 30. Rc7 Qd5 31. Qf6 Rg8 32. Re7 a6 33. Re8 Qxe5 34. Qxe5
Rxe8 35. d5 Bd7 36. Qc7 Re1+ 37. Kh2 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.21"]
[White "Maris, Ivo"]
[Black "Meurs, Tom"]
[Result "0-1"]
[WhiteElo "2022"]
[BlackElo "2247"]
[ECO "C29"]
[Opening "Vienna gambit"]
[Variation "Bardeleben variation"]
[WhiteFideId "1028146"]
[BlackFideId "1021176"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 6. d3 Nxc3 7. bxc3 d4 8. Ne2
Nc6 9. Qg3 dxc3 10. a3 Qd5 11. Bf4 Be6 12. Kd1 Qa5 13. Qe1 Bb4 14. Bc1 O-O-O 15.
Nf4 Bb3 16. axb4 Bxc2+ 17. Kxc2 Nd4+ 18. Kxc3 Qxa1+ 19. Kd2 Qa2+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.22"]
[White "Van Overdam, Jan"]
[Black "Galoyan, Levon"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2069"]
[BlackElo "2231"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed, 2...Nc6"]
[WhiteFideId "1022741"]
[BlackFideId "13302027"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 Nf6 6. O-O a6 7. a4 d5 8. exd5
exd5 9. Ba2 Nxe2+ 10. Qxe2+ Be7 11. d3 h6 12. Re1 Be6 13. f4 g6 14. h3 Qd6 15.
Qe5 O-O-O 16. a5 Qc7 17. Qxc7+ Kxc7 18. f5 gxf5 19. Ne2 Nh5 20. d4 Bd6 21. c3 c4
22. Rf1 Nf6 23. Nf4 Ne4 24. Nh5 Rdg8 25. Bb1 Ng3 26. Nxg3 Rxg3 27. Bf4 Bxf4 28.
Rxf4 Rhg8 29. Rf2 f4 30. Kf1 Rxg2 31. Rxg2 Bxh3 32. Bf5 Bxg2+ 33. Kf2 Be4 34.
Bxe4 dxe4 35. Rh1 f3 36. Ke3 f5 37. d5 Rg2 38. Kd4 f2 39. Rf1 Kd6 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.23"]
[White "Clemens, Adrian"]
[Black "Cako, Laszlo"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2226"]
[BlackElo "2111"]
[ECO "E15"]
[Opening "Queen's Indian"]
[Variation "Nimzovich variation (exaggerated fianchetto)"]
[WhiteFideId "1006487"]
[BlackFideId "1008153"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Bb7 6. Bg2 c5 7. dxc5 bxc5 8. O-O
Be7 9. Nc3 O-O 10. Rd1 d6 11. Bf4 Qb6 12. Rab1 Ne4 13. Qc2 f5 14. Ne1 Nc6 15.
Nxe4 Nb4 16. Qb3 fxe4 17. a3 g5 18. Bxd6 Bxd6 19. axb4 cxb4 20. e3 a5 21. Qc2 b3
22. Qe2 Qc5 23. Qg4 Qe5 24. Nd3 exd3 25. Bxb7 Ra7 26. Qe4 Qf6 27. Rd2 Bb4 28.
Rxd3 Qxf2+ 29. Kh1 Rf7 30. Rd8+ Bf8 31. Bc8 Rae7 32. Bxe6 Rxe6 33. Qxe6 Qf3+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.24"]
[White "Heemskerk, Wim"]
[Black "Andraschko, Felix"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2264"]
[BlackElo "2103"]
[ECO "A37"]
[Opening "English"]
[Variation "symmetrical, Botvinnik system reversed"]
[WhiteFideId "1001000"]
[BlackFideId "24628174"]
[EventDate "2011.12.21"]

1. Nf3 c5 2. c4 Nc6 3. g3 e5 4. Nc3 g6 5. Bg2 Bg7 6. O-O d6 7. a3 Nge7 8. b4 O-O
9. Rb1 Rb8 10. d3 b6 11. Bg5 f6 12. Bd2 Be6 13. Qa4 Qd7 14. Rfc1 h6 15. Ne1 f5
16. Nd5 Rbd8 17. Nc2 Bxd5 18. cxd5 Nb8 19. Qxd7 Rxd7 20. e4 Rc8 21. Ne3 Kf7 22.
Bh3 Kf6 23. f4 Na6 24. Nc4 cxb4 25. axb4 b5 26. Nxd6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.25"]
[White "Duijker, Rick"]
[Black "Knol, Geon"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2204"]
[BlackElo "2152"]
[ECO "A16"]
[Opening "English"]
[Variation "Anglo-Gruenfeld defense"]
[WhiteFideId "1010565"]
[BlackFideId "1012142"]
[EventDate "2011.12.21"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 Nxc3 5. bxc3 e5 6. Bg2 Bc5 7. Nf3 Nc6 8.
d3 O-O 9. O-O h6 10. Rb1 Bb6 11. Ba3 Re8 12. Nd2 Be6 13. c4 Qc8 14. Re1 Ba5 15.
Rb5 a6 16. Rb2 Rb8 17. Qa4 Bxd2 18. Rxd2 Bd7 19. Qd1 Nd4 20. e3 Ne6 21. Bb2 Ng5
22. h4 Nh7 23. Qa1 f6 24. d4 e4 25. Qb1 Bf5 26. d5 Bg6 27. Kh2 b6 28. Rd4 Qf5
29. Qc2 Qh5 30. Qe2 Qxe2 31. Rxe2 Nf8 32. Bh3 Rbd8 33. Rdd2 Bh5 34. Re1 Nd7 35.
Bd4 Ne5 36. Bxe5 Rxe5 37. g4 Be8 38. Rd4 b5 39. Red1 Kf8 40. Kg3 h5 41. Bg2 bxc4
42. Rxc4 g5 43. Rxe4 gxh4+ 44. Kxh4 Rg5 45. Bf3 Rd7 46. Rf4 Kg7 47. gxh5 Rd6 48.
Rg4 Kh6 49. Rxg5 fxg5+ 50. Kg3 Bf7 51. e4 Rf6 52. Rc1 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.26"]
[White "Sparenberg, Erik"]
[Black "Kerigan, Demre"]
[Result "0-1"]
[WhiteElo "2162"]
[BlackElo "2192"]
[ECO "B08"]
[Opening "Pirc"]
[Variation "classical system, 5.Be2"]
[WhiteFideId "1013262"]
[BlackFideId "6307841"]
[EventDate "2011.12.21"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Bg4 7. Be3 Nc6 8. h3
Bxf3 9. Bxf3 Nd7 10. Be2 e5 11. d5 Nd4 12. Bd3 c6 13. Qd2 f5 14. f3 Nf6 15. Rad1
Nh5 16. a4 Ng3 17. Rfe1 f4 18. Bf2 Qh4 19. Bf1 h5 20. Ne2 c5 21. Nc1 Bh6 22. c3
Qxh3 23. Bxd4 Qh1+ 24. Kf2 Qh4 25. Kg1 Qh1+ 26. Kf2 Qh4 27. Kg1 Bg5 28. Bc4 cxd4
29. cxd4 Qh1+ 30. Kf2 Qh2 31. Rg1 Qh4 32. Qe1 exd4 33. e5 Rae8 34. e6 Rf5 35.
Nd3 Qh2 36. Rh1 Nxh1+ 37. Qxh1 Qxh1 38. Rxh1 Re7 39. b3 Rh7 40. Rd1 Bd8 41. Kf1
Bh4 42. Rd2 Rc7 43. Re2 Bf6 44. Nf2 Kf8 45. Ne4 Ke7 46. Nxf6 Kxf6 47. Rd2 Re5
48. Rxd4 g5 49. Kf2 Rc5 50. b4 Rc7 51. a5 Re3 52. g3 Ke5 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.24"]
[Round "4.27"]
[White "Kappus, Stephan"]
[Black "Vogel, Jaap"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2093"]
[BlackElo "2169"]
[ECO "C06"]
[Opening "French"]
[Variation "Tarrasch, closed variation, main line"]
[WhiteFideId "12906875"]
[BlackFideId "1000764"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4
f6 9. exf6 Nxf6 10. Nf3 Bd6 11. O-O Qc7 12. h3 O-O 13. Nc3 a6 14. Re1 Bd7 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.1"]
[White "Tiviakov, Sergei"]
[Black "Zherebukh, Yaroslav"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2650"]
[BlackElo "2594"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[WhiteFideId "1008013"]
[BlackFideId "14116804"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 e6 3. Nge2 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Nf6 7. O-O d6 8. a4
Nbd7 9. a5 Nc5 10. Bd2 Be7 11. b4 Nxd3 12. cxd3 e5 13. Nde2 O-O 14. Na4 Qd8 15.
Nb6 Rb8 16. Nc3 Be6 17. f4 exf4 18. Bxf4 Nd7 19. Nbd5 Ne5 20. d4 Ng6 21. Bg3 f5
22. Qd3 Bxd5 23. Nxd5 fxe4 24. Qxe4 Qd7 25. h4 Bxh4 26. Bxh4 Rxf1+ 27. Rxf1 Re8
28. Ne7+ Nxe7 29. Re1 d5 30. Qe5 Kf8 31. Rf1+ Kg8 32. Re1 Kf8 33. Rf1+ Kg8 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.2"]
[White "Hess, Robert L"]
[Black "Kovchan, Alexander"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2625"]
[BlackElo "2573"]
[ECO "D87"]
[Opening "Gruenfeld"]
[Variation "exchange, Spassky variation"]
[WhiteFideId "2022036"]
[BlackFideId "14103052"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8.
Ne2 O-O 9. O-O Nc6 10. Be3 Na5 11. Bd3 b6 12. Rc1 e5 13. dxc5 Be6 14. c4 bxc5
15. Bxc5 Bh6 16. Rc2 Re8 17. Nc3 Rc8 18. Bb4 Nxc4 19. Nd5 Bxd5 20. exd5 Qb6 21.
a3 Nd6 22. Rxc8 Rxc8 23. Qg4 f5 24. Qh3 Nf7 25. g4 e4 26. Bxe4 a5 27. gxf5 Re8
28. fxg6 hxg6 29. Bxa5 Qxa5 30. Bxg6 Qxd5 31. Qg2 Qxg2+ 32. Kxg2 Ra8 33. Bxf7+
Kxf7 34. Rb1 Rxa3 35. Rb7+ Kg6 36. Rb6+ Kh7 37. Rf6 Bg5 38. Rf3 Ra4 39. h3 Kg6
40. Kg3 Rb4 41. Ra3 Bf4+ 42. Kf3 Be5 43. Kg2 Kf5 44. Ra8 Rb7 45. Rg8 Bf6 46. Rg3
Bg5 47. Ra3 Bf4 48. Ra8 Rg7+ 49. Kf3 Be5 50. Rf8+ Ke6 51. Re8+ Kd5 52. Rf8 Rg6
53. Rf5 Rg8 54. Rh5 Rf8+ 55. Ke2 Ke4 56. Rh4+ Bf4 57. Rh7 Ra8 58. Re7+ Be5 59.
Kf1 Rf8 60. Kg2 Rf5 61. Re8 Rf7 62. Kf1 Rg7 63. Rf8 Rg5 64. Rf7 Rg8 65. Re7 Rf8
66. Kg2 Rf5 67. Ra7 Bd4 68. Ra2 Rg5+ 69. Kf1 Rg8 70. Ra3 Bc5 71. Rc3 Rg5 72.
Rc4+ Bd4 73. Ra4 Rf5 74. Ra2 Bc5 75. Rd2 Rf8 76. Kg2 Ra8 77. Kf1 Bd4 78. Kg2
Rg8+ 79. Kf1 Be5 80. Re2+ Kf5 81. Re3 Bh2 82. Rf3+ Ke4 83. Re3+ Kf4 84. Ke2 Rg1
85. Rf3+ Ke4 86. Re3+ Kf5 87. Kf3 Bd6 88. Rd3 Be5 89. Ke2 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.3"]
[White "Ernst, Sipke"]
[Black "Naroditsky, Daniel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2593"]
[BlackElo "2472"]
[ECO "E94"]
[Opening "King's Indian"]
[Variation "orthodox variation"]
[WhiteFideId "1004689"]
[BlackFideId "2026961"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Na6 8. Be3
Ng4 9. Bg5 Qe8 10. h3 h6 11. Bh4 exd4 12. Nxd4 Nf6 13. Bf3 Nh7 14. g4 Ng5 15.
Bg2 Nc5 16. f4 Ngxe4 17. Nd5 g5 18. Be1 gxf4 19. Rb1 Ng5 20. Rxf4 c6 21. Nf6+
Bxf6 22. Rxf6 Qe3+ 23. Bf2 Qd3 24. Rxh6 Qxd1+ 25. Rxd1 Kg7 26. Rh5 f6 27. Be3
Rh8 28. Rxh8 Kxh8 29. Nf3 Nf7 30. Bd4 Kg7 31. g5 Nd7 32. Rf1 Nde5 33. gxf6+ Kg6
34. Kh2 Be6 35. b3 Rh8 36. Nxe5+ Nxe5 37. c5 Ng4+ 38. Kg3 dxc5 39. Bxc5 Ne5 40.
Bxa7 Kf7 41. Bd4 Nd7 42. Rf4 Rh6 43. h4 Rg6+ 44. Kf2 c5 45. Bb2 b6 46. Be4 Rh6
47. Bd3 Nf8 48. Kg3 Rh8 49. Ra4 Nd7 50. Ra7 Rg8+ 51. Kf2 Rh8 52. Bc4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.4"]
[White "Michiels, Bart"]
[Black "Ruck, Robert"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2492"]
[BlackElo "2579"]
[ECO "B92"]
[Opening "Sicilian"]
[Variation "Najdorf, Opovcensky variation"]
[WhiteFideId "202967"]
[BlackFideId "705713"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O
O-O 9. a4 Nc6 10. Bg5 Be6 11. Bxf6 Bxf6 12. Nd5 Bg5 13. a5 Rc8 14. c3 Ne7 15.
Nb6 Rc7 16. Bg4 f5 17. exf5 Nxf5 18. Nd2 Rcf7 19. Ndc4 Rf6 20. Qe2 Rg6 21. Rad1
Bf4 22. Ne3 Qg5 23. Bxf5 Bxf5 24. Nbd5 Bh3 25. f3 Qh4 26. Qe1 Qd8 27. Kh1 Be6
28. c4 Bg5 29. b4 Rh6 30. Ng4 Bxg4 31. fxg4 Rxf1+ 32. Qxf1 Bf4 33. Nxf4 Rf6 34.
Qd3 Rxf4 35. Qd5+ Kh8 36. h3 h6 37. c5 Qf8 38. cxd6 Rf1+ 39. Rxf1 Qxf1+ 40. Kh2
Qf4+ 41. Kg1 Qc1+ 42. Kh2 Qf4+ 43. Kg1 Qc1+ 44. Kf2 Qc2+ 45. Ke1 Qc1+ 46. Ke2
Qc2+ 47. Qd2 Qc4+ 48. Ke1 Qc8 49. d7 Qd8 50. Qd5 Kh7 51. Ke2 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.5"]
[White "Poetsch, Hagen"]
[Black "Rapport, Richard"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2408"]
[BlackElo "2534"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "24615137"]
[BlackFideId "738590"]
[EventDate "2011.12.21"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O h6 7. Nbd2 Ne7 8. Nb3
Bh7 9. a4 Rc8 10. a5 a6 11. c4 dxc4 12. Nbd2 Nd5 13. Nxc4 Be7 14. Qb3 Rb8 15.
Bd2 Bg6 16. Ne3 Be4 17. Nd1 O-O 18. Re1 Bg6 19. Ne3 Nf4 20. Bf1 Re8 21. Bb4 c5
22. dxc5 Nxc5 23. Bxc5 Bxc5 24. Qc4 Bxe3 25. Rxe3 Nd5 26. Rb3 Rc8 27. Qd4 Re7
28. Nd2 Rd7 29. Nc4 Nb4 30. Qb6 Nc2 31. Rc1 Qg5 32. Rb1 Rc6 33. Qa7 Nd4 34. Rg3
Qd8 35. Rxg6 b5 36. Qxd7 Qxd7 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.6"]
[White "Maatman, Nick"]
[Black "Bok, Benjamin"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2029"]
[BlackElo "2513"]
[ECO "A50"]
[Opening "Queen's Indian accelerated"]
[WhiteFideId "1040391"]
[BlackFideId "1017063"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. g3 c5 5. d5 b5 6. Bg2 bxc4 7. Ne5 d6 8. Nxc4
Nbd7 9. Nc3 g6 10. O-O Bg7 11. a4 O-O 12. a5 Ba6 13. Qa4 Rb8 14. Ne3 c4 15. Qd1
Nc5 16. Nc2 Nfd7 17. Ra2 Nb3 18. Be3 Qc7 19. Nd4 Ne5 20. h3 Rb7 21. f4 Nd3 22.
exd3 Nxd4 23. dxc4 Nf5 24. Bf2 Bxc4 25. Qa4 Bxa2 26. Qxa2 Rfb8 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.7"]
[White "Georgiadis, Nico"]
[Black "Romanov, Evgeny"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2316"]
[BlackElo "2627"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1300113"]
[BlackFideId "4148843"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 a6 3. Nge2 e6 4. g3 b5 5. Bg2 Bb7 6. a3 Nf6 7. O-O b4 8. axb4
cxb4 9. e5 Bxg2 10. Kxg2 Ng4 11. Ne4 Nxe5 12. d4 d5 13. dxe5 dxe4 14. Qxd8+ Kxd8
15. Rd1+ Kc7 16. Rd4 Nc6 17. Rxe4 Bc5 18. Nf4 Rhd8 19. Nd3 Bd4 20. Be3 Bxe3 21.
Rxe3 a5 22. b3 Rd5 23. c4 Rdd8 24. Nc5 Nd4 25. Ra2 Nf5 26. Rd3 Rxd3 27. Nxd3 Rd8
28. Rd2 g5 29. h3 h5 30. f4 gxf4 31. gxf4 a4 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.8"]
[White "Brandenburg, Daan"]
[Black "Kuipers, Stefan"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2519"]
[BlackElo "2396"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Euwe variation"]
[WhiteFideId "1011014"]
[BlackFideId "1018400"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 f6 7. O-O fxe5 8. dxe5
Qc7 9. Re1 O-O-O 10. Bf4 Nh6 11. c4 d4 12. Nbd2 Be7 13. Ne4 Nf7 14. Bf1 Rdf8 15.
Qd2 h6 16. h4 g5 17. hxg5 hxg5 18. Bg3 g4 19. Nh2 Nh6 20. Bf4 Rxf4 21. Qxf4 Nxe5
22. g3 Nf3+ 23. Nxf3 Qxf4 24. gxf4 gxf3 25. Ng5 Rg8 26. Bh3 Bxg5 27. fxg5 Rxg5+
28. Kh2 e5 29. Bxd7+ Kxd7 30. Rg1 Rf5 31. Rg7+ Nf7 32. Re1 Ke6 33. Rg6+ Ke7 34.
Kg3 Nd6 35. b3 d3 36. Rh6 d2 37. Rd1 Ne4+ 38. Kh2 Rg5 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.9"]
[White "Michalik, Peter"]
[Black "Ypma, Peter"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2509"]
[BlackElo "2105"]
[ECO "A04"]
[Opening "Reti opening"]
[WhiteFideId "14907526"]
[BlackFideId "1027255"]
[EventDate "2011.12.21"]

1. Nf3 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 c6 7. Bb2 d6 8. d4 Bd7
9. Nc3 Be8 10. Ng5 Qc8 11. e4 h6 12. Nh3 fxe4 13. Nxe4 Nxe4 14. Bxe4 e5 15. Kg2
Bd7 16. Ng1 Bf5 17. Qc2 exd4 18. Bxd4 Na6 19. Rfe1 Bxe4+ 20. Qxe4 Bf6 21. Rad1
Nc7 22. Ne2 d5 23. Qe3 dxc4 24. bxc4 Qe6 25. Qxe6+ Nxe6 26. Bxf6 Rxf6 27. Nc3
Nc5 28. Re5 b6 29. a4 Raf8 30. f4 Kf7 31. Kf3 Re8 32. Rxc5 bxc5 33. Ne4 Rxe4 34.
Kxe4 Re6+ 35. Kf3 Re7 36. Rd6 Rc7 37. Ke4 a5 38. h4 Rb7 39. Rxc6 Rb4 40. Rxc5
Rxa4 41. Rc7+ Kf6 42. Rc6+ Kf7 43. Kf5 h5 44. Rc7+ Kf8 45. Ke6 Kg8 46. Rc8+ Kh7
47. c5 Ra3 48. Ra8 a4 49. c6 Rc3 50. Kd7 Rd3+ 51. Ke7 Rc3 52. Kd7 Rd3+ 53. Kc8
a3 54. c7 Kg6 55. Kb7 Rb3+ 56. Kc6 Rc3+ 57. Kd6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.10"]
[White "Plat, Vojtech"]
[Black "Klein, David"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2425"]
[BlackElo "2378"]
[ECO "A14"]
[Opening "English"]
[Variation "Neo-Catalan declined"]
[WhiteFideId "325740"]
[BlackFideId "1003623"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Ne5 Nc6 8. Nxc6
bxc6 9. Nc3 Rb8 10. e4 Nd7 11. Qe2 c5 12. Rd1 cxd4 13. Rxd4 Bc5 14. Rd1 Qf6 15.
Bf4 Ne5 16. Bxe5 Qxe5 17. Kh1 Bb6 18. f4 Qc5 19. e5 Qf2 20. Qxc4 Qxb2 21. Na4
Qf2 22. Rf1 Qd4 23. Nxb6 Qxb6 24. Rfc1 Bb7 25. Bxb7 Rxb7 26. Qe4 Rbb8 27. Rc2 c5
28. Rac1 Rbc8 29. Qe3 f6 30. Rxc5 Qb7+ 31. Kg1 Rxc5 32. Qxc5 Rd8 33. Qf2 Rd5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.11"]
[White "Tarasova, Viktoriya"]
[Black "Hoffmann, Michael1"]
[Result "0-1"]
[WhiteTitle "WIM"]
[BlackTitle "GM"]
[WhiteElo "2294"]
[BlackElo "2499"]
[ECO "D80"]
[Opening "Gruenfeld defence"]
[WhiteFideId "4175840"]
[BlackFideId "4601297"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. cxd5 Nxd5 6. Nxd5 Qxd5 7. Ne2 O-O 8.
Nc3 Qd8 9. Be2 c5 10. d5 e6 11. e4 exd5 12. exd5 b6 13. O-O Bb7 14. Bf3 Nd7 15.
d6 Bxf3 16. Qxf3 Qf6 17. Qd5 Rfe8 18. Bg5 Qe6 19. Rad1 Bxc3 20. Qxe6 Rxe6 21.
bxc3 f6 22. Be3 Re4 23. Rfe1 Rae8 24. Kf1 Kf7 25. Re2 g5 26. Rde1 R4e6 27. f4 h6
28. f5 Re5 29. Bf2 Rd8 30. Rxe5 Nxe5 31. Bg3 Rxd6 32. Bxe5 fxe5 33. Rxe5 Kf6 34.
Re8 Kxf5 35. Rf8+ Ke4 36. Ke2 b5 37. Re8+ Kd5 38. Kd3 Ra6 39. Rd8+ Kc6 40. Rc8+
Kd6 41. Rh8 Rxa2 42. Rxh6+ Kd5 43. Rh5 Rxg2 44. h4 Rg3+ 45. Kd2 Kc4 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.12"]
[White "Durarbeyli, Vasif"]
[Black "Afek, Yochanan"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2539"]
[BlackElo "2301"]
[ECO "B29"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rubinstein; Rubinstein counter-gambit"]
[WhiteFideId "13402935"]
[BlackFideId "2800462"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5 8.
Qxd5 d6 9. exd6 Qb6 10. Be3 Bxe3 11. Qe4+ Kd8 12. fxe3 Qxb2 13. Rd1 Re8 14. Qh4+
f6 15. Qxh7 Qc3+ 16. Rd2 Qxe3+ 17. Be2 Qh6 18. Qxh6 gxh6 19. O-O Be6 20. Nd4
Nxd4 21. Rxd4 Bxa2 22. Bg4 Rf8 23. Rdf4 Ke8 24. Rxf6 Rxf6 25. Rxf6 a5 26. Be2
Bd5 27. c4 Bf7 28. c5 Bd5 29. Bb5+ Bc6 30. Bc4 a4 31. Rxh6 Ra5 32. Be6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.13"]
[White "Galoyan, Levon"]
[Black "Thesing, Matthias"]
[Result "1-0"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2231"]
[BlackElo "2409"]
[ECO "D22"]
[Opening "QGA"]
[Variation "Alekhine defence"]
[WhiteFideId "13302027"]
[BlackFideId "4600720"]
[EventDate "2011.12.21"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. a4 Nf6 5. Nc3 Nc6 6. Bg5 Bg4 7. d5 Bxf3 8. gxf3
Na5 9. Qc2 h6 10. Bh4 Qd6 11. Bg3 Qc5 12. Bh3 Nxd5 13. Nxd5 Qxd5 14. Rd1 Qc5 15.
Bd7+ Kd8 16. O-O e5 17. Qf5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.14"]
[White "De Jong, Migchiel"]
[Black "Thakur, Akash"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2367"]
[BlackElo "2324"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "5.O-O"]
[WhiteFideId "1002848"]
[BlackFideId "5008514"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. d4 d6 8. c3 O-O
9. Nbd2 Bb7 10. Re1 Nd7 11. Nf1 Na5 12. Bc2 c5 13. Ne3 exd4 14. cxd4 Bf6 15. Ng4
Rc8 16. b3 Nc6 17. Ba3 Nxd4 18. Nxd4 cxd4 19. Nxf6+ Qxf6 20. Bb2 Qg6 21. Bxd4 f5
22. f3 fxe4 23. Bxe4 Bxe4 24. Rxe4 Nf6 25. Re2 Nh5 26. Kh1 Nf4 27. Rd2 Rfe8 28.
g3 Nh3 29. Qf1 Ng5 30. h4 Nf7 31. Kg2 Nh6 32. Bf2 Nf5 33. Kh2 Rc3 34. Qg2 Ne3
35. Qh3 Rc2 36. Bxe3 Rxe3 37. Rd1 Rxf3 38. Qg2 Rxd2 39. Rxd2 Qf5 40. Qe2 Qf7 41.
Kg2 Rf6 42. Qe4 Qe6 43. Qa8+ Rf8 44. Qxa6 Qe4+ 45. Kh2 Qe5 46. Qc6 h6 47. Kg2
Kh7 48. Qc2+ Kh8 49. Qd3 Rf6 50. Rc2 g6 51. Re2 Qc5 52. Qe4 Kg7 53. Rc2 Qa7 54.
Qd5 b4 55. Qe4 Qb6 56. Kh3 Rf7 57. Rc4 Qg1 58. Rxb4 Qf1+ 59. Qg2 Qf5+ 60. Kh2 d5
61. Qb2+ Kh7 62. Rf4 Qe6 63. Rxf7+ Qxf7 64. b4 Qf3 65. b5 g5 66. Qc2+ Kg7 67.
hxg5 hxg5 68. b6 d4 69. Qc7+ Kg6 70. Qd6+ Kh5 71. Qxd4 Qe2+ 72. Kg1 Qxa2 73. Qf2
Qb1+ 74. Kh2 Kg6 75. g4 Qc1 76. Qf5+ Kg7 77. Qd7+ Kh6 78. Qd6+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.15"]
[White "Anurag, Mhamal"]
[Black "Van Assendelft, Floris"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2222"]
[BlackElo "2357"]
[ECO "A20"]
[Opening "English opening"]
[WhiteFideId "5024366"]
[BlackFideId "1010271"]
[EventDate "2011.12.21"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3
O-O 9. Bd2 Re8 10. Na4 h6 11. Rc1 Bf8 12. Nc5 Nd7 13. Be3 Nxc5 14. Bxc5 Bxc5 15.
Rxc5 Qd6 16. Rc3 Nd4 17. Nd2 Bg4 18. Re1 c6 19. h3 Bh5 20. Ne4 Qe7 21. g4 Bg6
22. Ng3 Rad8 23. Qc1 h5 24. Ne4 hxg4 25. hxg4 Bxe4 26. dxe4 Ne6 27. e3 Qh4 28.
f3 Ng5 29. Rf1 Re6 30. Qe1 Qxe1 31. Rxe1 Red6 32. Kf2 Rd2+ 33. Re2 Ne6 34. Rc2
Rd1 35. Re1 Kf8 36. Bf1 Ke7 37. Be2 Rxe1 38. Kxe1 Rh8 39. Kf2 a5 40. Kg2 Rd8 41.
Kf2 Rd6 42. Ke1 b6 43. Rc3 Nc5 44. Bf1 Rh6 45. Kf2 Kd6 46. Bg2 Kc7 47. Bf1 Rh8
48. Bg2 Rd8 49. Ke2 Na6 50. Bf1 b5 51. Ke1 Kb6 52. a3 a4 53. Rc2 Nc5 54. Rd2
Rxd2 55. Kxd2 Nb3+ 56. Kc2 f6 57. Be2 c5 58. Kc3 c4 59. Bf1 Kc5 60. Be2 Nc1 61.
Bf1 Na2+ 62. Kc2 b4 63. axb4+ Nxb4+ 64. Kc3 Na2+ 65. Kc2 g6 66. Be2 Nb4+ 67. Kc3
Na2+ 68. Kc2 Nb4+ 69. Kc3 Na2+ 70. Kc2 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.16"]
[White "Pijpers, Arthur"]
[Black "Lyell, Mark"]
[Result "1-0"]
[BlackTitle "FM"]
[WhiteElo "2332"]
[BlackElo "2189"]
[ECO "C58"]
[Opening "Two knights defence"]
[WhiteFideId "1019554"]
[BlackFideId "402354"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8.
Bd3 Nd5 9. Nf3 Nf4 10. Bf1 Bd6 11. d4 exd4 12. Qxd4 Ne6 13. Qa4 O-O 14. Be2 Re8
15. Nc3 Rb8 16. a3 c5 17. O-O Nd4 18. Nxd4 cxd4 19. Rd1 Be5 20. b4 Nb7 21. f4
Bc7 22. Bf3 Bd7 23. Bc6 dxc3 24. Bxd7 Bb6+ 25. Kh1 Re2 26. Qc6 Qf6 27. f5 Qh4
28. Rf1 Re1 29. Qb5 Rxf1+ 30. Qxf1 Rd8 31. Qe2 Qd4 32. Bg5 Qxd7 33. Bxd8 Qxd8
34. Rd1 Qc8 35. a4 a5 36. Qb5 Bc7 37. Qd7 Qb8 38. Re1 Nd6 39. b5 h6 40. Qc6 Kh7
41. f6 gxf6 42. Re7 Bb6 43. Qxc3 Kg7 44. Qg3+ Kf8 45. Re1 Qc7 46. Qf4 Kg7 47.
Rd1 Ne8 48. Qxc7 Bxc7 49. c4 Bd6 50. b6 Kf8 51. b7 Be5 52. c5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.17"]
[White "Firat, Burak"]
[Black "Nuri, Kambez"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2393"]
[BlackElo "2256"]
[ECO "B50"]
[Opening "Sicilian"]
[WhiteFideId "6305881"]
[BlackFideId "1311433"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 e6 5. Bc2 Be7 6. O-O O-O 7. d4 Nc6 8. Re1
cxd4 9. cxd4 e5 10. d5 Nb4 11. Bb3 a5 12. Nc3 b6 13. a3 Na6 14. Bc2 Ne8 15. b4
axb4 16. axb4 Bg4 17. Rb1 Rc8 18. Bd2 Bg5 19. Bxg5 Qxg5 20. Nxg5 Bxd1 21. Bxd1
Rxc3 22. Be2 Nb8 23. Rec1 Rxc1+ 24. Rxc1 Nf6 25. f3 h6 26. Nh3 Rd8 27. Nf2 Kf8
28. Nd1 Ke7 29. Ne3 g6 30. Bb5 Nbd7 31. Ra1 Rc8 32. Nc4 Rc7 33. Ra8 Nh5 34. Bc6
b5 35. Na3 Nb6 36. Ra6 Nc4 37. Nxb5 Rc8 38. g3 f5 39. Ra7+ Kf8 40. Rd7 Rb8 41.
Nxd6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.18"]
[White "Kerigan, Demre"]
[Black "Pel, Bonno"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2192"]
[BlackElo "2292"]
[ECO "B06"]
[Opening "Robatsch (modern) defence"]
[WhiteFideId "6307841"]
[BlackFideId "1004760"]
[EventDate "2011.12.21"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 a6 5. Qd2 Nd7 6. Nf3 b5 7. Bd3 Bb7 8. a4 b4
9. Ne2 c5 10. c3 bxc3 11. bxc3 Qc7 12. O-O Ngf6 13. Ng3 h5 14. h4 Ng4 15. Bg5 c4
16. Bc2 e5 17. Qe2 O-O 18. a5 d5 19. dxe5 Ndxe5 20. Nd4 dxe4 21. Bxe4 Bxe4 22.
Qxe4 Rfe8 23. Ra2 Nd3 24. Qc6 Qxc6 25. Nxc6 Bxc3 26. Rc2 Be1 27. Nh1 f6 28. Bc1
c3 29. Ba3 Bd2 30. Nd4 Rac8 31. Nf3 Ne1 32. Nxe1 Bxe1 33. Bc1 Kf7 34. Ng3 Rcd8
35. Ne2 Rd2 36. Bxd2 cxd2 37. Rc7+ Ke6 38. Nc3 Kd6 39. Rc4 Ne5 40. Rd4+ Kc5 41.
Rxd2 Bxd2 42. Ne4+ Kb4 43. Nxd2 Kxa5 44. Rb1 Rc8 45. Kf1 Rc2 46. Ke1 Nc4 47. Ne4
f5 48. Nc5 Nb2 49. Ra1+ Kb5 50. Nxa6 Nd3+ 51. Kf1 Rxf2+ 52. Kg1 Rc2 53. g3 Ne5
54. Nb8 Nf3+ 55. Kf1 Nd2+ 56. Kg1 Rc3 57. Kh2 Rc2 58. Kg1 Rc3 59. Kh2 Ne4 60.
Rb1+ Kc5 61. Nd7+ Kd6 62. Nf8 Rxg3 63. Nxg6 Rg4 64. Rb6+ Kc5 65. Ra6 Kd4 66.
Ra4+ Ke3 67. Ra3+ Ke2 68. Ra2+ Nd2 69. Ne5 Rxh4+ 70. Kg3 Re4 71. Nf3 Rg4+ 72.
Kh3 Kxf3 73. Rxd2 f4 74. Ra2 Rg3+ 75. Kh4 Rg2 76. Ra3+ Kf2 77. Ra2+ Kg1 78. Ra1+
Kh2 79. Rf1 Rg3 80. Rf2+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.19"]
[White "Rietveld, Renze"]
[Black "Duijker, Rick"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2264"]
[BlackElo "2204"]
[ECO "C10"]
[Opening "French"]
[Variation "Rubinstein variation"]
[WhiteFideId "1013998"]
[BlackFideId "1010565"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8.
Bd3 c5 9. O-O cxd4 10. Nxd4 Be7 11. c3 O-O 12. Qe2 Bd7 13. Rd1 Qc7 14. Bg5 Bc6
15. Nxc6 Qxc6 16. Bxf6 Bxf6 17. Be4 Qc7 18. Qb5 Rfd8 19. a4 Rxd1+ 20. Rxd1 Rd8
21. Rxd8+ Qxd8 22. g3 b6 23. Qa6 Qc7 24. Kf1 g6 25. Ke2 Kg7 26. Kd3 h5 27. Kc2
Be7 28. Kb3 Bc5 29. Qc4 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.20"]
[White "Bijlsma, Nick"]
[Black "Heemskerk, Wim"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2150"]
[BlackElo "2264"]
[ECO "C03"]
[Opening "French"]
[Variation "Tarrasch"]
[WhiteFideId "1007041"]
[BlackFideId "1001000"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. c3 c5 5. dxc5 Nf6 6. Bd3 dxe4 7. Nxe4 Nxe4 8.
Bxe4 Qxd1+ 9. Kxd1 Bxc5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.21"]
[White "Cako, Laszlo"]
[Black "Van Overdam, Julian"]
[Result "1/2-1/2"]
[WhiteElo "2111"]
[BlackElo "2244"]
[ECO "B86"]
[Opening "Sicilian"]
[Variation "Sozin attack"]
[WhiteFideId "1008153"]
[BlackFideId "1015303"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Be7 7. Bb3 Na6 8. O-O
Nc5 9. Re1 O-O 10. Qf3 a6 11. Qg3 Kh8 12. Bg5 Qc7 13. Rad1 b5 14. a3 Bb7 15. f3
Nxb3 16. cxb3 Rac8 17. Rc1 Qb8 18. Red1 Ba8 19. b4 h6 20. Be3 Nd7 21. Nb3 Nb6
22. Na5 Nc4 23. Nxc4 Rxc4 24. Rd4 Rfc8 25. Rcd1 Rxd4 26. Bxd4 Bf8 27. e5 d5 28.
Qf2 Rc4 29. f4 a5 30. b3 Rc6 31. Bc5 Bxc5 32. bxc5 b4 33. Na4 bxa3 34. Nb6 Bb7
35. Qa2 Qc7 36. Na4 f6 37. exf6 gxf6 38. Qxa3 Qxf4 39. Qb2 Ba6 40. Qc3 Kg7 41.
h3 Be2 42. Rd2 Bh5 43. Rf2 Qe5 44. Qxa5 Qa1+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.22"]
[White "Theulings, Paul-Peter"]
[Black "Clemens, Adrian"]
[Result "0-1"]
[WhiteTitle "CM"]
[BlackTitle "FM"]
[WhiteElo "2128"]
[BlackElo "2226"]
[ECO "E63"]
[Opening "King's Indian"]
[Variation "fianchetto, Panno variation"]
[WhiteFideId "1002899"]
[BlackFideId "1006487"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 Nc6 7. O-O a6 8. h3 Rb8
9. e4 b5 10. e5 Nd7 11. cxb5 axb5 12. Ng5 dxe5 13. Bxc6 exd4 14. Nxb5 Rb6 15.
Na7 Ra6 16. Nxc8 Rxc6 17. Na7 Rb6 18. a4 Qa8 19. Re1 e5 20. Qg4 Nf6 21. Qh4 h6
22. a5 Rb3 23. Rxe5 hxg5 24. Bxg5 Nh7 25. Rb5 Rb8 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.23"]
[White "Meng, Roger"]
[Black "Van Overdam, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2283"]
[BlackElo "2069"]
[ECO "D01"]
[Opening "Richter-Veresov attack, Veresov variation"]
[WhiteFideId "1000152"]
[BlackFideId "1022741"]
[EventDate "2011.12.21"]

1. Nc3 d5 2. d4 Nf6 3. Bg5 Bf5 4. Bxf6 exf6 5. e3 c6 6. Bd3 Qd7 7. Nf3 Be7 8.
O-O O-O 9. Ne2 Bd6 10. c4 dxc4 11. Bxc4 Qc7 12. Ng3 Bg4 13. Be2 f5 14. Qd3 g6
15. Rfe1 Nd7 16. Nf1 Nf6 17. h3 Bxf3 18. Bxf3 Rfe8 19. Rec1 Rad8 20. Qc4 Qb6 21.
Rab1 f4 22. b4 fxe3 23. fxe3 Rc8 24. a4 a6 25. Qc3 Qd8 26. b5 axb5 27. axb5 Nd5
28. Qb3 Qg5 29. e4 Nf4 30. Kh1 cxb5 31. Rxc8 Rxc8 32. e5 Bf8 33. Qxb5 Rd8 34.
Qc4 Ne6 35. d5 Qf4 36. Qxf4 Nxf4 37. Ne3 Bc5 38. Nc4 b6 39. d6 Kg7 40. Kh2 Nd3
41. Rd1 Nf4 42. g3 Ne6 43. Bd5 Nf8 44. Kg2 h6 45. Kf3 Re8 46. Bc6 Rd8 47. Ke4
Ne6 48. h4 Nf8 49. Rf1 h5 50. Nd2 Bb4 51. Nf3 Ne6 52. Bd5 Nc5+ 53. Kd4 Nd7 54.
Ng5 Nxe5 55. Kxe5 f6+ 56. Kd4 fxg5 57. Rf7+ Kh6 58. d7 gxh4 59. gxh4 Be1 60. Ke5
Bxh4 61. Be4 b5 62. Kd5 b4 63. Kc4 Rb8 64. Kb3 Bg5 65. Rf3 Be7 66. Rf7 Bg5 67.
Rf3 Be7 68. Rf7 Bg5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.24"]
[White "Vogel, Jaap"]
[Black "Maris, Ivo"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2169"]
[BlackElo "2022"]
[ECO "D77"]
[Opening "Neo-Gruenfeld, 6.O-O"]
[WhiteFideId "1000764"]
[BlackFideId "1028146"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc4 7. Na3 c3 8. bxc3
c5 9. e3 Nc6 10. Bb2 Qb6 11. Qe2 Bf5 12. Rfd1 Rfd8 13. Nc4 Qa6 14. Bf1 Qa4 15.
h3 h6 16. Ncd2 cxd4 17. cxd4 Bc2 18. Rdc1 Nb4 19. Ne1 Rac8 20. a3 Nbd5 21. Qb5
a6 22. Qxb7 Rc6 23. Qxc6 Qxc6 24. Rxc2 Qe6 25. Rac1 Kh7 26. Bg2 Qd7 27. Nd3 Qb5
28. Bf1 Kg8 29. Nc5 Qb8 30. Nxa6 Qd6 31. Rc6 Qd7 32. e4 Qb7 33. R6c2 Nb6 34. Rc7
Qa8 35. Rxe7 Bf8 36. Nc7 Qa5 37. Nb3 Qa4 38. Nc5 Bxe7 39. Nxa4 Nxa4 40. e5 Nxb2
41. exf6 Bxf6 42. Nb5 Bxd4 43. Nxd4 Rxd4 44. Bb5 Na4 45. Rc7 Kf8 46. Ra7 Nc3 47.
Bf1 f5 48. Rc7 Ne4 49. Rc2 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.25"]
[White "Hummel, Joop"]
[Black "Kappus, Stephan"]
[Result "0-1"]
[WhiteElo "2030"]
[BlackElo "2093"]
[ECO "E14"]
[Opening "Queen's Indian"]
[Variation "4.e3"]
[WhiteFideId "1012126"]
[BlackFideId "12906875"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Bd3 Be7 6. O-O O-O 7. b3 d6 8. Nc3
Nbd7 9. Bb2 c5 10. Qe2 a6 11. Rad1 Qc7 12. e4 cxd4 13. Nxd4 Rfd8 14. Kh1 Qc5 15.
Na4 Qh5 16. Qxh5 Nxh5 17. f4 Rab8 18. f5 e5 19. Ne2 Nhf6 20. Nec3 Bc6 21. Bc1 b5
22. Nb2 Nc5 23. cxb5 axb5 24. Nd5 Bxd5 25. exd5 Nxd5 26. Bxb5 Nc3 27. Bc4 Nxd1
28. Rxd1 Ne4 29. Re1 Nc3 30. a4 d5 31. Bd2 Ne4 32. Rxe4 dxe4 33. Be3 Ba3 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.26"]
[White "Dehn, Marcus"]
[Black "Sparenberg, Erik"]
[Result "0-1"]
[WhiteElo "2134"]
[BlackElo "2162"]
[ECO "C55"]
[Opening "Two knights defence (Modern bishop's opening)"]
[WhiteFideId "4667093"]
[BlackFideId "1013262"]
[EventDate "2011.12.21"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Nf6 4. d3 Be7 5. O-O O-O 6. c3 d6 7. Bb3 Be6 8. Bxe6
fxe6 9. Re1 Nd7 10. d4 Bf6 11. d5 exd5 12. Qxd5+ Kh8 13. Be3 Qe7 14. Na3 Nb6 15.
Qb3 Nd8 16. Nb5 Ne6 17. a4 Nd7 18. Qc2 a6 19. Na3 g5 20. Nc4 h5 21. Bc1 g4 22.
Nfd2 Bh4 23. Rf1 Nf4 24. Ne3 Ne2+ 25. Kh1 Bxf2 26. Nf5 Rxf5 27. exf5 Qh4 28. Ne4
Ng3+ 29. Nxg3 Bxg3 30. h3 gxh3 31. Qd2 Bf4 32. g3 Qxg3 33. Qf2 Qg4 34. Bxf4 exf4
35. Rg1 Qxf5 36. Qh4 Ne5 37. Raf1 Ng4 38. Rg3 Qd5+ 39. Rgf3 Rf8 40. Qxh3 Rf5 41.
Qh4 Ne5 42. Qd8+ Kh7 43. Qe7+ Rf7 44. Qg5 Qc6 45. Qxh5+ Kg8 46. Rg1+ Kf8 47.
Qh6+ Ke7 48. Qh4+ Ke6 49. Qh3+ Kd5 50. Rff1 Kc5+ 51. Rg2 Qe4 52. Kg1 Rh7 53. Qc8
Qe3+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.26"]
[Round "5.27"]
[White "Knol, Geon"]
[Black "Andraschko, Felix"]
[Result "1-0"]
[WhiteElo "2152"]
[BlackElo "2103"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1012142"]
[BlackFideId "24628174"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 e6 3. d3 d5 4. Nf3 dxe4 5. Nxe4 Be7 6. Be3 Nd7 7. d4 cxd4 8.
Qxd4 Ngf6 9. Nd6+ Bxd6 10. Qxd6 Qa5+ 11. c3 Nd5 12. Bd4 N7f6 13. Bc4 Qc7 14.
Qxc7 Nxc7 15. Be5 Ncd5 16. Bxd5 Nxd5 17. Bxg7 Rg8 18. Be5 f6 19. Bg3 e5 20. O-O
Bg4 21. Nd2 O-O-O 22. Nb3 Rde8 23. f3 Bh5 24. Rfe1 Nb6 25. Na5 Rd8 26. f4 Rd5
27. b4 Nd7 28. Nb3 exf4 29. Bxf4 Ne5 30. Bg3 Rd3 31. Rf1 Ng4 32. Rf5 Be8 33.
Rc5+ Kd8 34. Re1 b6 35. Rc4 Ne3 36. Rd4+ Rxd4 37. Nxd4 Nd5 38. Rc1 Bd7 39. a3
Rg4 40. Ne2 Bb5 41. Rd1 Bxe2 42. Rxd5+ Ke7 43. Kf2 Bc4 44. Rh5 Rg7 45. Rh4 b5
46. a4 a6 47. Rd4 Rg8 48. Bd6+ Ke6 49. Bg3 Bd5 50. a5 Rg7 51. Rd3 Rf7 52. Bf4
Rg7 53. g3 Rf7 54. h4 h5 55. Ke3 Rd7 56. Rd2 Bb3 57. Rd4 Rd5 58. Re4+ Kf7 59.
Bc7 Bc2 60. Rd4 Ke6 61. c4 bxc4 62. Rxc4 Ba4 63. Bf4 Bb5 64. Rc3 Ba4 65. Rc8 Bb5
66. Rh8 Rd3+ 67. Kf2 Rd5 68. Rh6 Kf7 69. Rh7+ Kg6 70. Rb7 Kf5 71. Be3 Kg4 72.
Rb6 Kf5 73. Rb8 Kg6 74. Bc5 Rf5+ 75. Ke3 Bf1 76. Bd6 Rd5 77. Rb6 Kf7 78. Bc5 Kg7
79. Bd4 Rf5 80. Rc6 Bb5 81. Rc5 Kg6 82. Rc7 Rd5 83. Ke4 Rf5 84. Bc5 Re5+ 85. Kd4
Kf5 86. Bd6 Re4+ 87. Kd5 Re2 88. Rc3 Re8 89. Rf3+ Kg6 90. Bc7 Re2 91. Rc3 Kf5
92. Kc5 Re6 93. Bd6 Kg6 94. Rf3 Be2 95. Rf4 Bb5 96. Rd4 Re3 97. Kb6 Rc3 98. Rd5
Bf1 99. Bf4 Rb3 100. Rd4 Kf7 101. Ka7 Rc3 102. Kb7 Rb3 103. Rd7+ Kg6 104. Bd6
Kf5 105. Bf8 Rd3 106. Rh7 Kg6 107. Rg7+ Kf5 108. b5 axb5 109. a6 Rd8 110. Bb4
Bg2+ 111. Kb6 Rb8+ 112. Ka5 Bf3 113. a7 Ra8 114. Kxb5 Ke6 115. Kb6 f5 116. Bd2
Kd6 117. Bf4+ Ke6 118. Bb8 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.1"]
[White "Zherebukh, Yaroslav"]
[Black "Hess, Robert L"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2594"]
[BlackElo "2625"]
[ECO "C02"]
[Opening "French"]
[Variation "advance variation"]
[WhiteFideId "14116804"]
[BlackFideId "2022036"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 Bd7 7. b4 cxd4 8. cxd4 Rc8
9. Bb2 Nh6 10. Nc3 Na5 11. Na4 Qc6 12. Nc5 Nc4 13. Bc1 Nf5 14. Bd3 b6 15. Nxd7
Qxd7 16. Bxf5 exf5 17. h4 Be7 18. O-O h6 19. Ra2 O-O 20. h5 a5 21. bxa5 bxa5 22.
Ne1 a4 23. Nd3 Rb8 24. Re1 Rb1 25. Rae2 Bxa3 26. Qc2 Qb5 27. Bxh6 Rxe1+ 28. Rxe1
gxh6 29. Nf4 Bb4 30. Rb1 a3 31. Rb3 Qd7 32. Rxb4 Ra8 33. Rb1 Qa7 34. Qd3 Rb8 35.
Ra1 Qd7 36. e6 fxe6 37. Nxe6 Re8 38. Nf4 Re4 39. Qg3+ Qg7 40. Ng6 Re8 41. Qf4
Qf6 42. g3 Qg5 43. Qc7 Qf6 44. Qa7 Qg7 45. Qa4 Rd8 46. Re1 Qd7 47. Qa6 Qd6 48.
Qa7 Qd7 49. Qa6 Qd6 50. Qb7 Qd7 51. Qa6 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.2"]
[White "Kovchan, Alexander"]
[Black "Tiviakov, Sergei"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2573"]
[BlackElo "2650"]
[ECO "B01"]
[Opening "Scandinavian"]
[Variation "Pytel-Wade variation"]
[WhiteFideId "14103052"]
[BlackFideId "1008013"]
[EventDate "2011.12.21"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 g6 6. g3 Bg7 7. Bg2 c6 8. O-O
O-O 9. Re1 Na6 10. Bf4 Qd8 11. Qd2 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.3"]
[White "Rapport, Richard"]
[Black "Ernst, Sipke"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2534"]
[BlackElo "2593"]
[ECO "D10"]
[Opening "QGD Slav defence"]
[WhiteFideId "738590"]
[BlackFideId "1004689"]
[EventDate "2011.12.21"]

1. d4 d5 2. c4 c6 3. e3 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 Bd6 7. Qb3 b6 8. Bg2 Ne7
9. e4 dxe4 10. Nxe4 Bxe4 11. Bxe4 Nd7 12. Bg5 Rc8 13. O-O-O h6 14. Bh4 Qc7 15.
Bc2 c5 16. d5 exd5 17. Nc3 g5 18. Rhe1 Nf6 19. Nb5 Bf4+ 20. Kb1 Qd8 21. cxd5 O-O
22. d6 Nc6 23. d7 Nxd7 24. Bg3 Bxg3 25. hxg3 a6 26. Rd6 c4 27. Qf3 Re8 28. Rh1
Re6 29. Qf5 Qe8 30. Qh7+ Kf8 31. Qh8+ Ke7 32. Rxe6+ fxe6 33. Qg7+ Kd8 34. Nd6
Qf8 35. Qxf8+ Nxf8 36. Nxc8 Kxc8 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.4"]
[White "Romanov, Evgeny"]
[Black "Michiels, Bart"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2627"]
[BlackElo "2492"]
[ECO "D52"]
[Opening "QGD"]
[Variation "Cambridge Springs defence, Yugoslav variation"]
[WhiteFideId "4148843"]
[BlackFideId "202967"]
[EventDate "2011.12.21"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5 8. Qd2
Bb4 9. Rc1 h6 10. Bh4 Nxc3 11. bxc3 Ba3 12. Rb1 O-O 13. Bd3 b6 14. O-O Ba6 15.
Bxa6 Qxa6 16. e4 Rfe8 17. Rbd1 Be7 18. Bg3 Nf6 19. Qc2 Nh5 20. Be5 f6 21. Bg3
Nxg3 22. hxg3 Rad8 23. Qb3 Bf8 24. a4 c5 25. e5 f5 26. d5 c4 27. Qc2 Rxd5 28.
Rxd5 exd5 29. Qxf5 Qc8 30. Qg6 Re6 31. Qc2 Bc5 32. Rd1 Qd7 33. g4 Re7 34. Qd2
Qxg4 35. Qxd5+ Kh7 36. Re1 Rd7 37. Qc6 Rf7 38. e6 Re7 39. Qd5 Qf4 40. Kf1 Rc7
41. g3 Qf6 42. Re5 Be7 43. Qe4+ Qg6 44. Rf5 Bf6 45. Nh4 Bxh4 46. gxh4 Rc5 47. e7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.5"]
[White "Bok, Benjamin"]
[Black "Michalik, Peter"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2513"]
[BlackElo "2509"]
[ECO "B12"]
[Opening "Caro-Kann"]
[Variation "advance variation"]
[WhiteFideId "1017063"]
[BlackFideId "14907526"]
[EventDate "2011.12.21"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O h6 7. Nbd2 Ne7 8. c3 Bh7
9. Nb3 a6 10. Bd2 Nc8 11. Nc1 c5 12. Bd3 Bxd3 13. Nxd3 Na7 14. Be3 c4 15. Nf4 b5
16. Nd2 Qc7 17. b3 Nb6 18. Qg4 O-O-O 19. a4 g5 20. Ne2 cxb3 21. axb5 b2 22. Ra2
Nxb5 23. Rxb2 Na3 24. Ra2 a5 25. Rfa1 Nac4 26. Nxc4 Nxc4 27. Nc1 Nxe3 28. fxe3
Qxc3 29. Qe2 Kd7 30. Rc2 Qb4 31. Nd3 Qb6 32. Rf1 Rh7 33. Rfc1 Rh8 34. Qf2 Ke8
35. Rc7 Rh7 36. Qc2 Be7 37. Rxe7+ Kxe7 38. Rb1 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.6"]
[White "Kuipers, Stefan"]
[Black "Durarbeyli, Vasif"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "GM"]
[WhiteElo "2396"]
[BlackElo "2539"]
[ECO "B63"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack"]
[WhiteFideId "1018400"]
[BlackFideId "13402935"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Qb6 8.
Bxf6 gxf6 9. Nb3 a6 10. O-O-O h5 11. f4 Rg8 12. Kb1 Bd7 13. Qe2 h4 14. Qe1 Rg4
15. Ne2 Qe3 16. Nd2 Rc8 17. c3 b5 18. h3 Rg8 19. Qxh4 b4 20. Qh5 Qd3+ 21. Ka1
Qc2 22. Nd4 Nxd4 23. cxd4 Rg3 24. Be2 Re3 25. Rhe1 a5 26. Nb1 Qxe4 27. Bd3 Qxf4
28. Bb5 d5 29. Bxd7+ Kxd7 30. Rf1 Qg5 31. Qxf7+ Be7 32. Rc1 Rxc1 33. Rxc1 Rc3
34. Rxc3 bxc3 35. bxc3 Qxg2 36. h4 f5 37. h5 a4 38. a3 Qg5 39. Qh7 Ke8 40. h6
Kf8 41. Qh8+ Qg8 42. Qe5 Kf7 43. Qh2 Kg6 44. Nd2 Qc8 45. Kb2 Bg5 46. Nf3 Bxh6
47. Kc2 Qb7 48. Ne5+ Kh7 49. Qg1 Qb3+ 50. Kd3 Qb5+ 51. Kc2 Qe2+ 52. Kb1 Qh5 53.
Nd7 Bg7 54. Nc5 f4 55. Nxa4 Qf5+ 56. Ka1 Qc2 57. Qh1+ Bh6 58. Nb2 Qxc3 59. Qh5
Qxa3+ 60. Kb1 Qe3 61. Qf7+ Kh8 62. Qe8+ Kg7 63. Qe7+ Kg6 64. Qe8+ Kg5 65. Qg8+
Kh4 66. Qh8 f3 67. Nd1 Qc1+ 68. Ka2 Qxd1 69. Qxh6+ Kg3 70. Qg5+ Kf2 71. Qh4+ Ke2
72. Qg4 Qc2+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.7"]
[White "Ruck, Robert"]
[Black "De Jong, Migchiel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2579"]
[BlackElo "2367"]
[ECO "A05"]
[Opening "Reti"]
[Variation "King's Indian attack"]
[WhiteFideId "705713"]
[BlackFideId "1002848"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. d4 O-O 5. Bg2 c6 6. Nc3 d5 7. Qb3 e6 8. O-O
Nbd7 9. Bf4 b6 10. Rac1 Bb7 11. Rfd1 Re8 12. h3 h6 13. g4 dxc4 14. Qxc4 Nd5 15.
Bg3 Nxc3 16. Qxc3 c5 17. Qa3 Qe7 18. dxc5 bxc5 19. Bd6 Qf6 20. Ne5 Bxg2 21. Nxd7
Qd8 22. Be5 Bd5 23. Bxg7 Qxd7 24. Bxh6 Kh7 25. Bg5 Qb5 26. Qg3 Qxb2 27. Qh4+ Kg7
28. Rb1 Qe5 29. f4 Qe3+ 30. Kf1 Bg2+ 31. Kxg2 Qxe2+ 32. Qf2 Qe4+ 33. Kg3 Rab8
34. Rxb8 Rxb8 35. Qxc5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.8"]
[White "Hoffmann, Michael1"]
[Black "Pijpers, Arthur"]
[Result "1-0"]
[WhiteTitle "GM"]
[WhiteElo "2499"]
[BlackElo "2332"]
[ECO "A57"]
[Opening "Benko gambit"]
[WhiteFideId "4601297"]
[BlackFideId "1019554"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 Bb7 5. Qc2 bxc4 6. e4 e6 7. Bxc4 exd5 8. exd5
Qe7+ 9. Be3 Ng4 10. O-O Nxe3 11. fxe3 d6 12. e4 Nd7 13. Nc3 f6 14. Ne2 g6 15.
Nf4 Bh6 16. Ne6 Nf8 17. Qa4+ Kf7 18. e5 Kg8 19. exf6 Qxf6 20. Nfg5 Qxb2 21. Rab1
Qe5 22. Rxb7 Bxg5 23. Qxa7 Nxe6 24. Qxa8+ Nd8 25. Bb5 Be7 26. Rd7 Kg7 27. Qa7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.9"]
[White "Naroditsky, Daniel"]
[Black "Galoyan, Levon"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2472"]
[BlackElo "2231"]
[ECO "A00"]
[Opening "Benko's opening"]
[WhiteFideId "2026961"]
[BlackFideId "13302027"]
[EventDate "2011.12.21"]

1. g3 d5 2. Bg2 Nf6 3. d3 Nbd7 4. Nf3 e5 5. O-O Bd6 6. Nbd2 O-O 7. e4 c6 8. b3
Re8 9. Bb2 Nf8 10. Nh4 Bg4 11. f3 Bd7 12. Kh1 Bc5 13. Qe2 a5 14. a3 b5 15. f4
exf4 16. Rxf4 d4 17. Raf1 Ng6 18. Nxg6 hxg6 19. e5 g5 20. Rxd4 Bxd4 21. Bxd4 Ng4
22. Qf3 Be6 23. Bb2 Qd5 24. Ne4 Rf8 25. h3 Nxe5 26. Nf6+ gxf6 27. Qxf6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.10"]
[White "Maatman, Nick"]
[Black "Plat, Vojtech"]
[Result "0-1"]
[BlackTitle "IM"]
[WhiteElo "2029"]
[BlackElo "2425"]
[ECO "C41"]
[Opening "Philidor"]
[Variation "Improved Hanham variation"]
[WhiteFideId "1040391"]
[BlackFideId "325740"]
[EventDate "2011.12.21"]

1. d4 d6 2. e4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. h3 Be7 6. Be3 exd4 7. Nxd4 Nc5 8.
Qf3 c6 9. O-O-O Qc7 10. g4 Be6 11. Nxe6 Nxe6 12. Bc4 Nd7 13. Qg3 Nec5 14. Bd4 b5
15. Bd3 Ne6 16. Be3 Ndc5 17. Kb1 O-O-O 18. Rd2 Bf6 19. Ne2 h6 20. Rhd1 Rhe8 21.
f4 Qa5 22. c3 b4 23. cxb4 Qxb4 24. e5 dxe5 25. fxe5 Nxd3 26. exf6 Nxb2 27. Rxd8+
Nxd8 28. Qf4 Nc4+ 29. Kc2 Nxe3+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.11"]
[White "Klein, David"]
[Black "Poetsch, Hagen"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2378"]
[BlackElo "2408"]
[ECO "B20"]
[Opening "Sicilian"]
[Variation "Keres variation (2.Ne2)"]
[WhiteFideId "1003623"]
[BlackFideId "24615137"]
[EventDate "2011.12.21"]

1. e4 c5 2. Ne2 d6 3. g3 b5 4. Bg2 Bb7 5. d4 cxd4 6. Nxd4 a6 7. O-O Nf6 8. Re1
e5 9. Nf5 g6 10. Nh6 Nbd7 11. Bg5 Be7 12. a4 bxa4 13. Nc3 Nc5 14. Nxa4 Nfd7 15.
Be3 Qc7 16. Nc3 Nb6 17. Qe2 Rf8 18. b4 Ncd7 19. Nd5 Nxd5 20. exd5 f5 21. c4 e4
22. f4 Bf6 23. g4 Bg7 24. gxf5 Bxh6 25. Rac1 Nf6 26. fxg6 hxg6 27. c5 Bxd5 28.
Red1 Qd7 29. cxd6 Bc6 30. Rc5 Rf7 31. Re5+ Kf8 32. Re7 Qg4 33. Qxg4 Nxg4 34. Bc5
Rd8 35. Bh3 Nf6 36. Be6 Rg7 37. Rxg7 Kxg7 38. Bb6 Rb8 39. Bc7 Rxb4 40. d7 Bxd7
41. Bxd7 e3 42. Be5 Bxf4 43. Ba1 Kf7 44. Bc8 Ra4 45. Kg2 Ra2+ 46. Kg1 Bxh2+ 47.
Kh1 Ne4 48. Rf1+ Ke8 49. Bb2 Rxb2 50. Bd7+ Ke7 51. Rf7+ Kxf7 52. Be6+ Kf8 53.
Bd5 Ng3# 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.12"]
[White "Anurag, Mhamal"]
[Black "Brandenburg, Daan"]
[Result "0-1"]
[BlackTitle "GM"]
[WhiteElo "2222"]
[BlackElo "2519"]
[ECO "B40"]
[Opening "Sicilian defence"]
[WhiteFideId "5024366"]
[BlackFideId "1011014"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. g3 a6 5. Bg2 d6 6. O-O Qc7 7. d4 cxd4 8. Nxd4
Bd7 9. h3 Be7 10. Be3 Nf6 11. g4 h6 12. f4 Rc8 13. Nb3 b5 14. a3 g5 15. fxg5
hxg5 16. Bxg5 Qb6+ 17. Kh2 Qd8 18. Kg1 Ne5 19. Qd4 Nfxg4 20. Bxe7 Qxe7 21. Rf4
Nf6 22. Rd1 Nh5 23. Rf2 Rg8 24. Qxd6 Qg5 25. Rdd2 Rd8 26. Qc7 Qg3 27. Rxd7 Rxd7
28. Qc8+ Rd8 29. Qxa6 Nf4 30. Qxb5+ Nd7 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.13"]
[White "Clemens, Adrian"]
[Black "Firat, Burak"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2226"]
[BlackElo "2393"]
[ECO "D93"]
[Opening "Gruenfeld with Bf4    e3"]
[WhiteFideId "1006487"]
[BlackFideId "6305881"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3 c5 7. dxc5 Ne4 8. Be5
Bxe5 9. Nxe5 Nxc3 10. bxc3 Qa5 11. Rc1 Nc6 12. Nxc6 bxc6 13. cxd5 cxd5 14. Qd2
Be6 15. Be2 Rac8 16. O-O Rxc5 17. Rc2 Rfc8 18. Rfc1 Bd7 19. h3 e6 20. Rb2 Rxc3
21. Rxc3 Qxc3 22. Qxc3 Rxc3 23. Rb7 Rc1+ 24. Kh2 Rc2 25. Bd1 Rd2 26. Rxd7 Rxd1
27. Rxa7 Rd2 28. Kg3 g5 29. Kf3 h5 30. g4 h4 31. a4 Ra2 32. Kg2 Kg7 33. Kf3 Kf6
34. Kg2 Kg6 35. Kf3 f5 36. gxf5+ exf5 37. Ra8 Kg7 38. Ra7+ Kf6 39. Ra8 Kg7 40.
Ra7+ Kf6 41. Ra8 d4 42. exd4 Ra3+ 43. Kg2 g4 44. hxg4 fxg4 45. Rf8+ Kg5 46. Rg8+
Kf5 47. Rf8+ Kg5 48. Rg8+ Kf5 49. Rf8+ Kg5 50. Rg8+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.14"]
[White "Van Assendelft, Floris"]
[Black "Tarasova, Viktoriya"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "WIM"]
[WhiteElo "2357"]
[BlackElo "2294"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack, Keres variation"]
[WhiteFideId "1010271"]
[BlackFideId "4175840"]
[EventDate "2011.12.21"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. c4 e6 5. cxd5 exd5 6. O-O Ngf6 7. d4 c6 8. Nc3
Bd6 9. h3 Bh5 10. Nh4 Bg6 11. Nxg6 hxg6 12. Rb1 O-O 13. b4 a6 14. a4 Re8 15. Qd3
Qe7 16. b5 axb5 17. axb5 Bb4 18. bxc6 bxc6 19. Rb3 Nb6 20. Bg5 Ra3 21. Rxa3 Bxa3
22. Qa6 Qb4 23. Bxf6 gxf6 24. e3 Qxc3 25. Qxb6 Kg7 26. Qc7 Bb4 27. Rb1 Ra8 28.
Bf1 Ra2 29. Qf4 Qd2 30. Qf3 Rb2 31. Rd1 Qc3 32. h4 Rd2 33. Rxd2 Qxd2 34. h5 gxh5
35. Qxh5 Qc2 36. Qg4+ Kf8 37. Bh3 Be1 38. Qf4 Kg7 39. Bf5 Qa2 40. Bd7 Qc2 41.
Kf1 Bb4 42. Bf5 Qd1+ 43. Kg2 Be1 44. g4 Qe2 45. Bd7 Qc2 46. Kf1 Bb4 47. g5 Qd3+
48. Kg2 Qg6 49. Bxc6 Qxg5+ 50. Kf3 Be1 51. Qg3 Kh7 52. Qh3+ Kg7 53. Ke2 Bb4 54.
Qf3 Qg1 55. Qxd5 Qe1+ 56. Kf3 Qh1+ 57. Kg4 Qxd5 58. Bxd5 Be1 59. Kf3 Bd2 60. Kf4 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.15"]
[White "Ypma, Peter"]
[Black "Georgiadis, Nico"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2105"]
[BlackElo "2316"]
[ECO "E68"]
[Opening "King's Indian"]
[Variation "fianchetto, classical variation, 8.e4"]
[WhiteFideId "1027255"]
[BlackFideId "1300113"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. O-O O-O 6. c4 Nbd7 7. Nc3 e5 8. e4 c6
9. d5 Qc7 10. b3 Nc5 11. Ne1 cxd5 12. cxd5 a5 13. Nd3 Bd7 14. Nxc5 Qxc5 15. Na4
Bxa4 16. Be3 Qa3 17. bxa4 Rfc8 18. Qb3 Rc3 19. Qxb7 Rac8 20. Bd2 Rc2 21. Bxa5
Qxa4 22. Bb4 Bf8 23. Qb6 Nd7 24. Qa5 Qxa5 25. Bxa5 Ra8 26. Bb4 Raxa2 27. Rxa2
Rxa2 28. Rc1 Rb2 29. Ba5 Nc5 30. Bc3 Rxf2 31. Kxf2 Nd3+ 32. Kf3 Nxc1 33. Bd2 Nd3
34. Bf1 Nc5 35. Be3 Nd7 36. Bb5 Nf6 37. Bg5 Kg7 38. Bxf6+ Kxf6 39. h4 h5 40. Bd7
Ke7 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.16"]
[White "Thesing, Matthias"]
[Black "Meurs, Tom"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2409"]
[BlackElo "2247"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "4600720"]
[BlackFideId "1021176"]
[EventDate "2011.12.21"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. O-O Nd7 5. d3 e6 6. e4 Bd6 7. Qe1 Bxf3 8. Bxf3
Ne7 9. Bg2 Qb6 10. Nd2 a5 11. Nf3 a4 12. Rb1 d4 13. Bd2 e5 14. Bh3 h6 15. c3 c5
16. b4 axb3 17. Rxb3 Qc6 18. Qb1 Ra7 19. cxd4 cxd4 20. Rc1 Nc5 21. Rb6 Qc7 22.
Qb5+ Nc6 23. Rxc5 Bxc5 24. Qxc5 Qe7 25. Rxc6 bxc6 26. Qxc6+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.17"]
[White "Thakur, Akash"]
[Black "Van Overdam, Julian"]
[Result "1/2-1/2"]
[WhiteElo "2324"]
[BlackElo "2244"]
[ECO "A52"]
[Opening "Budapest"]
[Variation "Rubinstein variation"]
[WhiteFideId "5008514"]
[BlackFideId "1015303"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 g5 5. Bg3 Bg7 6. Nf3 Nc6 7. Nc3 Ngxe5 8.
Nxe5 Nxe5 9. e4 d6 10. Be2 Be6 11. Nd5 c6 12. Ne3 Qa5+ 13. Qd2 Qxd2+ 14. Kxd2
Rd8 15. Kc2 d5 16. cxd5 cxd5 17. exd5 Bxd5 18. Nxd5 Rxd5 19. Rad1 Rxd1 20. Rxd1
Ke7 21. Rd5 Rc8+ 22. Kb3 Ke6 23. Bxe5 Bxe5 24. Bc4 Kf6 25. Rd7 Rc7 26. Rxc7 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.18"]
[White "Afek, Yochanan"]
[Black "Duijker, Rick"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2301"]
[BlackElo "2204"]
[ECO "C02"]
[Opening "French"]
[Variation "advance, Euwe variation"]
[WhiteFideId "2800462"]
[BlackFideId "1010565"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 f6 7. Bd3 fxe5 8. Nxe5
Nxe5 9. dxe5 Ne7 10. O-O Qc7 11. f4 O-O-O 12. b4 g5 13. fxg5 Ng6 14. Bxg6 hxg6
15. Rf7 d4 16. cxd4 cxd4 17. Bf4 Qb6 18. Nd2 d3+ 19. Kh1 Be8 20. Rf6 Be7 21. Qe1
Qd4 22. Rc1+ Kb8 23. Be3 Qd5 24. Rf3 Bc6 25. Qg1 Rh4 26. Bxa7+ Ka8 27. Bf2 Rg4
28. Bg3 Bxg5 29. Rc5 Qd4 30. Bf2 Qb2 31. Ra5+ Kb8 32. Ba7+ Kc8 33. Be3 Bxf3 34.
Ra8+ Kd7 35. Rxd8+ Bxd8 36. Nxf3 Bc7 37. h3 Rc4 38. Bd2 Bxe5 39. Qf1 Qa1 40.
Nxe5+ Qxe5 41. Qxd3+ Rd4 42. Qc2 Qd6 43. Be1 Rd1 44. Qe2 Qd3 45. Qf2 Qf5 46. Qe2
Qh5 47. Qe4 Kd6 48. Kh2 Qd5 49. Bg3+ Kc6 50. Qxg6 Kb5 51. Qg7 Rd2 52. Bf4 Re2
53. Qg4 Qe4 54. Qg8 Qxf4+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.19"]
[White "Pel, Bonno"]
[Black "Cako, Laszlo"]
[Result "0-1"]
[WhiteTitle "FM"]
[WhiteElo "2292"]
[BlackElo "2111"]
[ECO "A00"]
[Opening "Benko's opening"]
[WhiteFideId "1004760"]
[BlackFideId "1008153"]
[EventDate "2011.12.21"]

1. g3 d5 2. Bg2 Nf6 3. d3 e6 4. f4 c5 5. Nf3 Nc6 6. O-O Be7 7. c3 Qc7 8. Na3 O-O
9. Qe1 b6 10. Bd2 Bb7 11. h3 Rad8 12. Rc1 Rfe8 13. g4 a6 14. g5 Nd7 15. Qg3 Bd6
16. e4 dxe4 17. dxe4 b5 18. c4 Qb6 19. h4 Nb4 20. e5 Bf8 21. h5 Nb8 22. Be3 Rd3
23. Rce1 N8c6 24. g6 fxg6 25. hxg6 h6 26. Qf2 Nd4 27. Bxd4 cxd4 28. Ng5 Bxg2 29.
Qxg2 Re3 30. Ne4 Be7 31. Kh1 Rf8 32. cxb5 Rxe1 33. Rxe1 Rxf4 34. Rf1 Rh4+ 35.
Kg1 Nd5 36. Nc4 Qc7 37. Ned6 axb5 38. Rf7 Qc5 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.20"]
[White "Lyell, Mark"]
[Black "Rietveld, Renze"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2189"]
[BlackElo "2264"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "402354"]
[BlackFideId "1013998"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 a6 3. Nf3 e6 4. Be2 b5 5. O-O Nc6 6. d4 cxd4 7. Nxd4 Bb7 8. Be3
Nf6 9. Nxc6 Bxc6 10. e5 b4 11. exf6 bxc3 12. Qd4 Qxf6 13. b3 Be7 14. Rfd1 O-O
15. Qxf6 Bxf6 16. Bd4 Rfc8 17. Bxf6 gxf6 18. Rd6 a5 19. a4 Rab8 20. f3 Kf8 21.
Rad1 Ke7 22. R6d3 Bd5 23. Kf2 Rc7 24. Re3 Bb7 25. f4 f5 26. Bd3 Kf6 27. Rh3 Rg8
28. Rg1 Rg4 29. g3 Rg7 30. Rh6+ Ke7 31. Re1 Rc5 32. Re5 Rxe5 33. fxe5 Kd8 34.
Ke3 Kc7 35. Kd4 d6 36. exd6+ Kxd6 37. Bxf5 Rg5 38. Bxh7 f5 39. Kxc3 Be4 40. Rg6
Rh5 41. Bg8 Rxh2 42. Rxe6+ Kc5 43. Re5+ Kc6 44. Rxa5 Rxc2+ 45. Kd4 Rg2 46. Ra6+
Kc7 47. Rg6 Rc2 48. Bd5 Re2 49. Kc5 Re3 50. Rg7+ Kc8 51. Kd6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.21"]
[White "Heemskerk, Wim"]
[Black "Kerigan, Demre"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2264"]
[BlackElo "2192"]
[ECO "E68"]
[Opening "King's Indian"]
[Variation "fianchetto, classical variation, 8.e4"]
[WhiteFideId "1001000"]
[BlackFideId "6307841"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. g3 g6 3. c4 Bg7 4. Bg2 O-O 5. O-O d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6
9. Rb1 a5 10. h3 exd4 11. Nxd4 Nc5 12. Re1 Re8 13. Qc2 Nfxe4 14. Nxe4 Bxd4 15.
Bg5 Qd7 16. Nf6+ Bxf6 17. Bxf6 Re6 18. Bc3 Qe7 19. b3 Bd7 20. Qd2 b6 21. Qd4 f6
22. Rxe6 Bxe6 23. Bxc6 Rc8 24. Bg2 a4 25. Qxf6 Qxf6 26. Bxf6 axb3 27. axb3 Rb8
28. Be7 Nb7 29. Rd1 Kf7 30. Bxd6 Nxd6 31. Rxd6 b5 32. Bd5 Bxd5 33. Rxd5 bxc4 34.
bxc4 Rc8 35. Rd7+ Kg8 36. Rd4 Kf7 37. Kf1 Ke6 38. Ke2 Ke5 39. Ke3 Ra8 40. f4+
Ke6 41. Ke4 Ra1 42. Rd5 Re1+ 43. Kd4 Rg1 44. Re5+ Kd6 45. c5+ Kc6 46. Re6+ Kd7
47. Re3 Kc6 48. Rc3 Re1 49. g4 Re2 50. f5 h5 51. fxg6 hxg4 52. h4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.22"]
[White "Nuri, Kambez"]
[Black "Bijlsma, Nick"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2256"]
[BlackElo "2150"]
[ECO "B84"]
[Opening "Sicilian"]
[Variation "Scheveningen (Paulsen), classical variation"]
[WhiteFideId "1311433"]
[BlackFideId "1007041"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. Be3
O-O 9. f4 Nc6 10. Kh1 Qc7 11. Qe1 Bd7 12. Qg3 b5 13. a3 Kh8 14. Rae1 Rac8 15.
Bd3 Ng8 16. Nf3 b4 17. Ne2 bxa3 18. bxa3 Na5 19. Bd4 f6 20. e5 dxe5 21. Nxe5 Be8
22. Rb1 fxe5 23. Bb6 Qc6 24. Bxa5 e4 25. Nd4 Qd5 26. Bxa6 Rxc2 27. Nxc2 Qxa5 28.
Bc4 Nf6 29. Nd4 Nh5 30. Qe3 Bc5 31. Qxe4 Bg6 32. f5 exf5 33. Qe5 Qxa3 34. Nb5
Qe3 35. Qxe3 Bxe3 36. Rbe1 Bc5 37. Re5 Bb4 38. g4 fxg4 39. Rxf8+ Bxf8 40. Be2
Nf6 41. Nc3 h6 42. Nd1 Be4+ 43. Rxe4 Nxe4 44. Bxg4 g6 45. Kg2 Bd6 46. Ne3 Kg7
47. Nd5 Nc5 48. Be2 Ne6 49. Bd3 Nd4 50. Nc3 Be5 51. Ne4 Nf5 52. h3 Kf8 53. Nd2
Ke7 54. Bxf5 gxf5 55. Nf1 Ke6 56. Ne3 Bd4 57. Nxf5 Kxf5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.23"]
[White "Kappus, Stephan"]
[Black "Meng, Roger"]
[Result "0-1"]
[WhiteElo "2093"]
[BlackElo "2283"]
[ECO "B15"]
[Opening "Caro-Kann defence"]
[WhiteFideId "12906875"]
[BlackFideId "1000152"]
[EventDate "2011.12.21"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 h5 6. Bc4 h4 7. N3e2 Bf5 8. h3
e6 9. Nf3 Be4 10. Be3 Bxf3 11. gxf3 Nbd7 12. Qd2 Qc7 13. Bf4 Bd6 14. Rg1 g6 15.
Bg5 Rh5 16. c3 O-O-O 17. O-O-O Kb8 18. Kb1 Rc8 19. Qd3 Nd5 20. Bxd5 cxd5 21. Rg4
Nb6 22. f4 Nc4 23. Bf6 Ka8 24. Be5 Qb6 25. b3 Be7 26. Rdg1 Na3+ 27. Ka1 Qa5 28.
Rxg6 fxg6 29. Qxg6 Rxe5 30. fxe5 Qa6 31. Qg4 Qd3 32. b4 Bxb4 33. cxb4 Nc2+ 34.
Kb2 Qa3+ 35. Kb1 Qxb4+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.24"]
[White "Van Overdam, Jan"]
[Black "Vogel, Jaap"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2069"]
[BlackElo "2169"]
[ECO "C00"]
[Opening "French"]
[Variation "Chigorin variation"]
[WhiteFideId "1022741"]
[BlackFideId "1000764"]
[EventDate "2011.12.21"]

1. e4 e6 2. Qe2 c5 3. Nc3 Nc6 4. Nf3 Be7 5. d3 d6 6. g3 Nf6 7. Bg2 O-O 8. O-O a6
9. a4 e5 10. Nd5 Nxd5 11. exd5 Nd4 12. Nxd4 exd4 13. c4 dxc3 14. bxc3 Bf6 15.
Bb2 Bf5 16. Be4 Re8 17. Rfe1 b5 18. axb5 axb5 19. Qc2 Rxa1 20. Rxa1 Qd7 21. Ra6
c4 22. f3 cxd3 23. Qxd3 Bxe4 24. fxe4 b4 25. Kg2 h5 26. Rc6 h4 27. Qe2 Qf5 28.
Qf3 Qxe4 29. Qxe4 Rxe4 30. Kf3 Re1 31. Rc4 hxg3 32. hxg3 bxc3 33. Ba3 Be5 34.
Bb4 Rg1 35. g4 Rg3+ 36. Kf2 Rd3 37. Ke2 Rxd5 38. Bxc3 Bxc3 39. Rxc3 Rd4 40. Kf3
Kh7 41. Rc7 Kg6 42. Rd7 Kf6 43. Rc7 g5 44. Ra7 Rf4+ 45. Kg3 Ke6 46. Ra6 f6 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.25"]
[White "Sparenberg, Erik"]
[Black "Theulings, Paul-Peter"]
[Result "1/2-1/2"]
[BlackTitle "CM"]
[WhiteElo "2162"]
[BlackElo "2128"]
[ECO "B03"]
[Opening "Alekhine's defence"]
[Variation "exchange variation"]
[WhiteFideId "1013262"]
[BlackFideId "1002899"]
[EventDate "2011.12.21"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. h3 Nc6 8. Nf3
O-O 9. Be2 Bf6 10. Ne4 Re8 11. Nxf6+ Qxf6 12. O-O Bf5 13. b3 d5 14. c5 Nc8 15.
Be3 N8e7 16. Qd2 Be4 17. Ng5 Bg6 18. Bd3 Nf5 19. Nf3 Nh4 20. Nxh4 Qxh4 21. Bb5
Re6 22. Bxc6 bxc6 23. Rae1 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.26"]
[White "Maris, Ivo"]
[Black "Knol, Geon"]
[Result "1-0"]
[WhiteElo "2022"]
[BlackElo "2152"]
[ECO "A46"]
[Opening "Queen's pawn game"]
[WhiteFideId "1028146"]
[BlackFideId "1012142"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. d4 c6 3. g3 d6 4. Bg2 Qa5+ 5. c3 g6 6. O-O Bg7 7. Re1 O-O 8. e4
Nfd7 9. Be3 Na6 10. Qd2 Re8 11. b4 Qd8 12. Bh6 Bh8 13. e5 dxe5 14. dxe5 Nf8 15.
Qf4 Ne6 16. Qh4 Qd3 17. Nbd2 Qxc3 18. a3 Nac7 19. Ne4 Qd3 20. Re3 Qd8 21. Bh3
Ng7 22. g4 Nce6 23. Rae1 Nd4 24. Nfg5 Nc2 25. Bxg7 Bxg7 26. Nf6+ exf6 27. Qxh7+
Kf8 28. exf6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.27"]
[Round "6.27"]
[White "Andraschko, Felix"]
[Black "Hummel, Joop"]
[Result "1-0"]
[WhiteElo "2103"]
[BlackElo "2030"]
[ECO "D30"]
[Opening "QGD Slav"]
[WhiteFideId "24628174"]
[BlackFideId "1012126"]
[EventDate "2011.12.21"]

1. Nf3 d5 2. d4 e6 3. c4 c6 4. e3 Nf6 5. Nbd2 Nbd7 6. Bd3 Bd6 7. O-O O-O 8. e4
dxe4 9. Nxe4 Nxe4 10. Bxe4 c5 11. Bc2 cxd4 12. Qd3 f5 13. Qxd4 Qc7 14. Rd1 Bc5
15. Qc3 Nf6 16. Be3 Bxe3 17. Qxe3 Ng4 18. Qe2 e5 19. h3 e4 20. hxg4 exf3 21.
Qxf3 fxg4 22. Bxh7+ Kxh7 23. Qxf8 g3 24. fxg3 Bg4 25. Qd6 Qf7 26. Qd5 Qg6 27.
Re1 Rf8 28. Qe4 Bf5 29. Qh4+ Kg8 30. c5 Qc6 31. Qc4+ Kh7 32. Rad1 Rf6 33. Qd5
Qc7 34. Qe5 Qf7 35. Rf1 Qh5 36. Rd4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.1"]
[White "Rapport, Richard"]
[Black "Zherebukh, Yaroslav"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2534"]
[BlackElo "2594"]
[ECO "A87"]
[Opening "Dutch"]
[Variation "Leningrad, main variation"]
[WhiteFideId "738590"]
[BlackFideId "14116804"]
[EventDate "2011.12.21"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. c4 O-O 6. O-O d6 7. Nc3 Qe8 8. Nd5
Nxd5 9. cxd5 h6 10. Qb3 Qf7 11. Bd2 a5 12. Rfc1 a4 13. Qc4 c6 14. e3 e6 15. dxc6
bxc6 16. Bb4 Rd8 17. Ba3 Bb7 18. Nd2 Bf8 19. Qe2 d5 20. Bxf8 Qxf8 21. f4 Nd7 22.
Nf3 Rdc8 23. Qd2 Ba6 24. Rc2 Bc4 25. Bf1 Bxf1 26. Rxf1 c5 27. dxc5 Rxc5 28. Rxc5
Qxc5 29. Rc1 Qb6 30. Nd4 Rb8 31. b3 axb3 32. axb3 Nc5 33. Qc3 Ne4 34. Qc7 Qxc7
35. Rxc7 g5 36. Kg2 g4 37. Rc6 Kf7 38. Rc7+ Kf6 39. Rh7 Kg6 40. Rc7 Kf6 41. Rc6
Kf7 42. Rc2 h5 43. Kf1 Ra8 44. b4 Ra1+ 45. Kg2 Rb1 46. b5 Ke7 47. Rc7+ Kd6 48.
Rc6+ Kd7 49. Rxe6 Rb2+ 50. Kg1 Rb1+ 51. Kg2 Rb2+ 52. Kg1 Rb1+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.2"]
[White "Tiviakov, Sergei"]
[Black "Bok, Benjamin"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2650"]
[BlackElo "2513"]
[ECO "C63"]
[Opening "Ruy Lopez"]
[Variation "Schliemann defence, Berger variation"]
[WhiteFideId "1008013"]
[BlackFideId "1017063"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 6. Nxf6+ Qxf6 7. Qe2 Be7
8. Bxc6 bxc6 9. Nxe5 Qe6 10. Nc4 Qxe2+ 11. Kxe2 O-O 12. d3 Bf6 13. Rb1 d5 14.
Ne3 Bd7 15. f3 Rae8 16. Kf2 Rf7 17. Bd2 Bh4+ 18. g3 Be7 19. c3 Ref8 20. f4 g5
21. Rhg1 Kh8 22. Ng2 Bf5 23. Ke2 Bg4+ 24. Ke1 Bf5 25. Be3 Bxd3 26. Rd1 Be4 27.
fxg5 Bf3 28. Rd3 Re8 29. Kd2 Be4 30. Rd4 Rb8 31. Kc1 Ba3 32. Rxe4 Rxb2 33. Bd4+
Kg8 34. Re8+ Rf8 35. Rxf8+ Kxf8 36. Kd1 c5 37. Be3 Rxa2 38. Rf1+ Ke8 39. Rf2
Ra1+ 40. Ke2 a5 41. Rf6 Bb2 42. Bxc5 Bxc3 43. Ra6 d4 44. Nf4 Re1+ 45. Kd3 Rd1+
46. Kc4 Rd2 47. h4 Kd7 48. Ne6 Rg2 49. Nxd4 Bxd4 50. Bxd4 Rxg3 51. Rh6 a4 52.
Rxh7+ Kc6 53. Rxc7+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.3"]
[White "Hess, Robert L"]
[Black "Romanov, Evgeny"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2625"]
[BlackElo "2627"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "2022036"]
[BlackFideId "4148843"]
[EventDate "2011.12.21"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Na3 Be7 7. Nb5 Na6 8. Be2
O-O 9. O-O Bd7 10. c4 Qc6 11. Ne5 Qc8 12. Nxd7 Qxd7 13. Be3 Rfd8 14. dxc5 Bxc5
15. Qxd7 Rxd7 16. Rfd1 Bxe3 17. fxe3 Nb4 18. Bf3 Nc6 19. Nd6 Rb8 20. c5 Kf8 21.
Rab1 Ne5 22. b4 Ke7 23. Rdc1 b6 24. Nb5 bxc5 25. bxc5 Nd5 26. c6 Nxc6 27. Rxc6
Nxe3 28. Rb3 Nd5 29. Bxd5 exd5 30. Ra6 Rbb7 31. Nd4 Kf8 32. Kf2 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.4"]
[White "Ernst, Sipke"]
[Black "Kovchan, Alexander"]
[Result "0-1"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2593"]
[BlackElo "2573"]
[ECO "A45"]
[Opening "Trompovsky attack (Ruth, Opovcensky opening)"]
[WhiteFideId "1004689"]
[BlackFideId "14103052"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. Bg5 Ng8 3. Bc1 Nf6 4. Bg5 Ne4 5. Bf4 d5 6. e3 c6 7. Bd3 Qb6 8. Bxe4
dxe4 9. Nd2 Nd7 10. Nxe4 Qxb2 11. Ne2 Qb4+ 12. Nd2 g6 13. O-O Bg7 14. Bc7 b6 15.
c4 Ba6 16. Qc2 Rc8 17. Bg3 e5 18. Rab1 Qa3 19. Rb3 Qe7 20. Qb2 Bb7 21. Qa3 Qxa3
22. Rxa3 Ra8 23. Ne4 Bf8 24. c5 f5 25. Ng5 Be7 26. Ne6 Kf7 27. Nc7 Rac8 28. Rxa7
Rxc7 29. dxe5 Rcc8 30. Rxb7 Nxc5 31. Rxb6 Ne6 32. Rfb1 Rhd8 33. h3 Rd2 34. R6b2
Rcd8 35. Nc3 g5 36. Kf1 f4 37. exf4 gxf4 38. Bh2 Bc5 39. Rxd2 Rxd2 40. Ne4 Rc2
41. g4 Bd4 42. Rb7+ Kf8 43. Rb8+ Ke7 44. Rb7+ Kf8 45. Kg2 Bxe5 46. h4 h6 47. Rb6
Ke7 48. a3 c5 49. Rb7+ Kf8 50. Rb5 Ke7 51. Ra5 Bd4 52. Ra7+ Kf8 53. Ra6 Ke7 54.
Kf3 Be5 55. Ra7+ Kf8 56. g5 h5 57. Ra5 Nd4+ 58. Kg2 Re2 59. Nc3 f3+ 60. Kh3 Bxh2
61. Kxh2 Rxf2+ 62. Kg1 Rg2+ 63. Kf1 Nf5 64. Ra8+ Kf7 65. g6+ Kg7 66. Ra7+ Kh6
67. Ke1 f2+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.5"]
[White "Poetsch, Hagen"]
[Black "Ruck, Robert"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2408"]
[BlackElo "2579"]
[ECO "B14"]
[Opening "Caro-Kann"]
[Variation "Panov-Botvinnik attack, 5...e6"]
[WhiteFideId "24615137"]
[BlackFideId "705713"]
[EventDate "2011.12.21"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 exd5 8.
Bd3 O-O 9. O-O Bg4 10. Bg5 Bxc3 11. bxc3 Nbd7 12. Rc1 Qa5 13. Qb3 Ne4 14. Bf4
Rac8 15. Qxb7 Rxc3 16. Rxc3 Qxc3 17. Bxe4 dxe4 18. Ne5 Nxe5 19. dxe5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.6"]
[White "Durarbeyli, Vasif"]
[Black "Naroditsky, Daniel"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2539"]
[BlackElo "2472"]
[ECO "A05"]
[Opening "Reti opening"]
[WhiteFideId "13402935"]
[BlackFideId "2026961"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. g3 O-O 5. Bg2 d5 6. c4 c6 7. O-O Bg4 8. d3
Bxf3 9. Bxf3 Re8 10. Bg2 e5 11. Na3 a5 12. cxd5 Nxd5 13. Nc4 Nd7 14. Qd2 Bf8 15.
Ba3 Bxa3 16. Nxa3 Qe7 17. Nc4 a4 18. Rab1 axb3 19. axb3 N7f6 20. Rb2 Qb4 21. Qc2
Nd7 22. Rc1 Nf8 23. h4 h5 24. Nd2 Ne6 25. e3 Ra5 26. Nc4 Rc5 27. Qd1 b5 28. Rcc2
Rd8 29. Nd2 Rxc2 30. Qxc2 Qc3 31. Bxd5 Qxc2 32. Rxc2 Rxd5 33. Nf3 c5 34. Ne1 e4
35. dxe4 Rd1 36. Kf1 Rb1 37. Rc3 b4 38. Rd3 c4 39. bxc4 Nc5 40. Rd8+ Kg7 41. e5
b3 42. Ke2 b2 43. Rb8 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.7"]
[White "Michiels, Bart"]
[Black "Hoffmann, Michael1"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2492"]
[BlackElo "2499"]
[ECO "E32"]
[Opening "Nimzo-Indian"]
[Variation "classical variation"]
[WhiteFideId "202967"]
[BlackFideId "4601297"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. Nf3 dxc4 8.
Qxc4 b6 9. g3 Bb7 10. Bg2 Nbd7 11. O-O c5 12. Bf4 Bd5 13. Qc3 Bb7 14. Qc4 Bd5
15. Qc3 Bb7 16. Qd3 Be4 17. Qd2 c4 18. Ne5 Bxg2 19. Kxg2 b5 20. Rad1 Nd5 21. e4
Nxf4+ 22. Qxf4 Nxe5 23. Qxe5 Rb8 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.8"]
[White "Plat, Vojtech"]
[Black "Brandenburg, Daan"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2425"]
[BlackElo "2519"]
[ECO "E94"]
[Opening "King's Indian"]
[Variation "orthodox variation"]
[WhiteFideId "325740"]
[BlackFideId "1011014"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4
Re8 9. f3 c6 10. Be3 d5 11. cxd5 Nxd5 12. Nxd5 cxd5 13. Rc1 dxe4 14. fxe4 Bxd4
15. Bxd4 Nc6 16. Bf6 Qxd1 17. Rfxd1 Be6 18. a3 Rac8 19. b4 Nb8 20. Bf3 Rxc1 21.
Rxc1 Rc8 22. Rxc8+ Bxc8 23. Kf2 Kf8 24. Ke3 Be6 25. e5 b6 26. Bd8 Bd7 27. Bc7
Nc6 28. h4 h5 29. b5 Na5 30. a4 Ke8 31. Kf4 Nb3 32. Bb8 Nc5 33. Bxa7 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.9"]
[White "Michalik, Peter"]
[Black "Kuipers, Stefan"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2509"]
[BlackElo "2396"]
[ECO "C06"]
[Opening "French"]
[Variation "Tarrasch, closed variation, main line"]
[WhiteFideId "14907526"]
[BlackFideId "1018400"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4
f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. exf6+ Nxf6 12. Ng6+ hxg6 13. Qxh8 Kf7 14. Qh4 e5
15. Nf3 Nxf3+ 16. gxf3 Bf5 17. Bxf5 gxf5 18. Bg5 Rc8 19. O-O Be7 20. Rfe1 Qd6
21. Qg3 e4 22. fxe4 fxe4 23. Rac1 Rc6 24. Qxd6 Bxd6 25. Rxc6 bxc6 26. f3 exf3
27. Bxf6 Kxf6 28. Kf2 Bxh2 29. Rc1 Be5 30. b4 Kf5 31. Kxf3 g5 32. Rxc6 d4 33.
Ra6 g4+ 34. Ke2 Ke4 35. Rxa7 d3+ 36. Kd1 g3 37. Ra8 Kd4 38. b5 Kc5 39. Rg8 Bc7
40. a4 Kb4 41. Rg4+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.10"]
[White "Duijker, Rick"]
[Black "Thesing, Matthias"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2204"]
[BlackElo "2409"]
[ECO "B42"]
[Opening "Sicilian"]
[Variation "Kan, 5.Bd3"]
[WhiteFideId "1010565"]
[BlackFideId "4600720"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O Qc7 7. Qe2 d6 8. c4
g6 9. Nc3 Bg7 10. Nf3 O-O 11. Bf4 Nh5 12. Bg5 Bxc3 13. bxc3 e5 14. Nh4 Be6 15.
g3 Nd7 16. f4 exf4 17. gxf4 Nb6 18. Nf5 f6 19. Bh6 Rfc8 20. Ne3 Nxc4 21. f5 Nxe3
22. fxe6 Nxf1 23. Rxf1 Qc5+ 24. Kh1 Qe5 25. Bc4 Kh8 26. Bd5 Rxc3 27. Bc1 Rac8
28. Bb2 b5 29. a3 Kg7 30. Qd2 a5 31. Bxc3 Rxc3 32. Rc1 b4 33. axb4 axb4 34. Rxc3
bxc3 35. Qf2 Nf4 36. Qa7+ Kh6 37. Qe3 c2 38. Qc1 Kg7 39. e7 Nxd5 40. e8=N+ Qxe8 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.11"]
[White "Firat, Burak"]
[Black "Heemskerk, Wim"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2393"]
[BlackElo "2264"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "6305881"]
[BlackFideId "1001000"]
[EventDate "2011.12.21"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 c5 7. cxd5 exd5 8. b3
Nc6 9. Bb2 Bg4 10. Ne5 Bf5 11. Nxc6 bxc6 12. Nc3 Re8 13. Rc1 Rc8 14. Na4 cxd4
15. Qxd4 Bd6 16. Qxa7 Rxe2 17. Bxf6 gxf6 18. Qa6 Qe8 19. Nc3 Re6 20. Nxd5 Ra8
21. Qxc6 Qxc6 22. Rxc6 Rxa2 23. Ne3 Rxe3 24. fxe3 Rxg2+ 25. Kxg2 Be4+ 26. Kg1
Bxc6 27. Rxf6 Bd5 28. Rxd6 Bxb3 29. Kf2 Kg7 30. Kf3 Ba2 31. Kf4 Bb3 32. h4 h6
33. g4 Bc4 34. g5 hxg5+ 35. Kxg5 Be2 36. h5 f6+ 37. Rxf6 Bxh5 38. e4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.12"]
[White "Galoyan, Levon"]
[Black "Klein, David"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2231"]
[BlackElo "2378"]
[ECO "E00"]
[Opening "Queen's pawn game"]
[WhiteFideId "13302027"]
[BlackFideId "1003623"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 a6 6. e4 Qc7 7. Be2 Bb4 8. f3
O-O 9. O-O Nc6 10. Nc2 Be7 11. b3 b5 12. Bb2 bxc4 13. Bxc4 Ne5 14. Be2 Ng6 15.
g3 Bb7 16. Nd4 Rad8 17. Rc1 Qb8 18. Kg2 h5 19. Bd3 Qa8 20. Qe2 Bd6 21. Nd1 h4
22. Qe3 Rfe8 23. Nf2 Qb8 24. Ne2 e5 25. Bc4 Be7 26. Rfd1 d5 27. Bd3 Qa8 28. Bb1
Nh7 29. Rc7 Bg5 30. Qb6 Rb8 31. Qc5 Nf6 32. Nc3 d4 33. Na4 Nf8 34. Nb6 Qa7 35.
Nd7 Qxc5 36. Nxc5 Ne6 37. Nxe6 Rxe6 38. Bc1 Bxc1 39. Rdxc1 Ne8 40. R7c5 hxg3 41.
hxg3 Nd6 42. Bd3 Ree8 43. Ra5 Re7 44. b4 Ra8 45. Rcc5 f6 46. Ra3 Kf7 47. Rca5
Rb8 48. Bxa6 Bxa6 49. Rxa6 Nc4 50. Rb3 Ne3+ 51. Kg1 Rc7 52. Rb1 Rc2 53. Ra3 Rbc8
54. b5 Re2 55. b6 Rcc2 56. Ng4 Rg2+ 57. Kh1 Nxg4 58. fxg4 Rh2+ 59. Kg1 Rcg2+ 60.
Kf1 Rf2+ 61. Kg1 Rfg2+ 62. Kf1 Rf2+ 63. Kg1 Rfg2+ 64. Kf1 Rc2 65. Kg1 Rhg2+ 66.
Kh1 Rh2+ 67. Kg1 Rcg2+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.13"]
[White "De Jong, Migchiel"]
[Black "Clemens, Adrian"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2367"]
[BlackElo "2226"]
[ECO "B18"]
[Opening "Caro-Kann"]
[Variation "classical, Flohr variation"]
[WhiteFideId "1002848"]
[BlackFideId "1006487"]
[EventDate "2011.12.21"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh3 e6 7. Nf4 Bd6 8. c3
Nf6 9. h4 Bxf4 10. Bxf4 h6 11. h5 Bh7 12. Qb3 Nd5 13. Bd2 Qb6 14. Be2 O-O 15. c4
Qxb3 16. axb3 Nf6 17. O-O Rd8 18. Be3 Na6 19. Ra4 Nc7 20. Rfa1 a6 21. Ra5 Rac8
22. Nf1 Nce8 23. g4 Nd6 24. f3 Nfe8 25. Ng3 Nc7 26. Kf2 Bc2 27. Rc1 Bh7 28. b4
f6 29. Bf1 Nf7 30. f4 Nd6 31. g5 hxg5 32. fxg5 fxg5 33. Rxg5 Rf8+ 34. Kg1 Nf5
35. Nxf5 Rxf5 36. Rxf5 Bxf5 37. Be2 Ne8 38. Kf2 Nf6 39. Rg1 Kf7 40. Bf4 Rh8 41.
Be5 Rh7 42. Ke3 Nd7 43. Bf3 Nxe5 44. dxe5 g6 45. Rh1 gxh5 46. Rxh5 Rxh5 47.
Bxh5+ Ke7 48. Bf3 Kd7 49. b5 axb5 50. cxb5 Kc7 51. Kf4 cxb5 52. b4 Bd3 53. Kg5
b6 54. Kf6 Kd7 55. Kf7 Bc4 56. Be4 Bb3 57. Kf8 Ba2 58. Bf3 Bb3 59. Be2 Bc4 60.
Bh5 Kd8 61. Be8 Be2 62. Bc6 Kc7 63. Be4 Kd7 64. Kf7 Bf1 65. Kf6 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.14"]
[White "Cako, Laszlo"]
[Black "Van Assendelft, Floris"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2111"]
[BlackElo "2357"]
[ECO "B32"]
[Opening "Sicilian"]
[Variation "Labourdonnais-Loewenthal variation"]
[WhiteFideId "1008153"]
[BlackFideId "1010271"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8.
Qxf6 Nxf6 9. Bd3 d5 10. exd5 Nxd5 11. c3 Be6 12. Nd2 O-O-O 13. Bc4 Na5 14. O-O
Nxc4 15. Nxc4 f6 16. Ne3 Nf4 17. Re1 Nd3 18. Rd1 Nxc1 19. Rdxc1 Rd2 20. b3 Rhd8
21. Rd1 a5 22. Kf1 a4 23. Rxd2 Rxd2 24. bxa4 Rxa2 25. Rxa2 Bxa2 26. Nf5 g6 27.
Nd6+ Kd7 28. Ne4 Ke7 29. g3 Bd5 30. Nd2 Kd6 31. Ke2 Bc6 32. a5 Kc5 33. Kd3 Kb5
34. f4 exf4 35. gxf4 Kxa5 36. Kd4 Ka4 37. Nc4 Kb3 38. Ne3 Bf3 39. c4 Kb4 40.
Nc2+ Ka4 41. Kc5 g5 42. Nd4 g4 43. Nf5 h5 44. Kd4 Kb4 45. Nd6 h4 46. Nf5 g3 47.
hxg3 h3 48. g4 h2 49. Ng3 h1=Q 50. Nxh1 Bxh1 51. f5 Bf3 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.15"]
[White "Pijpers, Arthur"]
[Black "Ypma, Peter"]
[Result "1-0"]
[WhiteElo "2332"]
[BlackElo "2105"]
[ECO "B01"]
[Opening "Scandinavian"]
[Variation "Pytel-Wade variation"]
[WhiteFideId "1019554"]
[BlackFideId "1027255"]
[EventDate "2011.12.21"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Ne5 Nbd7 7. f4 Nb6 8. g4
Nbd5 9. g5 Nxc3 10. bxc3 Nd7 11. Bc4 e6 12. O-O Nxe5 13. fxe5 Qe7 14. Qf3 g6 15.
h4 h5 16. a4 Qd7 17. Qf6 Rh7 18. Bd3 Be7 19. Qf2 Rg7 20. Be3 Kd8 21. Be4 Ke8 22.
c4 Bd8 23. a5 a6 24. Rfd1 Rg8 25. Bd2 Kf8 26. Bb4+ Kg7 27. Bd6 Kh8 28. c5 Rg7
29. Rf1 Kg8 30. Qd2 Bc7 31. Rf6 Bd8 32. Raf1 Bxf6 33. gxf6 Rh7 34. Qg5 Qe8 35.
Rb1 Kh8 36. Kf2 Qg8 37. Ke3 Ra7 38. Kf4 Ra8 39. Qg3 Qd8 40. Rb6 Ra7 41. Qe1 Bd7
42. Qb4 Qc8 43. Bd3 Kg8 44. Qb1 Kh8 45. Kg5 Be8 46. Bxa6 Qd8 47. Bxb7 Rxb7 48.
a6 Qa8 49. Rxb7 Qxa6 50. Rb8 Rg7 51. Rxe8+ Rg8 52. Rxg8+ Kxg8 53. Kh6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.16"]
[White "Georgiadis, Nico"]
[Black "Maatman, Nick"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2316"]
[BlackElo "2029"]
[ECO "C19"]
[Opening "French"]
[Variation "Winawer, advance, poisoned pawn variation"]
[WhiteFideId "1300113"]
[BlackFideId "1040391"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. Bd3
Qc7 9. Ne2 dxc3 10. Qxg7 Rg8 11. Qxh7 Qxe5 12. Bf4 Qf6 13. h4 Nbc6 14. Bg5 Qe5
15. Qh6 d4 16. Qf6 Qxf6 17. Bxf6 Nd5 18. Bxd4 Nxd4 19. Nxd4 Rxg2 20. Be4 Rg4 21.
f3 Rg2 22. Bxd5 exd5 23. O-O-O Bd7 24. h5 Kf8 25. h6 Kg8 26. Rh5 Be6 27. f4 Kh7
28. Re5 Bg4 29. Rf1 Rd8 30. Re3 Kxh6 31. Rxc3 Rd7 32. Rc8 Kg7 33. Rc3 Kf6 34. f5
Ke5 35. Rd3 a6 36. Re1+ Kd6 37. Rd2 Rg3 38. Kb2 Rc7 39. Re8 Rc4 40. Rd8+ Ke5 41.
Nb3 Bf3 42. Rd7 f6 43. Rd3 Rg2 44. Nd2 Be4 45. Nxc4+ dxc4 46. Rd2 Rg3 47. Re7+
Kxf5 48. Rf2+ Rf3 49. Rxf3+ Bxf3 50. Kc3 Bc6 51. Kxc4 Kf4 52. Kd3 f5 53. Ke2 Kg5
54. Rf7 f4 55. Kf2 Kg4 56. Rf8 Kg5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.17"]
[White "Tarasova, Viktoriya"]
[Black "Lyell, Mark"]
[Result "1-0"]
[WhiteTitle "WIM"]
[BlackTitle "FM"]
[WhiteElo "2294"]
[BlackElo "2189"]
[ECO "E21"]
[Opening "Nimzo-Indian"]
[Variation "three knights variation"]
[WhiteFideId "4175840"]
[BlackFideId "402354"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. Nd2 h6 7. Bh4 c5 8. d5
exd5 9. cxd5 Bxc3 10. bxc3 Bxd5 11. e4 g5 12. Bg3 Nxe4 13. Nxe4 Bxe4 14. Bd6 Qf6
15. Qd2 Kd8 16. O-O-O Kc8 17. Re1 Bg6 18. g4 Nc6 19. Ba6+ Kd8 20. Bb7 Rc8 21.
Bxc6 Rxc6 22. Be5 Qf3 23. Bxh8 Qxg4 24. Qd5 Qf4+ 25. Qd2 Qf5 26. Kb2 Rd6 27.
Qxd6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.18"]
[White "Bijlsma, Nick"]
[Black "Thakur, Akash"]
[Result "0-1"]
[WhiteElo "2150"]
[BlackElo "2324"]
[ECO "C86"]
[Opening "Ruy Lopez"]
[Variation "Worrall attack, sharp line"]
[WhiteFideId "1007041"]
[BlackFideId "5008514"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. O-O O-O 8. c3
d5 9. d3 Re8 10. Re1 Bb7 11. Nbd2 Bf8 12. a3 h6 13. exd5 Nxd5 14. Ne4 Nf4 15.
Bxf4 exf4 16. Nfg5 Ne5 17. Qh5 Bd5 18. Bxd5 Qxd5 19. Qxh6 gxh6 20. Nf6+ Kg7 21.
Nxd5 Nxd3 22. Rxe8 Rxe8 23. Nf3 Nxb2 24. Nxc7 Rc8 25. Nxa6 Na4 26. Rb1 Nxc3 27.
Rb3 Bxa3 28. g3 Bc5 29. Nxc5 Rxc5 30. Nd4 fxg3 31. hxg3 Kf6 32. Kg2 Ke5 33. Nc2
Ke4 34. Ne3 Kd4 35. Kf3 Nd5 36. Nf5+ Kc4 37. Rb1 Rc6 38. Rc1+ Nc3 39. Ne3+ Kb3
40. Nd5 b4 41. Nxb4 Kxb4 42. Kg4 Rf6 43. f4 Rg6+ 44. Kf5 Ne2 45. Rb1+ Kc4 46.
Ra1 Nxg3+ 47. Ke5 Re6# 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.19"]
[White "Meng, Roger"]
[Black "Anurag, Mhamal"]
[Result "1-0"]
[WhiteElo "2283"]
[BlackElo "2222"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1000152"]
[BlackFideId "5024366"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. Nge2 e6 6. d4 b4 7. Na4 cxd4 8. Nxd4
Nf6 9. Qe2 Qa5 10. b3 d5 11. e5 Ne4 12. O-O Nc6 13. Nf3 Rc8 14. Bb2 Be7 15. h4
h6 16. Nh2 Qc7 17. Rac1 Nxe5 18. c4 bxc3 19. Nxc3 Nxc3 20. Bxc3 Bf6 21. Rfe1 Nd7
22. Bxf6 Qxc1 23. Bxg7 Rg8 24. Rxc1 Rxc1+ 25. Nf1 Rxg7 26. Qb2 Rxf1+ 27. Bxf1 e5
28. Qc1 Rg6 29. Qc7 Bc6 30. Bxa6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.20"]
[White "Vogel, Jaap"]
[Black "Nuri, Kambez"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2169"]
[BlackElo "2256"]
[ECO "E10"]
[Opening "Queen's pawn game"]
[WhiteFideId "1000764"]
[BlackFideId "1311433"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Nc3 O-O 7. Bg2 c6 8. O-O
Nbd7 9. Bf4 dxc4 10. a4 Nd5 11. Qc2 Nxf4 12. gxf4 Qc7 13. e3 Rb8 14. Ne4 b5 15.
Rfc1 Nb6 16. b3 cxb3 17. Qxb3 bxa4 18. Qc2 f6 19. Nc5 Bxc5 20. dxc5 Nd5 21. Rxa4
e5 22. fxe5 fxe5 23. Ng5 Bf5 24. e4 Qe7 25. h4 h6 26. Nf3 Bg4 27. Nh2 Nf6 28.
Qa2+ Rf7 29. Ra6 Rc8 30. Qd2 Rd8 31. Qa5 Rc8 32. Qd2 Rc7 33. Qd6 Qe8 34. Qd2 Bc8
35. Ra3 Nh5 36. Bf1 Be6 37. Rf3 Rxf3 38. Nxf3 Rd7 39. Qc3 Qg6+ 40. Kh1 Qxe4 41.
Bg2 Qf4 42. Re1 e4 43. Qe5 exf3 44. Qxe6+ Rf7 45. Bh3 Qxh4 46. Qg4 Qxg4 47. Bxg4
Nf4 48. Re3 Nd5 49. Rd3 Kf8 50. Bxf3 Rf5 51. Ra3 Nb4 52. Kg1 a5 53. Rc3 Ke7 54.
Kg2 Kf6 55. Rc4 Nd3 56. Bxc6 Ne1+ 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.21"]
[White "Van Overdam, Julian"]
[Black "Maris, Ivo"]
[Result "1-0"]
[WhiteElo "2244"]
[BlackElo "2022"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1015303"]
[BlackFideId "1028146"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 d5 5. Bb5 Ne7 6. exd5 exd5 7. Qe2 f6 8.
Bxc6+ bxc6 9. b3 Kf7 10. O-O Nf5 11. Qf2 c4 12. bxc4 Qa5 13. Bb2 Rb8 14. Nd1 Qc5
15. d4 Qxc4 16. g4 Nh6 17. h3 Ba6 18. Re1 Bb4 19. c3 Bd6 20. Ne5+ Bxe5 21. fxe5
Rhf8 22. g5 Ng8 23. Ne3 Qd3 24. Ba3 Rfe8 25. Nf5 Kg6 26. Nd6 Rf8 27. gxf6 Kh5
28. Re3 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.22"]
[White "Kerigan, Demre"]
[Black "Afek, Yochanan"]
[Result "1-0"]
[BlackTitle "IM"]
[WhiteElo "2192"]
[BlackElo "2301"]
[ECO "B38"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, Maroczy bind, 6.Be3"]
[WhiteFideId "6307841"]
[BlackFideId "2800462"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. Be2
d6 9. O-O Bd7 10. Re1 Qa5 11. Nb3 Qd8 12. Nd4 a6 13. Qd2 Qb8 14. f3 Rc8 15. Rec1
b5 16. Nxc6 Bxc6 17. cxb5 Bxb5 18. Nxb5 Rxc1+ 19. Rxc1 axb5 20. a3 Ne8 21. Rc6
Nc7 22. Rb6 Qe8 23. Qc1 Qd8 24. Bxb5 d5 25. Bd3 d4 26. Bd2 Nd5 27. Rc6 Ne3 28.
Ba6 e6 29. b3 Qg5 30. Rc8+ Rxc8 31. Qxc8+ Bf8 32. Bf1 Kg7 33. Qc7 Bxa3 34. b4
Qf6 35. Qa5 Bb2 36. Qc5 Nxf1 37. Bg5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.23"]
[White "Theulings, Paul-Peter"]
[Black "Pel, Bonno"]
[Result "0-1"]
[WhiteTitle "CM"]
[BlackTitle "FM"]
[WhiteElo "2128"]
[BlackElo "2292"]
[ECO "A04"]
[Opening "Reti opening"]
[WhiteFideId "1002899"]
[BlackFideId "1004760"]
[EventDate "2011.12.21"]

1. Nf3 g6 2. d4 Bg7 3. c4 d6 4. g3 e5 5. Nc3 Nc6 6. dxe5 Nxe5 7. Nxe5 Bxe5 8.
Bg2 c6 9. O-O Be6 10. Qd3 Qb6 11. Bd2 Ne7 12. e4 O-O 13. b3 f5 14. exf5 Bxf5 15.
Qe2 Rae8 16. Rac1 Bd4 17. Bh6 Rf7 18. Qd2 Be5 19. Be3 Qc7 20. f4 Bg7 21. Rfd1
Nc8 22. Re1 Rfe7 23. Bf2 Qa5 24. Rxe7 Rxe7 25. Bd4 Bxd4+ 26. Qxd4 Qa3 27. Qd2
Kf7 28. Re1 Qc5+ 29. Kh1 Rxe1+ 30. Qxe1 Qd4 31. h3 h5 32. Ne4 Bxe4 33. Qxe4 Qf2
34. Qf3 Qxa2 35. g4 hxg4 36. hxg4 Ne7 37. Qc3 Qf2 38. Bf3 Ke8 39. Qd3 Kd7 40. f5
gxf5 41. gxf5 Qh4+ 42. Kg2 Qg5+ 43. Kf2 Nxf5 44. Ke2 Qf4 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.24"]
[White "Rietveld, Renze"]
[Black "Dehn, Marcus"]
[Result "1-0"]
[WhiteElo "2264"]
[BlackElo "2134"]
[ECO "B15"]
[Opening "Caro-Kann"]
[Variation "Gurgenidze system"]
[WhiteFideId "1013998"]
[BlackFideId "4667093"]
[EventDate "2011.12.21"]

1. e4 g6 2. d4 c6 3. Nc3 d5 4. Nf3 Bg4 5. Be2 Bg7 6. e5 f6 7. exf6 exf6 8. O-O
Nh6 9. a4 a5 10. Ra3 O-O 11. Bf4 Nf7 12. Rb3 Ra7 13. Ne1 Bxe2 14. Nxe2 Nd7 15.
Nd3 Re8 16. Re1 Nf8 17. Bg3 Ne6 18. c3 b6 19. Nef4 Rae7 20. Nxe6 Rxe6 21. Rxe6
Rxe6 22. h3 Bf8 23. Qc2 Nd6 24. Bxd6 Bxd6 25. c4 Qe7 26. Kf1 Bb4 27. g3 dxc4 28.
Qxc4 Kg7 29. Kg2 c5 30. dxc5 Re4 31. Qd5 bxc5 32. Nf4 Re1 33. Rd3 Kh6 34. h4 f5
35. h5 c4 36. Qxc4 Qe4+ 37. Qxe4 fxe4 38. Rd5 g5 39. Ne6 Re2 40. g4 e3 41. Rf5
Be7 42. Rf7 Rxf2+ 43. Rxf2 exf2 44. Kxf2 Bb4 45. Kf3 Be1 46. Ke4 Bb4 47. Kf5 Bd2
48. Kf6 Bc1 49. b3 Bb2+ 50. Kf7 Bd4 51. Nd8 Bf6 52. Nc6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.25"]
[White "Meurs, Tom"]
[Black "Kappus, Stephan"]
[Result "1-0"]
[WhiteElo "2247"]
[BlackElo "2093"]
[ECO "B28"]
[Opening "Sicilian"]
[Variation "O'Kelly variation"]
[WhiteFideId "1021176"]
[BlackFideId "12906875"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 Nf6 7. O-O e6 8. Be3
cxd4 9. cxd4 Be7 10. Nc3 Qd8 11. Qb3 b5 12. h3 Bf5 13. Ne5 Nd5 14. Bf3 Nxe3 15.
fxe3 Ra7 16. Bh5 O-O 17. Nxf7 Qb6 18. Rxf5 g6 19. Nh6+ Kg7 20. Rxf8 Bxf8 21.
Bxg6 Kxh6 22. Rf1 Be7 23. Bb1 Bg5 24. Ne4 Rg7 25. Qd3 Nd7 26. Nxg5 Kxg5 27. Qe4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.28"]
[Round "7.26"]
[White "Sparenberg, Erik"]
[Black "Van Overdam, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2162"]
[BlackElo "2069"]
[ECO "B27"]
[Opening "Sicilian"]
[Variation "Hungarian variation"]
[WhiteFideId "1013262"]
[BlackFideId "1022741"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 g6 3. c4 Nc6 4. Nc3 Bg7 5. d3 d6 6. Be2 Bg4 7. O-O e6 8. Be3
Nge7 9. Qd2 O-O 10. Rab1 Bxf3 11. Bxf3 f5 12. Bg5 Nd4 13. Bd1 Qd7 14. a3 a6 15.
b4 b6 16. bxc5 bxc5 17. Ba4 Qc7 18. Bxe7 Qxe7 19. Rfe1 Qc7 20. exf5 gxf5 21. Ne2
Nxe2+ 22. Qxe2 Be5 23. Kh1 Rf6 24. f4 Bd4 25. Qf3 Rb8 26. Qc6 Rxb1 27. Qe8+ Kg7
28. Rxb1 Qa5 29. Bd7 Qd2 30. Bxe6 Kh6 31. Bf7 Qxf4 32. Qf8+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.1"]
[White "Hess, Robert L"]
[Black "Tiviakov, Sergei"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2625"]
[BlackElo "2650"]
[ECO "B01"]
[Opening "Scandinavian"]
[Variation "Pytel-Wade variation"]
[WhiteFideId "2022036"]
[BlackFideId "1008013"]
[EventDate "2011.12.21"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 g6 6. Nb5 Qd8 7. Bf4 Na6 8.
Na3 c6 9. c3 Nc7 10. Nc4 Bg7 11. Be5 O-O 12. a4 Ncd5 13. a5 Bh6 14. Be2 Nh5 15.
O-O Nhf4 16. Re1 Nxe2+ 17. Qxe2 Be6 18. Bg3 Rc8 19. Nce5 Bf5 20. Nd3 Bxd3 21.
Qxd3 e6 22. c4 Ne7 23. Qb3 b6 24. axb6 Qxb6 25. Qc3 Nf5 26. Be5 f6 27. c5 Qb7
28. Bg3 Rfe8 29. Qc4 Qd7 30. Ra4 Nxg3 31. hxg3 Rc7 32. Ra6 Kf7 33. Qa4 Rb8 34.
b4 Rb5 35. d5 Qxd5 36. Rxa7 Rxa7 37. Qxa7+ Kg8 38. Qe7 Rxb4 39. Ra1 Bf8 40. Ra8
Rb1+ 41. Kh2 Qh5+ 42. Nh4 Qh6 43. Qxe6+ Kh8 44. Qf7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.2"]
[White "Kovchan, Alexander"]
[Black "Rapport, Richard"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2573"]
[BlackElo "2534"]
[ECO "C18"]
[Opening "French"]
[Variation "Winawer, classical variation"]
[WhiteFideId "14103052"]
[BlackFideId "738590"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Qg4 f5 8. Qg3
Ne7 9. Qxg7 Rg8 10. Qxh7 cxd4 11. Ne2 Nbc6 12. Qh5+ Ng6 13. f4 dxc3 14. Be3 Bd7
15. Nd4 Nxd4 16. Bxd4 O-O-O 17. Qf3 Ba4 18. Qf2 Ne7 19. h4 Nc6 20. Bxc3 d4 21.
Bb2 Qa5+ 22. Qd2 Qd5 23. O-O-O Kb8 24. Kb1 Rd7 25. Rh3 Rc7 26. Rc1 Rgc8 27. c4
dxc3 28. Qxd5 cxb2 29. Rxc6 Rxc6 30. Qxc6 Rxc6 31. Bd3 Rc1+ 32. Kxb2 Rg1 33. Rh2
Rd1 34. Kc3 Rc1+ 35. Kd2 Rc8 36. h5 Kc7 37. h6 Rh8 38. g4 fxg4 39. h7 Be8 40.
Rh4 Kd8 41. Rxg4 Bf7 42. Rg7 Ke8 43. Bg6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.3"]
[White "Zherebukh, Yaroslav"]
[Black "Michiels, Bart"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2594"]
[BlackElo "2492"]
[ECO "D43"]
[Opening "QGD semi-Slav"]
[WhiteFideId "14116804"]
[BlackFideId "202967"]
[EventDate "2011.12.21"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Bd3
O-O 9. Qc2 Re8 10. O-O Nf8 11. Rae1 Ne4 12. Bf4 Bf5 13. a3 Bd6 14. Bxd6 Qxd6 15.
Nh4 Bd7 16. Bxe4 dxe4 17. f4 Qe7 18. Qf2 f5 19. g4 fxg4 20. f5 Bc8 21. f6 gxf6
22. Qxf6 Qxf6 23. Rxf6 Nd7 24. Rf5 Nb6 25. Rg5+ Kh8 26. Rf1 Be6 27. Nxe4 Rf8 28.
Re5 Rxf1+ 29. Kxf1 Rf8+ 30. Ke1 Bd5 31. Ng5 Rg8 32. e4 Nc4 33. Rf5 Bxe4 34. Nxe4
Re8 35. Ke2 Nd6 36. Rf8+ Rxf8 37. Nxd6 Kg7 38. b4 b6 39. a4 Kf6 40. Nc4 Ke6 41.
Ne3 a5 42. bxa5 bxa5 43. Nhg2 h5 44. Nc4 h4 45. Nxh4 Rh8 46. Ng2 Rxh2 47. Kf2
Kd5 48. Nxa5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.4"]
[White "Romanov, Evgeny"]
[Black "Plat, Vojtech"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2627"]
[BlackElo "2425"]
[ECO "A00"]
[Opening "Benko's opening"]
[WhiteFideId "4148843"]
[BlackFideId "325740"]
[EventDate "2011.12.21"]

1. g3 c5 2. Bg2 e6 3. c4 Nf6 4. Nf3 Be7 5. O-O Qc7 6. Nc3 a6 7. d4 cxd4 8. Qxd4
d6 9. Rd1 O-O 10. Bg5 Nc6 11. Qf4 Ne5 12. Rac1 h6 13. Bxf6 Bxf6 14. b3 Nxf3+ 15.
Qxf3 Rb8 16. Rc2 b5 17. Ne4 Be7 18. Qd3 Rd8 19. cxb5 Qa5 20. bxa6 d5 21. Qc3 Bb4
22. Qd4 Bxa6 23. Nc5 e5 24. Qe3 Rbc8 25. Nxa6 Rxc2 26. Nxb4 Qxb4 27. Bxd5 Kh8
28. Qxe5 Rxa2 29. Kg2 Qb6 30. Rd3 Ra5 31. Qe4 Ra7 32. Rf3 Kg8 33. h4 Qc5 34. Rf5
Qd6 35. h5 Re7 36. Qf3 Rdd7 37. Bc4 Qc7 38. Qa8+ Rd8 39. Qf3 Rdd7 40. e3 Rd2 41.
e4 Rdd7 42. Bd5 Qd6 43. Qc3 Rc7 44. Qd4 Kh7 45. e5 Qc5 46. Qe4 Kh8 47. e6 f6 48.
Rf3 Qd6 49. b4 Qb6 50. Ra3 Rc8 51. Qf5 Qb5 52. Ra5 Qe8 53. Be4 Qg8 54. Ra6 Rce8
55. b5 Rb8 56. Rd6 g6 57. hxg6 Kg7 58. b6 Qf8 59. Qd5 Qe8 60. Qb3 Qc8 61. Bc6
Kxg6 62. Qf3 f5 63. b7 Rbxb7 64. Bxb7 Qxb7 65. Qxb7 Rxb7 66. e7+ Kf7 67. Rxh6
Rb8 68. Rh7+ Kf6 69. Kf3 Re8 70. Rh6+ Kxe7 71. Kf4 Ra8 72. Rh5 Kf6 73. Rxf5+ Kg6
74. Kg4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.5"]
[White "Ruck, Robert"]
[Black "Michalik, Peter"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2579"]
[BlackElo "2509"]
[ECO "D37"]
[Opening "QGD"]
[Variation "classical variation (5.Bf4)"]
[WhiteFideId "705713"]
[BlackFideId "14907526"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Be7 5. Bf4 O-O 6. e3 Nbd7 7. c5 c6 8. Bd3 b6
9. b4 a5 10. a3 Ba6 11. O-O Qc8 12. h3 Qb7 13. Rb1 axb4 14. axb4 Ne4 15. Bxa6
Qxa6 16. Nxe4 dxe4 17. Nd2 f5 18. Qb3 Qa2 19. Qxa2 Rxa2 20. Nc4 b5 21. Nb6 Nf6
22. Ra1 Rb2 23. Ra7 Bd8 24. Bd6 Re8 25. Be5 Rxb4 26. Rfa1 Rb3 27. Rb7 Be7 28.
Raa7 Bf8 29. Nd7 Be7 30. Nxf6+ gxf6 31. Bd6 Bxd6 32. cxd6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.6"]
[White "Hoffmann, Michael1"]
[Black "Durarbeyli, Vasif"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2499"]
[BlackElo "2539"]
[ECO "E35"]
[Opening "Nimzo-Indian"]
[Variation "classical, Noa variation, 5.cd ed"]
[WhiteFideId "4601297"]
[BlackFideId "13402935"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8.
a3 Bxc3+ 9. Qxc3 Nc6 10. e3 O-O 11. Nf3 Re8 12. Be2 Bg4 13. O-O Qd6 14. Rfc1
Rac8 15. Qc5 Qd8 16. b4 Re6 17. Ra2 a6 18. Ne1 Bxe2 19. Rxe2 Ne7 20. Qa5 Nc6 21.
Qc5 Ne7 22. Rec2 Nf5 23. b5 axb5 24. Qxb5 b6 25. Nd3 Ne7 26. Nb4 Rd6 27. g3 h5
28. a4 c5 29. dxc5 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.7"]
[White "Bok, Benjamin"]
[Black "Poetsch, Hagen"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2513"]
[BlackElo "2408"]
[ECO "B90"]
[Opening "Sicilian"]
[Variation "Najdorf, Byrne (English) attack"]
[WhiteFideId "1017063"]
[BlackFideId "24615137"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. a4
Be7 9. Be2 Nbd7 10. a5 Nc5 11. Nd2 Be6 12. O-O O-O 13. Bf3 Rac8 14. Qe2 Qc6 15.
Rfd1 Rfd8 16. Bg5 Ncd7 17. Nf1 h6 18. Bxf6 Nxf6 19. Ne3 Qc4 20. Qd2 Nd7 21. Ncd5
Bg5 22. Qe2 Kf8 23. c3 Bxe3 24. Nxe3 Nf6 25. Rdc1 d5 26. b4 Qb5 27. Qxb5 axb5
28. exd5 Nxd5 29. Rd1 Nxe3 30. Rxd8+ Rxd8 31. fxe3 Rd7 32. Be2 Rc7 33. Bxb5 Rxc3
34. Bf1 Rxe3 35. b5 Ke7 36. a6 bxa6 37. bxa6 Bd5 38. a7 Ba8 39. Rc1 Ra3 40. Rc7+
Kd6 41. Rxf7 e4 42. Rxg7 e3 43. Rg6+ Kc5 44. Ra6 Rxa6 45. Bxa6 Kb6 46. Be2 Kxa7
47. Bf3 Bb7 48. Bxb7 Kxb7 49. Kf1 Kc6 50. Ke2 Kd5 51. Kxe3 Ke5 52. Kf3 Kf5 53.
h3 Kg5 54. Ke4 Kh4 55. Kf4 h5 56. g4 hxg4 57. hxg4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.8"]
[White "Naroditsky, Daniel"]
[Black "Firat, Burak"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "IM"]
[WhiteElo "2472"]
[BlackElo "2393"]
[ECO "B45"]
[Opening "Sicilian"]
[Variation "Taimanov variation"]
[WhiteFideId "2026961"]
[BlackFideId "6305881"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. g4 Nge7 7. Be3 Ng6 8. g5
Be7 9. h4 O-O 10. Qd2 Nxd4 11. Qxd4 Ne5 12. Be2 a6 13. f4 Nc6 14. Qd2 b5 15. Bf3
Bb7 16. Qf2 Qd7 17. Bg4 Qe8 18. O-O Na5 19. f5 f6 20. fxe6 fxg5 21. Qg2 gxh4 22.
Rxf8+ Bxf8 23. Rf1 Qg6 24. Rf7 b4 25. Nd5 Bxd5 26. exd5 Nc4 27. Bd4 Re8 28. Be2
Qxg2+ 29. Kxg2 Ne5 30. Bxe5 dxe5 31. Rd7 e4 32. d6 Bxd6 33. Rxd6 Kf8 34. Bc4 Rc8
35. Rd4 g5 36. Rxe4 Ke7 37. Bb3 h5 38. Rxb4 g4 39. Rb7+ Kf6 40. Rf7+ Kg6 41. c3
h3+ 42. Kg3 Rd8 43. Bc2+ Kg5 44. Rf5+ Kh6 45. e7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.9"]
[White "Thesing, Matthias"]
[Black "Ernst, Sipke"]
[Result "0-1"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2409"]
[BlackElo "2593"]
[ECO "A46"]
[Opening "Queen's pawn"]
[Variation "Torre attack"]
[WhiteFideId "4600720"]
[BlackFideId "1004689"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. d4 e6 3. Bg5 h6 4. Bxf6 Qxf6 5. Nbd2 d6 6. c3 Nd7 7. g3 g6 8. Bg2
Bg7 9. O-O O-O 10. a4 a5 11. Nc4 Qe7 12. e4 b6 13. Re1 Ba6 14. Bf1 Kh8 15. e5 d5
16. Ne3 Bxf1 17. Rxf1 c5 18. Qd3 Rac8 19. h4 Rc7 20. h5 g5 21. Nh2 f6 22. f4 g4
23. c4 cxd4 24. cxd5 Nxe5 25. fxe5 dxe3 26. d6 Qd7 27. Nxg4 Rc5 28. Qxe3 fxe5
29. Rxf8+ Bxf8 30. Rc1 Qxa4 31. Rxc5 bxc5 32. Qd2 Qd4+ 33. Qxd4 cxd4 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.10"]
[White "Brandenburg, Daan"]
[Black "Tarasova, Viktoriya"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "WIM"]
[WhiteElo "2519"]
[BlackElo "2294"]
[ECO "C95"]
[Opening "Ruy Lopez"]
[Variation "closed, Breyer, Borisenko variation"]
[WhiteFideId "1011014"]
[BlackFideId "4175840"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. b3
Bg7 16. d5 Rc8 17. Rb1 c6 18. c4 Qc7 19. Bd3 bxc4 20. bxc4 Nc5 21. Bf1 a5 22.
Ba3 Nfd7 23. Qd2 Rb8 24. Nh2 h5 25. Nf3 Bf6 26. h4 cxd5 27. cxd5 Ba6 28. Rbc1
Bxf1 29. Nxf1 Qd8 30. g3 Qb6 31. Rc3 Rec8 32. Qc2 Qd8 33. N1d2 Be7 34. Rc1 Rb5
35. Nb3 Bf8 36. Nxc5 Nxc5 37. Rb1 Rxb1+ 38. Qxb1 Rb8 39. Qc2 Qe8 40. Kg2 f6 41.
Nd2 a4 42. Nc4 Nb7 43. Nb2 Ra8 44. Rc4 f5 45. exf5 Qf7 46. fxg6 Qxd5+ 47. Kh2
Qf3 48. Rc3 Qf6 49. Rc7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.11"]
[White "Van Assendelft, Floris"]
[Black "Pijpers, Arthur"]
[Result "0-1"]
[WhiteTitle "FM"]
[WhiteElo "2357"]
[BlackElo "2332"]
[ECO "B70"]
[Opening "Sicilian"]
[Variation "dragon variation"]
[WhiteFideId "1010271"]
[BlackFideId "1019554"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Bg7 7. O-O Nc6 8. Nb3
O-O 9. Re1 b6 10. Nd5 Bb7 11. Bf1 Rc8 12. Bg5 Nd7 13. c3 Nc5 14. Nd4 Re8 15. Rc1
h6 16. Bh4 a6 17. b4 Nxd4 18. bxc5 Bxd5 19. cxd4 Bb7 20. Qb3 Bxd4 21. Bc4 Rf8
22. cxb6 g5 23. Bg3 Qxb6 24. Qd3 Bg7 25. Rb1 Qa5 26. Rec1 Ba8 27. h4 gxh4 28.
Bxh4 Qe5 29. Re1 a5 30. Bd5 Bf6 31. Bxf6 Qxf6 32. Bxa8 Rxa8 33. Rb5 Kh8 34. g3
a4 35. Kg2 Rg8 36. Rf5 Qe6 37. Qd5 Kg7 38. Qd4+ Kh7 39. a3 Rg6 40. Rb1 Rg4 41.
Rbb5 Qxe4+ 42. Qxe4 Rxe4 43. Kf3 Re1 44. Rxf7+ Kg6 45. Rf4 Ra1 46. Rg4+ Kf7 47.
Rf4+ Ke8 48. Rb7 Rxa3+ 49. Kg2 Ra5 50. Re4 Re5 51. Rxe5 dxe5 52. Rb6 e4 53. Rxh6
e3 54. f4 e2 55. Re6 Ra2 56. Kf2 a3 57. Ra6 Ra1 58. Kxe2 a2 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.12"]
[White "Kuipers, Stefan"]
[Black "Meng, Roger"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2396"]
[BlackElo "2283"]
[ECO "B16"]
[Opening "Caro-Kann"]
[Variation "Bronstein-Larsen variation"]
[WhiteFideId "1018400"]
[BlackFideId "1000152"]
[EventDate "2011.12.21"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Qd5 7. Ne2 Bg4 8.
Qb3 Qxb3 9. axb3 Be6 10. Ra3 Nd7 11. Nf4 Bf5 12. Ra5 e5 13. dxe5 fxe5 14. Bd3
Bxd3 15. Nxd3 Bd6 16. O-O a6 17. Re1 O-O-O 18. f4 f6 19. f5 Bc7 20. Ra1 Rhg8 21.
Be3 Rg7 22. Nf2 Rdg8 23. g3 h5 24. Ne4 h4 25. Kg2 Rh8 26. Kf3 hxg3 27. hxg3 Rh5
28. Rh1 Rxf5+ 29. Ke2 Kd8 30. Rad1 Ke7 31. Rh8 b6 32. Bh6 Rf7 33. Rc8 Bb8 34. g4
Rf4 35. Bxf4 exf4 36. Rxd7+ Kxd7 37. Rxb8 Kc7 38. Rb7+ Kxb7 39. Nd6+ Kc7 40.
Nxf7 Kd7 41. Kf3 Ke6 42. Nh8 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.13"]
[White "Klein, David"]
[Black "Maatman, Nick"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2378"]
[BlackElo "2029"]
[ECO "C05"]
[Opening "French"]
[Variation "Tarrasch, closed variation"]
[WhiteFideId "1003623"]
[BlackFideId "1040391"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 cxd4 7. cxd4 Nc6 8. Ndf3
a5 9. Bd3 a4 10. Ne2 Nb6 11. O-O Be7 12. Kh1 O-O 13. g4 f6 14. Ng3 fxe5 15. fxe5
Bd7 16. Nh5 g6 17. Nf6+ Bxf6 18. exf6 Qxf6 19. Bh6 Rfe8 20. Ng5 Qxd4 21. Qf3 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.14"]
[White "Nuri, Kambez"]
[Black "De Jong, Migchiel"]
[Result "1-0"]
[WhiteTitle "FM"]
[BlackTitle "IM"]
[WhiteElo "2256"]
[BlackElo "2367"]
[ECO "B42"]
[Opening "Sicilian"]
[Variation "Kan, 5.Bd3"]
[WhiteFideId "1311433"]
[BlackFideId "1002848"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O e5 7. Bg5 d6 8. Nf5
Bxf5 9. Bxf6 gxf6 10. exf5 d5 11. c4 dxc4 12. Bxc4 Qxd1 13. Rxd1 Nc6 14. Nc3 Rc8
15. Nd5 Be7 16. Rac1 Rg8 17. Nb6 Rd8 18. Rxd8+ Bxd8 19. Nc8 Bc7 20. Bxa6 bxa6
21. Na7 Kd7 22. Nxc6 Bd6 23. Na5 Rg4 24. Nc4 Rd4 25. Kf1 Bc7 26. Ke2 h5 27. b3
Rf4 28. Ne3 Bb6 29. Rd1+ Kc6 30. g3 Re4 31. Rc1+ Kb5 32. a4+ Kb4 33. Kf3 Bxe3
34. fxe3 Rg4 35. Rc6 a5 36. Rb6+ Kc3 37. e4 Kd3 38. Rd6+ Kc3 39. Rxf6 Kxb3 40.
Rxf7 Kxa4 41. Rb7 Rg8 42. f6 Ka3 43. f7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.15"]
[White "Thakur, Akash"]
[Black "Galoyan, Levon"]
[Result "1-0"]
[BlackTitle "FM"]
[WhiteElo "2324"]
[BlackElo "2231"]
[ECO "B30"]
[Opening "Sicilian"]
[Variation "Nimzovich-Rossolimo attack (without ...d6)"]
[WhiteFideId "5008514"]
[BlackFideId "13302027"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 4. d4 a6 5. Be2 cxd4 6. Nxd4 d6 7. c4 Nf6 8. Nc3
e6 9. O-O Be7 10. b4 Nc6 11. a3 O-O 12. Be3 Qc7 13. Rc1 Nxd4 14. Bxd4 b6 15. Qd3
Rb8 16. Qg3 Bb7 17. e5 Ne8 18. Rfd1 f6 19. f4 dxe5 20. fxe5 f5 21. Qf2 Ba8 22.
Na4 Bd8 23. Bxb6 Rxb6 24. Rxd8 Rxb4 25. axb4 Qxd8 26. Ra1 Qg5 27. h4 Qe7 28. Nc5
Qc7 29. Nxe6 Qxe5 30. Nxf8 Kxf8 31. Qc5+ Qxc5+ 32. bxc5 Ke7 33. Bf3 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.16"]
[White "Van Overdam, Julian"]
[Black "Georgiadis, Nico"]
[Result "1/2-1/2"]
[BlackTitle "FM"]
[WhiteElo "2244"]
[BlackElo "2316"]
[ECO "B23"]
[Opening "Sicilian"]
[Variation "closed"]
[WhiteFideId "1015303"]
[BlackFideId "1300113"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nc3 g6 3. f4 Nc6 4. Nf3 Bg7 5. Bb5 Nd4 6. O-O Nxb5 7. Nxb5 d5 8.
exd5 a6 9. Nc3 Nf6 10. d4 c4 11. Qe2 Nxd5 12. Qxc4 Be6 13. Qe2 Nxc3 14. bxc3 Rc8
15. Qe3 Bd5 16. Bd2 O-O 17. Ne5 e6 18. a4 b6 19. Rab1 Qc7 20. Rb2 Rb8 21. Rfb1
Rfc8 22. Qe2 a5 23. Be1 f6 24. Nd3 Bf8 25. Ra1 Bd6 26. Bd2 Qc6 27. Rbb1 Re8 28.
Re1 Bc7 29. Qf2 Rf8 30. Re2 Rbe8 31. Qh4 Qd7 32. Nb2 Bc6 33. Rae1 Qd5 34. Qh3 e5
35. fxe5 fxe5 36. dxe5 Rxe5 37. Rxe5 Bxe5 38. Nd3 Bg7 39. Qg4 Bd7 40. Qe4 Qxe4
41. Rxe4 Rc8 42. Kf2 Bxc3 43. Ke1 Bf5 44. Rf4 Bg7 45. Kd1 Rd8 46. Ke2 Rd6 47.
Rc4 Be6 48. Bf4 Bxc4 49. Bxd6 Bd5 50. Bc7 Bd4 51. Nf4 Bf7 52. Kd3 Bg1 53. Ne2
Bc5 54. Nc3 g5 55. Bd8 g4 56. Kd2 Be8 57. Bc7 Bc6 58. h3 h5 59. hxg4 hxg4 60. g3
Kf7 61. Kd3 Ke6 62. Kc4 Kd7 63. Bf4 Bg2 64. Nd5 Kc6 65. Ne3 Bf3 66. Nf5 Be4 67.
Ne3 Bxe3 68. Bxe3 Bxc2 69. Bf4 Bxa4 70. Bg5 Bd1 71. Bd8 Bf3 72. Kc3 Bd5 73. Kd4
Bg8 74. Ke3 Kb5 75. Bc7 Ka6 76. Kd4 Bf7 77. Bd8 Kb7 78. Kc3 Be6 79. Kd4 Kc6 80.
Kc3 Kb5 81. Bc7 Kc6 82. Bd8 Kb5 83. Be7 Ka6 84. Kd4 b5 85. Kc5 b4 86. Bd8 b3 87.
Bf6 a4 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.17"]
[White "Clemens, Adrian"]
[Black "Pel, Bonno"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2226"]
[BlackElo "2292"]
[ECO "A41"]
[Opening "Queen's Pawn"]
[WhiteFideId "1006487"]
[BlackFideId "1004760"]
[EventDate "2011.12.21"]

1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 e5 5. e4 Nc6 6. Bg5 f6 7. Be3 Nh6 8. dxe5
dxe5 9. Qxd8+ Kxd8 10. O-O-O+ Bd7 11. h3 Kc8 12. c5 Be6 13. Nd2 Nf7 14. Bc4 Ncd8
15. c6 bxc6 16. Ba6+ Kd7 17. Nb3+ Nd6 18. Nc5+ Ke7 19. N3a4 Bf7 20. b3 Be8 21.
Be2 a5 22. g3 N8f7 23. Na6 Rc8 24. N4c5 f5 25. exf5 Nxf5 26. Bd2 Bh6 27. Bxh6
N7xh6 28. Rhe1 Nf7 29. Bc4 Kf6 30. Nd7+ Bxd7 31. Rxd7 N5d6 32. Bf1 Rhd8 33. Rxc7
Rxc7 34. Nxc7 Rc8 35. Na6 c5 36. Bg2 c4 37. b4 axb4 38. Nxb4 Rc5 39. Nd5+ Ke6
40. Nc3 Nf5 41. g4 Nh4 42. Bh1 g5 43. Be4 h6 44. Kc2 Nd6 45. Rb1 Ra5 46. Rb6 Kd7
47. Kb2 Kc7 48. Rc6+ Kd7 49. Rb6 Kc7 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.18"]
[White "Heemskerk, Wim"]
[Black "Meurs, Tom"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2264"]
[BlackElo "2247"]
[ECO "A07"]
[Opening "Reti"]
[Variation "King's Indian attack (Barcza system)"]
[WhiteFideId "1001000"]
[BlackFideId "1021176"]
[EventDate "2011.12.21"]

1. Nf3 d5 2. g3 Bg4 3. Bg2 c6 4. c4 Nd7 5. cxd5 cxd5 6. Nc3 e6 7. Qa4 Bh5 8. Ne5
Bd6 9. Nxd7 Qxd7 10. Qxd7+ Kxd7 11. e4 d4 12. Nb5 Bc5 13. b4 Bb6 14. e5 Ne7 15.
Bb2 Nc6 16. Bxc6+ Kxc6 17. Nxd4+ Bxd4 18. Bxd4 Kd5 19. Bc3 Bf3 20. O-O g5 21. h3
h5 22. Rfe1 g4 23. h4 Rac8 24. Re3 Kc4 25. Rb1 Rhd8 26. Kf1 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.19"]
[White "Ypma, Peter"]
[Black "Rietveld, Renze"]
[Result "1-0"]
[WhiteElo "2105"]
[BlackElo "2264"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1027255"]
[BlackFideId "1013998"]
[EventDate "2011.12.21"]

1. e4 c5 2. c3 g6 3. Nf3 Bg7 4. d4 cxd4 5. cxd4 d5 6. e5 Nc6 7. h3 Nh6 8. Nc3
O-O 9. Bb5 f6 10. exf6 exf6 11. O-O Qd6 12. b3 Be6 13. Na4 Nf5 14. Nc5 Bc8 15.
Ba3 Rf7 16. Re1 a6 17. Re8+ Rf8 18. Rxf8+ Bxf8 19. Nxb7 Qxa3 20. Bxc6 Ne7 21.
Qc2 Bf5 22. Bxd5+ Nxd5 23. Qc6 Nf4 24. Nd6 Qxd6 25. Qxa8 Be6 26. Qe4 Bd5 27. Qe3
Qc6 28. Qxf4 Bd6 29. Qe3 a5 30. Rc1 Qd7 31. Qc3 Bb4 32. Qc8+ Qxc8 33. Rxc8+ Kg7
34. Rc7+ Kh6 35. Ra7 g5 36. Nh2 Kg6 37. Ng4 h5 38. Ne3 Be4 39. d5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.20"]
[White "Duijker, Rick"]
[Black "Cako, Laszlo"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2204"]
[BlackElo "2111"]
[ECO "C85"]
[Opening "Ruy Lopez"]
[Variation "Exchange variation doubly deferred (DERLD)"]
[WhiteFideId "1010565"]
[BlackFideId "1008153"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. Qe1 Nd7 8.
b3 c5 9. Bb2 f6 10. Nc3 Nb8 11. Nd5 Bd6 12. Nh4 Nc6 13. f4 O-O 14. fxe5 Nxe5 15.
d3 Qe8 16. Nf5 Bxf5 17. Rxf5 Ng4 18. h3 Nh6 19. Rf3 Be5 20. Bc3 Rd8 21. Ne3 Nf7
22. Ng4 Bxc3 23. Qxc3 Ne5 24. Nxe5 Qxe5 25. Qxe5 fxe5 26. Raf1 g6 27. a3 a5 28.
a4 Kg7 29. g4 Rxf3 30. Rxf3 c6 31. Kf2 b5 32. axb5 cxb5 33. Ke2 Ra8 34. Rf1 a4
35. bxa4 Rxa4 36. Kd2 Ra2 37. Kc3 Ra3+ 38. Kb2 b4 39. Ra1 Rc3 40. Ra4 Kf6 41. h4
h6 42. Ra6+ Kf7 43. Rc6 Kg7 44. g5 h5 45. Re6 c4 46. Rc6 cxd3 47. Rxc3 bxc3+ 48.
Kxc3 dxc2 49. Kxc2 Kf7 50. Kb3 Ke6 51. Kc4 Kd6 52. Kb5 Ke7 53. Kc5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.21"]
[White "Lyell, Mark"]
[Black "Kerigan, Demre"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[WhiteElo "2189"]
[BlackElo "2192"]
[ECO "B08"]
[Opening "Pirc"]
[Variation "classical system, 5.Be2"]
[WhiteFideId "402354"]
[BlackFideId "6307841"]
[EventDate "2011.12.21"]

1. e4 d6 2. Nc3 g6 3. d4 Nf6 4. Nf3 Bg7 5. Be2 O-O 6. O-O c5 7. d5 Na6 8. Nd2
Nc7 9. a4 e6 10. Nc4 Nxe4 11. Nxe4 exd5 12. Bg5 f6 13. Bf4 dxe4 14. Bxd6 Rf7 15.
Bxc5 Rd7 16. Qb1 Rd5 17. Rd1 Be6 18. Ne3 Rxd1+ 19. Qxd1 b6 20. Ba3 f5 21. Qe1
Qg5 22. g3 f4 23. Nc4 Rd8 24. c3 Bd5 25. Rd1 h5 26. Bd6 Ne6 27. h4 Qf5 28. gxf4
Bxc4 29. Bxc4 Qg4+ 30. Kf1 Qh3+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.22"]
[White "Bijlsma, Nick"]
[Black "Anurag, Mhamal"]
[Result "1-0"]
[WhiteElo "2150"]
[BlackElo "2222"]
[ECO "C77"]
[Opening "Ruy Lopez"]
[Variation "Wormald (Alapin) attack"]
[WhiteFideId "1007041"]
[BlackFideId "5024366"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. d3 d6 8. c3 Bb6
9. Bg5 h6 10. Bh4 g5 11. Bg3 Bg4 12. h3 Bh5 13. Nbd2 Bg6 14. Bh2 Rb8 15. a3 Kf8
16. Nf1 Nh5 17. N3d2 Nf4 18. Bxf4 gxf4 19. h4 h5 20. g3 Qf6 21. Qf3 Kg7 22.
O-O-O a5 23. gxf4 exf4 24. Nb1 Ne5 25. Qe2 f3 26. Qd2 d5 27. d4 Nc4 28. Bxc4
bxc4 29. Ng3 dxe4 30. Rde1 Rhe8 31. Nf1 c6 32. Qd1 Bc7 33. Ne3 Bf4 34. Nd2 Qe6
35. Qa4 c5 36. d5 Bxe3 37. dxe6 Bxd2+ 38. Kxd2 Rxb2+ 39. Ke3 fxe6 40. Qd7+ Kf6
41. Rhg1 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.23"]
[White "Andraschko, Felix"]
[Black "Vogel, Jaap"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2103"]
[BlackElo "2169"]
[ECO "C05"]
[Opening "French"]
[Variation "Tarrasch, closed variation"]
[WhiteFideId "24628174"]
[BlackFideId "1000764"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 a5 8. O-O
cxd4 9. cxd4 Nb6 10. Nf3 Bd7 11. a3 a4 12. Nf4 g6 13. Nh3 h6 14. Nf4 Bg7 15. Bd2
Nc8 16. Bc3 N8e7 17. Re1 Qb6 18. Qe2 Na7 19. Bb4 Bb5 20. Bc5 Qa6 21. Bxe7 Kxe7
22. Qd2 Rhc8 23. Rac1 Bxd3 24. Nxd3 Nc6 25. Rc2 Ke8 26. Rec1 Bf8 27. Nb4 Qb5 28.
Ne1 Ne7 29. Rxc8+ Rxc8 30. Rxc8+ Nxc8 31. Qc3 Kd8 32. Qd3 Qb6 33. Nec2 Ne7 34.
g4 Nc6 35. Nxc6+ bxc6 36. Qc3 c5 37. Kg2 cxd4 38. Qd3 Bc5 39. Nb4 Bxb4 40. axb4
Qxb4 41. Qa6 d3 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.24"]
[White "Maris, Ivo"]
[Black "Sparenberg, Erik"]
[Result "0-1"]
[WhiteElo "2022"]
[BlackElo "2162"]
[ECO "D43"]
[Opening "QGD semi-Slav"]
[WhiteFideId "1028146"]
[BlackFideId "1013262"]
[EventDate "2011.12.21"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 O-O 7. Bd3 Nbd7 8. O-O
b6 9. Qc2 Bb7 10. Ne5 h6 11. Bh4 Nxe5 12. dxe5 Ng4 13. Bg3 Qb8 14. cxd5 cxd5 15.
f4 Nxe3 16. Qe2 Nxf1 17. Rxf1 Qd8 18. Bb1 g6 19. h4 Bxh4 20. Qg4 Bxg3 21. Qxg3
Kg7 22. f5 exf5 23. Rxf5 Rc8 24. Rf6 Rc6 25. Nxd5 Qxd5 26. Bxg6 Rxf6 27. Be4+
Rg6 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.25"]
[White "Kappus, Stephan"]
[Black "Dehn, Marcus"]
[Result "1/2-1/2"]
[WhiteElo "2093"]
[BlackElo "2134"]
[ECO "B06"]
[Opening "Robatsch (modern) defence"]
[WhiteFideId "12906875"]
[BlackFideId "4667093"]
[EventDate "2011.12.21"]

1. e4 g6 2. d4 c6 3. Nf3 d5 4. Nc3 Bg4 5. Be2 Bg7 6. Be3 dxe4 7. Nxe4 Nh6 8. Ng3
Nf5 9. Nxf5 Bxf5 10. Qd2 Nd7 11. O-O e5 12. Bh6 Bxh6 13. Qxh6 e4 14. Ne5 Nxe5
15. dxe5 Qc7 16. Qg7 O-O-O 17. Rad1 Rhg8 18. Qf6 Rge8 19. Bc4 Rxd1 20. Rxd1 Qxe5
21. Qxe5 Rxe5 22. Bxf7 e3 23. fxe3 Bxc2 24. Rd2 Bf5 25. Kf2 Be6 26. Bxe6+ Rxe6
27. Kf3 Kc7 28. Kf4 h6 29. h4 c5 30. g4 Rd6 31. Rc2 Rc6 32. h5 g5+ 33. Kf5 Kd7
34. e4 b5 35. e5 c4 36. a3 a5 37. Ke4 Ke6 38. Rf2 b4 39. axb4 axb4 40. Rf6+ Kd7
41. Rxc6 Kxc6 42. Kd4 c3 43. bxc3 bxc3 44. Kxc3 Kd5 45. e6 Kxe6 46. Kd4 Kd6 47.
Ke4 Ke6 48. Kd4 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.29"]
[Round "8.26"]
[White "Van Overdam, Jan"]
[Black "Theulings, Paul-Peter"]
[Result "1-0"]
[BlackTitle "CM"]
[WhiteElo "2069"]
[BlackElo "2128"]
[ECO "B02"]
[Opening "Alekhine's defence"]
[Variation "Saemisch attack"]
[WhiteFideId "1022741"]
[BlackFideId "1002899"]
[EventDate "2011.12.21"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. d4 Bg7 7. Nf3 O-O 8. Bd3
c5 9. O-O Qa5 10. Bd2 dxe5 11. fxe5 Nc6 12. Qe1 Qd8 13. Qh4 cxd4 14. cxd4 e6 15.
Bg5 f6 16. exf6 Bxf6 17. c3 Bd7 18. Bxf6 Qxf6 19. Ng5 Qg7 20. Bc4 Rxf1+ 21. Rxf1
Nd8 22. d5 Qe7 23. dxe6 Bxe6 24. Nxe6 Qxh4 25. Rf8# 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.1"]
[White "Zherebukh, Yaroslav"]
[Black "Kovchan, Alexander"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2594"]
[BlackElo "2573"]
[ECO "B35"]
[Opening "Sicilian"]
[Variation "accelerated fianchetto, modern variation with Bc4"]
[WhiteFideId "14116804"]
[BlackFideId "14103052"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8.
O-O O-O 9. Nb3 Qc7 10. Be2 a6 11. f4 d6 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.2"]
[White "Ruck, Robert"]
[Black "Hess, Robert L"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2579"]
[BlackElo "2625"]
[ECO "A30"]
[Opening "English"]
[Variation "symmetrical, hedgehog system"]
[WhiteFideId "705713"]
[BlackFideId "2022036"]
[EventDate "2011.12.21"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 c5 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 Nc6 8. e4 e5
9. Nd5 O-O 10. d3 d6 11. Nxe7+ Qxe7 12. Nh4 Nd4 13. f4 Rfb8 14. Rf1 Bc8 15. f5
b5 16. cxb5 Rxb5 17. Nf3 Nxf3+ 18. Qxf3 d5 19. exd5 Bb7 20. Qe2 Qd7 21. Bg5 Bxd5
22. Bxf6 gxf6 23. Be4 Rb4 24. Rac1 Rd8 25. b3 Qc6 26. Rfe1 Rd4 27. Rc2 Bxe4 28.
dxe4 Qb6 29. Kg2 Qb4 30. Qg4+ Kf8 31. Ree2 Rd2 32. Qf3 Rxc2 33. Rxc2 Rd4 34. Kh3
Rxe4 35. Rxc5 Rh4+ 36. gxh4 Qxc5 37. Qa8+ Ke7 38. Qb7+ Kd6 39. Qb8+ Kd5 40. Qb7+
Kd4 41. Qxf7 Ke4 42. Qxf6 Qc3+ 43. Kg2 Qd2+ 44. Kg3 Qe3+ 45. Kg2 Qe2+ 46. Kg1
Qd1+ 47. Kg2 Qg4+ 48. Kf2 Qf4+ 49. Kg2 Qd2+ 50. Kg3 Qf4+ 51. Kg2 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.3"]
[White "Tiviakov, Sergei"]
[Black "Naroditsky, Daniel"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2650"]
[BlackElo "2472"]
[ECO "B22"]
[Opening "Sicilian"]
[Variation "Alapin's variation (2.c3)"]
[WhiteFideId "1008013"]
[BlackFideId "2026961"]
[EventDate "2011.12.21"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 Qc7 8. Qe2
g5 9. e6 dxe6 10. Nxg5 Qe5 11. d4 cxd3 12. Bxd3 Qxe2+ 13. Bxe2 h6 14. Ne4 e5 15.
Ng3 Be6 16. Nd2 O-O-O 17. O-O Nd5 18. Nf3 Nf4 19. Bb5 f6 20. Bxf4 exf4 21. Ne2
Bg4 22. Nxf4 e5 23. Ne2 Bxf3 24. gxf3 Rd2 25. b4 a6 26. Bc4 b5 27. Be6+ Kc7 28.
Rfe1 Be7 29. Ng3 Rhd8 30. Kg2 a5 31. a3 Kb6 32. h4 Rb2 33. Ra2 Rxa2 34. Bxa2 Rd2
35. Bg8 Rc2 36. Re3 Bf8 37. Rd3 Rc1 38. Bd5 Ra1 39. Bxc6 Kxc6 40. bxa5 Rxa3 41.
Rd8 Be7 42. Ra8 Kd7 43. Nf5 Ke6 44. Nxh6 Rxc3 45. h5 Rc7 46. Ng8 Kf5 47. h6 Kg6
48. a6 Bc5 49. Rb8 b4 50. Kf1 Kh7 51. Rb7 Rxb7 52. axb7 Bd6 53. Nxf6+ Kxh6 54.
Ke2 Kg6 55. Ne4 Bb8 56. Kd3 Kf5 57. Kc4 Kf4 58. Nd2 Bd6 59. Kd5 Bb8 60. Kc4 Bd6
61. Kb3 Kf5 62. Nc4 Bb8 63. Kxb4 e4 64. fxe4+ Kxe4 65. Kc5 Kf3 66. Kc6 Kxf2 67.
Kd7 Kf3 68. Kc8 Bf4 69. Na3 Ke4 70. Nb5 Kd5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.4"]
[White "Rapport, Richard"]
[Black "Romanov, Evgeny"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2534"]
[BlackElo "2627"]
[ECO "E46"]
[Opening "Nimzo-Indian"]
[Variation "Reshevsky variation"]
[WhiteFideId "738590"]
[BlackFideId "4148843"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne2 d5 6. a3 Be7 7. cxd5 Nxd5 8. Bd2
Nd7 9. g3 N5b6 10. Bg2 e5 11. O-O exd4 12. Nxd4 Ne5 13. b4 Nec4 14. Nce2 Nxd2
15. Qxd2 a5 16. b5 a4 17. Qc2 Bd6 18. Nf4 g6 19. Nd3 Qe7 20. Qc3 Re8 21. Rfe1
Nd7 22. e4 Qf8 23. f4 Nc5 24. Nb4 Ne6 25. Ndc2 c6 26. e5 Bc5+ 27. Kh1 Nd8 28.
bxc6 bxc6 29. Rac1 Bb6 30. Nd4 Bb7 31. Qc4 Rc8 32. Ne2 Ne6 33. Nc3 Nc5 34. f5
gxf5 35. Qf4 Re6 36. Qxf5 Qg7 37. Ne4 Nxe4 38. Rxe4 Rd8 39. Rg4 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.5"]
[White "Durarbeyli, Vasif"]
[Black "Bok, Benjamin"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "IM"]
[WhiteElo "2539"]
[BlackElo "2513"]
[ECO "C78"]
[Opening "Ruy Lopez"]
[Variation "5.O-O"]
[WhiteFideId "13402935"]
[BlackFideId "1017063"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8
9. d4 Bb6 10. a5 Ba7 11. h3 O-O 12. Be3 Ra8 13. Nbd2 Bb7 14. Re1 Re8 15. Qc2 h6
16. d5 Ne7 17. c4 c6 18. cxb5 cxd5 19. Bxa7 Rxa7 20. b6 Ra8 21. exd5 Nexd5 22.
Bc4 Nf4 23. Bf1 Rc8 24. Qa4 e4 25. Nd4 Nd7 26. b4 Rc3 27. Re3 Rxe3 28. fxe3 Nd5
29. Nc4 N7f6 30. b5 Nc3 31. Qa3 Nfd5 32. Nxd6 Qg5 33. Qc1 Re7 34. Nxb7 Rxb7 35.
bxa6 Rd7 36. b7 Rd8 37. a7 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.6"]
[White "Ernst, Sipke"]
[Black "Hoffmann, Michael1"]
[Result "1/2-1/2"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2593"]
[BlackElo "2499"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "modern exchange variation"]
[WhiteFideId "1004689"]
[BlackFideId "4601297"]
[EventDate "2011.12.21"]

1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8.
Rb1 O-O 9. Be2 Nc6 10. d5 Ne5 11. Nxe5 Bxe5 12. Qd2 e6 13. f4 Bg7 14. c4 Re8 15.
e5 f6 16. d6 fxe5 17. Bb2 exf4 18. Bxg7 Kxg7 19. O-O Rf8 20. Rxf4 Rxf4 21. Qxf4
Qf6 22. Qd2 b6 23. d7 Bb7 24. Rd1 Qd4+ 25. Qxd4+ cxd4 26. Rxd4 Rd8 27. Bg4 Kf7
28. Bh3 Ke7 29. Rh4 h5 30. g4 hxg4 31. Rxg4 Kf6 32. Rd4 Ke7 33. Rg4 Kf6 34. Rd4
Ke7 35. Rg4 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.7"]
[White "Michiels, Bart"]
[Black "Brandenburg, Daan"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[BlackTitle "GM"]
[WhiteElo "2492"]
[BlackElo "2519"]
[ECO "A57"]
[Opening "Benko gambit"]
[WhiteFideId "202967"]
[BlackFideId "1011014"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 Bb7 5. a4 Qa5+ 6. Bd2 b4 7. Qc2 g6 8. e4 d6
9. Bd3 Bg7 10. O-O Nbd7 11. h3 O-O 12. Be3 Rae8 13. Nbd2 h6 14. Rfe1 e5 15. g4
Kh8 16. Nf1 Bc8 17. Ng3 Ng8 18. Kg2 Ndf6 19. Rh1 Ne7 20. Rag1 Nfg8 21. b3 Bd7
22. Kf1 Qd8 23. Rg2 Qc8 24. Rhg1 Nf6 25. Qc1 Kh7 26. Nf5 Bxf5 27. gxf5 Rh8 28.
h4 Kg8 29. Nh2 Kf8 30. f4 Nd7 31. Nf3 Nxf5 32. exf5 e4 33. fxg6 f5 34. Be2 exf3
35. Bxf3 Nf6 36. h5 Ne4 37. Re2 Bf6 38. Bxe4 Rxe4 39. Qc2 Kg7 40. Rgg2 Rhe8 41.
Bc1 Bd4 42. Qd3 Qd8 43. Rxe4 Rxe4 44. Qh3 Qe7 45. Bd2 Be3 46. Qxf5 Rxf4+ 47.
Qxf4 Bxf4 48. Bxf4 Qe4 49. Bxh6+ Kxh6 50. g7 Qb1+ 51. Kf2 Qc2+ 52. Kf1 Qd1+ 53.
Kf2 Qd4+ 54. Ke2 Qe5+ 55. Kf1 Qf6+ 56. Ke2 Qb2+ 57. Kf1 Qc1+ 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.8"]
[White "Pijpers, Arthur"]
[Black "Klein, David"]
[Result "0-1"]
[BlackTitle "FM"]
[WhiteElo "2332"]
[BlackElo "2378"]
[ECO "C95"]
[Opening "Ruy Lopez"]
[Variation "closed, Breyer, Borisenko variation"]
[WhiteFideId "1019554"]
[BlackFideId "1003623"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4
Bg7 16. d5 Qb8 17. b3 c6 18. c4 bxc4 19. bxc4 Nc5 20. a5 Qc7 21. Be3 Nfd7 22.
Qd2 cxd5 23. cxd5 Rab8 24. Rec1 Rec8 25. Ne1 Ba8 26. Nd3 Qd8 27. Nxc5 Nxc5 28.
Bxc5 Rxc5 29. Bd3 Rxc1+ 30. Rxc1 Bf6 31. Qc3 Bg5 32. Rc2 Bb7 33. Rb2 Rc8 34. Qb4
Rc1+ 35. Kh2 Bc8 36. Qb6 Kg7 37. Bxa6 Bxa6 38. Qxa6 Ra1 39. Rb5 Qf6 40. Qb6 Qf4
41. Rb1 Rxb1 42. Qxb1 Qxf2 43. Nf1 Bd8 44. a6 Bb6 45. Nd2 Bc5 46. Nf3 Qe3 47.
Qb7 h6 48. Qb8 Qf4+ 49. Kh1 Qc1+ 50. Kh2 Qa1 51. Qb7 Be3 52. Kg3 Qa2 53. Kh2 Qa1
54. Kg3 Qf1 55. Qb2 Bf4+ 56. Kh4 Qxa6 57. g3 g5+ 58. Kh5 Qf1 59. gxf4 Qxf3# 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.9"]
[White "Michalik, Peter"]
[Black "Nuri, Kambez"]
[Result "1-0"]
[WhiteTitle "GM"]
[BlackTitle "FM"]
[WhiteElo "2509"]
[BlackElo "2256"]
[ECO "B52"]
[Opening "Sicilian"]
[Variation "Canal-Sokolsky attack, Sokolsky variation"]
[WhiteFideId "14907526"]
[BlackFideId "1311433"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. O-O Bg7 8.
d4 cxd4 9. Nxd4 O-O 10. h3 Rc8 11. b3 d5 12. exd5 Nxd5 13. Nxd5 e6 14. Nc3 Qxd4
15. Qxd4 Bxd4 16. Bd2 a6 17. Rac1 Nc6 18. Rfd1 Rd8 19. Ne4 f6 20. b4 a5 21. b5
Nb4 22. Bxb4 axb4 23. c5 Rac8 24. Rc4 f5 25. Rdxd4 Rxd4 26. Rxd4 fxe4 27. Rd7
Rxc5 28. Rxb7 b3 29. axb3 Rc3 30. b4 Rb3 31. Kf1 Rxb4 32. Ke2 e5 33. b6 Rb2+ 34.
Ke3 Kh8 35. Kxe4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.10"]
[White "Plat, Vojtech"]
[Black "Kuipers, Stefan"]
[Result "1-0"]
[WhiteTitle "IM"]
[BlackTitle "FM"]
[WhiteElo "2425"]
[BlackElo "2396"]
[ECO "D11"]
[Opening "QGD Slav"]
[Variation "4.e3"]
[WhiteFideId "325740"]
[BlackFideId "1018400"]
[EventDate "2011.12.21"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. d4 Bg4 5. Nc3 e6 6. h3 Bh5 7. Qb3 Qb6 8. Ne5
Nfd7 9. Qxb6 axb6 10. g4 Bg6 11. cxd5 Nxe5 12. dxe5 cxd5 13. f4 Nc6 14. Bb5
O-O-O 15. O-O f5 16. Bd2 fxg4 17. hxg4 h5 18. gxh5 Rxh5 19. Rac1 Bb4 20. Be2 Rh3
21. Rf3 Rxf3 22. Bxf3 Bf5 23. a3 Bxc3 24. Bxc3 g5 25. b4 gxf4 26. exf4 Kd7 27.
Kf2 Ra8 28. b5 Na7 29. Be2 Rh8 30. a4 Rh2+ 31. Ke3 Rh3+ 32. Kd2 Nc8 33. Rg1 Rh7
34. Bd4 Kc7 35. Rg3 Kb8 36. a5 bxa5 37. b6 Ne7 38. Bc5 Ng6 39. Rc3 Kc8 40. Be7+
Kd7 41. Bb5+ Kxe7 42. Rc7+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.11"]
[White "Poetsch, Hagen"]
[Black "Thakur, Akash"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2408"]
[BlackElo "2324"]
[ECO "C51"]
[Opening "Evans gambit"]
[Variation "Cordel variation"]
[WhiteFideId "24615137"]
[BlackFideId "5008514"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na5 7. Be2 d6 8. Qa4+
c6 9. dxe5 dxe5 10. Nxe5 b5 11. Qc2 Qc7 12. Nf3 Nf6 13. O-O O-O 14. Bg5 Ng4 15.
Bxe7 Qxe7 16. Nbd2 a6 17. h3 Ne5 18. Nd4 c5 19. N4b3 Nec6 20. f4 f5 21. Bf3 c4
22. Nxa5 Nxa5 23. Rae1 Bb7 24. Kh1 Rad8 25. exf5 Qd7 26. Ne4 Qxf5 27. Bg4 Bxe4
28. Rxe4 Rd2 29. Qxd2 Qxe4 30. Qd6 Qa8 31. Bf3 Qd8 32. Qxa6 Qd3 33. Rd1 Qxc3 34.
Qxb5 Qa3 35. Qe5 Qa4 36. Rd5 Nc6 37. Qe6+ Kh8 38. Rf5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.12"]
[White "Tarasova, Viktoriya"]
[Black "Thesing, Matthias"]
[Result "0-1"]
[WhiteTitle "WIM"]
[BlackTitle "IM"]
[WhiteElo "2294"]
[BlackElo "2409"]
[ECO "E21"]
[Opening "Nimzo-Indian"]
[Variation "three knights variation"]
[WhiteFideId "4175840"]
[BlackFideId "4600720"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 Bxc3+ 6. bxc3 Qa5 7. Bd2 b6 8. Bg2
Bb7 9. O-O O-O 10. Qb3 h6 11. Rfd1 Qa6 12. Bf4 Rc8 13. Rac1 Nc6 14. Ne5 Na5 15.
Qb5 Qxb5 16. cxb5 Bxg2 17. Kxg2 g5 18. Bd2 d6 19. Nd3 Nc4 20. h4 Ne4 21. Be1 a6
22. dxc5 bxc5 23. bxa6 Rxa6 24. Rc2 Rca8 25. Ra1 f5 26. Kh2 Kf7 27. f3 Nf6 28.
Bd2 Kg6 29. Nf2 Ra4 30. hxg5 hxg5 31. Bc1 e5 32. Nd1 f4 33. Nf2 R4a7 34. Kg2 Rh8
35. Bd2 Rah7 36. Rh1 Rxh1 37. Nxh1 Nd5 38. Kg1 Rb8 39. gxf4 Rb1+ 40. Kh2 Nde3 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.13"]
[White "Firat, Burak"]
[Black "Van Overdam, Julian"]
[Result "1/2-1/2"]
[WhiteTitle "IM"]
[WhiteElo "2393"]
[BlackElo "2244"]
[ECO "E11"]
[Opening "Bogo-Indian defence, Gruenfeld variation"]
[WhiteFideId "6305881"]
[BlackFideId "1015303"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 d5 5. e3 O-O 6. Be2 Nbd7 7. O-O Be7 8. b3
c5 9. Bb2 cxd4 10. Nxd4 Nc5 11. N2f3 Qb6 12. Rc1 Bd7 13. Ne5 Rfd8 14. cxd5 Nxd5
15. Nxd7 Rxd7 16. Bb5 Rdd8 17. Qe2 Bf6 18. Rfd1 Rac8 19. Bc4 a6 20. Qg4 Nd7 21.
Bf1 Ne5 22. Qe4 Rxc1 23. Rxc1 Nc6 24. Rd1 Ndb4 25. a3 Nxd4 26. axb4 Ne2+ 27.
Bxe2 Rxd1+ 28. Bxd1 Bxb2 29. Bf3 a5 30. bxa5 Qxa5 31. g3 b6 32. h4 Ba3 33. h5
Bf8 34. Kg2 Qb4 35. Qd3 Qd6 36. Qe4 Qb4 37. Qd3 Qd6 38. Qe4 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.14"]
[White "Clemens, Adrian"]
[Black "Van Assendelft, Floris"]
[Result "0-1"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2226"]
[BlackElo "2357"]
[ECO "E11"]
[Opening "Bogo-Indian defence, Nimzovich variation"]
[WhiteFideId "1006487"]
[BlackFideId "1010271"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Ne4 7. O-O Nxd2 8.
Nbxd2 Bxd2 9. Qxd2 d6 10. Qc3 Nc6 11. d5 Nd8 12. dxe6 Nxe6 13. b4 Bd7 14. Nh4
Nf4 15. gxf4 Qxh4 16. Qg3 Qf6 17. b5 Rae8 18. e3 b6 19. Qf3 Bf5 20. Qc6 Bd3 21.
Rfd1 Qg6 22. Kh1 Be4 23. Bxe4 Qxe4+ 24. Qxe4 Rxe4 25. Rac1 a5 26. a4 f5 27. Kg2
Kf7 28. Kf3 Rfe8 29. h4 R8e6 30. Rd5 Kf6 31. Rc2 Re7 32. Rc1 g6 33. Rc3 h6 34.
Rd1 g5 35. fxg5+ hxg5 36. hxg5+ Kxg5 37. Rcc1 Kf6 38. Rc3 Rh4 39. Rdc1 Ke5 40.
Rd1 Rh3+ 41. Kg2 Reh7 42. Rcc1 Rh2+ 43. Kf3 R7h3+ 44. Ke2 f4 45. exf4+ Kxf4 46.
c5 bxc5 47. b6 cxb6 48. Rxd6 Re3+ 49. Kf1 Rh1+ 50. Kg2 Rxc1 51. fxe3+ Kxe3 52.
Rxb6 Ra1 53. Rb5 c4 54. Rxa5 c3 55. Rc5 Kd4 56. Rc8 Rxa4 57. Kf2 Kd3 58. Rd8+
Rd4 59. Rxd4+ Kxd4 60. Ke1 Ke3 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.15"]
[White "Georgiadis, Nico"]
[Black "Duijker, Rick"]
[Result "1-0"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2316"]
[BlackElo "2204"]
[ECO "C65"]
[Opening "Ruy Lopez"]
[Variation "Berlin defence"]
[WhiteFideId "1300113"]
[BlackFideId "1010565"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Qe2 Bd6 5. c3 O-O 6. d3 h6 7. Nbd2 a6 8. Ba4
b5 9. Bc2 Re8 10. Nf1 Bc5 11. Ng3 d5 12. h3 Be6 13. Be3 Bxe3 14. Qxe3 d4 15. Qd2
Qd6 16. Bb3 dxc3 17. bxc3 Rad8 18. Rd1 b4 19. O-O bxc3 20. Qxc3 Nd4 21. Nxd4
exd4 22. Qc2 c5 23. Rb1 Rc8 24. Bc4 Nd7 25. f4 Nb6 26. e5 Qc7 27. Bxe6 Rxe6 28.
Nf5 Nd5 29. Qc4 Rd8 30. Rbc1 Nc3 31. Nxd4 Rxd4 32. Qxc3 Qd8 33. Qxc5 Rxd3 34.
Rf2 g6 35. f5 gxf5 36. Rxf5 Rd1+ 37. Rxd1 Qxd1+ 38. Kh2 Qd3 39. Rf3 Qe4 40. Qc8+
Kg7 41. Rg3+ Rg6 42. Rxg6+ Qxg6 43. Qg4 Qxg4 44. hxg4 f6 45. exf6+ Kxf6 46. Kg3
Ke5 47. Kh4 Kf4 48. a3 a5 49. a4 Ke5 50. g5 hxg5+ 51. Kxg5 Kd4 52. g4 Kc4 53.
Kf5 Kb4 54. g5 Kxa4 55. g6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.16"]
[White "Meng, Roger"]
[Black "Ypma, Peter"]
[Result "1/2-1/2"]
[WhiteElo "2283"]
[BlackElo "2105"]
[ECO "C15"]
[Opening "French"]
[Variation "Winawer, Alekhine (Maroczy) gambit"]
[WhiteFideId "1000152"]
[BlackFideId "1027255"]
[EventDate "2011.12.21"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 Nf6 5. e5 Ne4 6. a3 Nxc3 7. bxc3 Be7 8. Nf4
c5 9. Qg4 g6 10. h4 h5 11. Qg3 c4 12. Rb1 Nc6 13. Be2 Rb8 14. Rh3 Kd7 15. Qf3
Kc7 16. g3 b5 17. Rh1 Bd7 18. Nh3 Be8 19. Ng5 Qd7 20. Qf4 a5 21. g4 hxg4 22.
Bxg4 b4 23. axb4 axb4 24. h5 Bxg5 25. Qxg5 bxc3 26. Rxb8 Kxb8 27. Be3 Qe7 28.
Qxe7 Nxe7 29. h6 Rh7 30. Ke2 Ng8 31. Bg5 Ba4 32. Kd1 Kc7 33. Rh3 Kb6 34. Be2 Kc7
35. Rxc3 Rxh6 36. Bxh6 Nxh6 37. Ra3 Bc6 38. Kd2 Nf5 39. c3 Kd8 40. Ra7 Ke8 41.
Bg4 Ne7 42. Ke3 Kf8 43. Kd2 Ke8 44. Kc2 Bd7 45. Kb2 Nc8 46. Ra6 Ne7 47. Ka3 Nf5
48. Bxf5 exf5 49. f4 Be6 50. Kb4 Kf8 51. Kc5 Kg7 52. Ra1 Kh6 53. Rh1+ Kg7 54.
Kd6 Kg8 55. Ra1 Kg7 56. Ra8 g5 57. fxg5 Kg6 58. Rg8+ Kh7 59. Rf8 Kg6 60. Rg8+
Kh7 61. Rb8 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.17"]
[White "De Jong, Migchiel"]
[Black "Kerigan, Demre"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2367"]
[BlackElo "2192"]
[ECO "B08"]
[Opening "Pirc"]
[Variation "classical system, 5.Be2"]
[WhiteFideId "1002848"]
[BlackFideId "6307841"]
[EventDate "2011.12.21"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Bg4 7. h3 Bxf3 8. Bxf3
Nc6 9. Ne2 e5 10. c3 d5 11. exd5 e4 12. Bxe4 Nxe4 13. dxc6 bxc6 14. Bf4 Rb8 15.
Qc2 Re8 16. Ng3 Nd6 17. Rfe1 Qd7 18. b3 h5 19. Be5 h4 20. Bxg7 Kxg7 21. Ne4 Qf5
22. f3 c5 23. Qd3 cxd4 24. Qxd4+ Qe5 25. Qxe5+ Rxe5 26. Nxd6 cxd6 27. Rxe5 dxe5
28. Rd1 Rb7 29. Rd6 Kf8 30. c4 Ke7 31. Ra6 Rd7 32. Kf1 Rc7 33. Ke2 Rd7 34. c5
Kd8 35. b4 Kc8 36. Ke3 Kb8 37. Rd6 Re7 38. a4 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.18"]
[White "Pel, Bonno"]
[Black "Lyell, Mark"]
[Result "1-0"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2292"]
[BlackElo "2189"]
[ECO "A00"]
[Opening "Benko's opening"]
[WhiteFideId "1004760"]
[BlackFideId "402354"]
[EventDate "2011.12.21"]

1. g3 e5 2. d3 f5 3. Bg2 Nc6 4. c3 Nf6 5. Nf3 Be7 6. b4 a6 7. Qb3 d5 8. O-O O-O
9. Nbd2 Kh8 10. e4 fxe4 11. dxe4 d4 12. Bb2 d3 13. Ng5 Qe8 14. Ne6 Bxe6 15. Qxe6
Qh5 16. Rae1 Rae8 17. Qc4 Rd8 18. h3 Rd6 19. a4 Nd7 20. a5 b5 21. axb6 Nxb6 22.
Qxa6 Bg5 23. f4 exf4 24. e5 Re6 25. g4 Qg6 26. Nf3 Rd8 27. Bc1 Be7 28. Bxf4 Nd5
29. Qc4 h6 30. Bd2 Nb6 31. Qe4 Qe8 32. Nd4 Nxd4 33. cxd4 Nc4 34. Qxd3 Nxd2 35.
Qxd2 Qb5 36. Qa2 Qb6 37. Kh1 Rxd4 38. Bd5 Rxd5 39. Qxd5 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.19"]
[White "Vogel, Jaap"]
[Black "Heemskerk, Wim"]
[Result "1/2-1/2"]
[WhiteTitle "FM"]
[BlackTitle "FM"]
[WhiteElo "2169"]
[BlackElo "2264"]
[ECO "E08"]
[Opening "Catalan"]
[Variation "closed, 7.Qc2"]
[WhiteFideId "1000764"]
[BlackFideId "1001000"]
[EventDate "2011.12.21"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. Qc2 1/2-1/2

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.20"]
[White "Meurs, Tom"]
[Black "Sparenberg, Erik"]
[Result "1-0"]
[WhiteElo "2247"]
[BlackElo "2162"]
[ECO "C88"]
[Opening "Ruy Lopez"]
[Variation "closed, 7...O-O"]
[WhiteFideId "1021176"]
[BlackFideId "1013262"]
[EventDate "2011.12.21"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3
Bb7 9. d3 d6 10. a3 Na5 11. Ba2 c5 12. Nbd2 Nc6 13. Nf1 Nd4 14. N3h2 Ne6 15. Ng4
Nxg4 16. hxg4 Bg5 17. Ne3 g6 18. c3 Rc8 19. g3 Kg7 20. Qf3 Bxe3 21. Qxe3 Qd7 22.
Qh6+ Kg8 23. f4 exf4 24. gxf4 c4 25. f5 Nc5 26. Re2 f6 27. dxc4 g5 28. cxb5+ Kh8
29. Be3 Qxb5 30. Bd4 Nd7 31. Rh2 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.21"]
[White "Galoyan, Levon"]
[Black "Bijlsma, Nick"]
[Result "1-0"]
[WhiteTitle "FM"]
[WhiteElo "2231"]
[BlackElo "2150"]
[ECO "D85"]
[Opening "Gruenfeld"]
[Variation "exchange variation"]
[WhiteFideId "13302027"]
[BlackFideId "1007041"]
[EventDate "2011.12.21"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4 e5 6. dxe5 Bb4+ 7. Bd2 Ne3 8.
fxe3 Bxd2+ 9. Qxd2 Qh4+ 10. g3 Qxa4 11. Qd4 Qa5+ 12. b4 c5 13. bxa5 cxd4 14.
exd4 Nc6 15. e3 Nxa5 16. Nh3 Bf5 17. Nf2 Rc8 18. Bd3 Bxd3 19. Nxd3 Rc2 20. Rc1
Rxa2 21. Nb4 Ra4 22. Rc8+ Kd7 23. Rxh8 Ra1+ 24. Kf2 Rxh1 25. Rxh7 Ke6 26. Nd3
Ke7 27. Nf4 Kf8 28. d5 Nc4 29. e6 Nd6 30. e4 fxe6 31. e5 Nc4 32. Nxg6+ Kg8 33.
dxe6 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.22"]
[White "Maatman, Nick"]
[Black "Rietveld, Renze"]
[Result "0-1"]
[WhiteElo "2029"]
[BlackElo "2264"]
[ECO "B63"]
[Opening "Sicilian"]
[Variation "Richter-Rauzer, Rauzer attack, 7...Be7"]
[WhiteFideId "1040391"]
[BlackFideId "1013998"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8.
O-O-O O-O 9. f3 a6 10. h4 Nxd4 11. Qxd4 b5 12. e5 dxe5 13. Qxe5 Qb6 14. Bd3 Bb7
15. Ne4 Nxe4 16. Bxe4 f6 17. Qg3 fxg5 18. Bxh7+ Kxh7 19. hxg5+ Kg6 20. Rd7 Rae8
21. Qe5 Bd5 22. b3 Qc6 23. Rc7 Qd6 24. Qc3 Qf4+ 25. Kb1 b4 26. Qd3+ Qf5 27. Qxa6
Ra8 28. Qe2 Bd6 29. Rd7 Bg3 30. f4 Rh8 31. Rf1 Rac8 32. Re7 Rxc2 33. Rxe6+ Bxe6
34. Qxc2 Rc8 35. Qxf5+ Bxf5+ 36. Ka1 Bxf4 0-1

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.23"]
[White "Afek, Yochanan"]
[Black "Van Overdam, Jan"]
[Result "1-0"]
[WhiteTitle "IM"]
[WhiteElo "2301"]
[BlackElo "2069"]
[ECO "B28"]
[Opening "Sicilian"]
[Variation "O'Kelly variation"]
[WhiteFideId "2800462"]
[BlackFideId "1022741"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 e6 6. Be2 Be7 7. O-O Nf6 8. c4
Qd8 9. dxc5 Qxd1 10. Rxd1 Bxc5 11. Nc3 Nc6 12. a3 e5 13. b4 Bd4 14. Bb2 Be6 15.
b5 Na5 16. Nxd4 exd4 17. Nd5 Bxd5 18. cxd5 Nb3 19. Rab1 O-O 20. Rd3 Rfe8 21. Bf1
Nc5 22. Rxd4 axb5 23. Bxb5 Red8 24. Rbd1 Ra5 25. a4 b6 26. f3 Ne8 27. d6 Ra7 28.
Ba3 Ne6 29. R4d2 Nf6 30. d7 Nc5 31. g4 h6 32. h4 Nh7 33. Bxc5 bxc5 34. Re2 Nf8
35. Re8 Raa8 36. Bc6 Rab8 37. a5 c4 38. a6 c3 39. Rc1 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.24"]
[White "Cako, Laszlo"]
[Black "Andraschko, Felix"]
[Result "1-0"]
[WhiteElo "2111"]
[BlackElo "2103"]
[ECO "B43"]
[Opening "Sicilian"]
[Variation "Kan, 5.Nc3"]
[WhiteFideId "1008153"]
[BlackFideId "24628174"]
[EventDate "2011.12.21"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Bc5 7. Nb3 Be7 8. O-O
Nf6 9. f4 d6 10. Bd2 Nbd7 11. Qf3 b5 12. Rae1 Bb7 13. Kh1 g6 14. Qg3 b4 15. Nd1
d5 16. exd5 Nxd5 17. c4 N5f6 18. Ne3 Rd8 19. Nc2 Qb6 20. Be3 Qc7 21. Bd4 O-O 22.
Re3 Nh5 23. Qf2 Nc5 24. Be2 Ng7 25. Bg4 Nxb3 26. axb3 Bc5 27. Be5 Qb6 28. Qh4 f6
29. Rh3 Rd2 30. Qxh7+ Kf7 31. Ne1 Bf2 32. Rh6 Bxe1 33. Qxg6+ Kg8 34. Qh7+ Kf7
35. Bh5+ 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.25"]
[White "Anurag, Mhamal"]
[Black "Kappus, Stephan"]
[Result "1-0"]
[WhiteElo "2222"]
[BlackElo "2093"]
[ECO "A20"]
[Opening "English opening"]
[WhiteFideId "5024366"]
[BlackFideId "12906875"]
[EventDate "2011.12.21"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bc5 5. e3 d5 6. cxd5 Nb4 7. d4 exd4 8. exd4
Be7 9. Nge2 Nbxd5 10. O-O O-O 11. Re1 c6 12. Nf4 Nxf4 13. Bxf4 Be6 14. Rc1 Re8
15. Qa4 Nd5 16. Nxd5 Bxd5 17. Bxd5 Qxd5 18. Re5 Qd7 19. d5 Bf6 20. dxc6 bxc6 21.
Rxe8+ Rxe8 22. b3 Rc8 23. Be3 Rc7 24. Bf4 Rc8 25. Be3 Rc7 26. h4 h6 27. Rc5 Qd1+
28. Kg2 Qd3 29. Qf4 Qd7 30. Qe4 Qe7 31. Qxe7 Bxe7 32. Ra5 c5 33. Kf3 Kf8 34. Ke4
Ke8 35. Kd5 Kd7 36. Rb5 Kd8 37. Rb8+ Kd7 38. Bf4 Rc8 39. Rxc8 Kxc8 40. Bd6 Bf6
41. Kc6 h5 42. Bxc5 Kb8 43. Kd7 g5 44. hxg5 Bxg5 45. Be3 1-0

[Event "48th Groningen Open A"]
[Site "Groningen NED"]
[Date "2011.12.30"]
[Round "9.26"]
[White "Dehn, Marcus"]
[Black "Maris, Ivo"]
[Result "0-1"]
[WhiteElo "2134"]
[BlackElo "2022"]
[ECO "B20"]
[Opening "Sicilian defence"]
[WhiteFideId "4667093"]
[BlackFideId "1028146"]
[EventDate "2011.12.21"]

1. e4 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. Ne2 h5 6. h3 d6 7. d3 Bd7 8. O-O Qc8
9. Kh2 Nf6 10. f4 Nd4 11. Nxd4 cxd4 12. e5 h4 13. exf6 hxg3+ 14. Kg1 Bxf6 15.
Qf3 Bxh3 16. Qxg3 Bg4 17. f5 gxf5 18. Bf3 Bh3 19. Bg5 f4 20. Bxf4 Bxf1 21. Kxf1
e5 22. Bd2 Bh4 23. Qg7 Rf8 24. Bg4 Qc6 25. Kg1 Ke7 26. Bg5+ Bxg5 27. Qxg5+ f6
28. Qg7+ Rf7 29. Qg6 Rh8 30. Bh5 Rxh5 31. Qxh5 Rg7+ 32. Kf2 Qg2+ 33. Ke1 Qg1+
34. Ke2 Rg2+ 35. Kf3 Rf2+ 0-1

