[Event "Ivanchuk-Leko"]
[Site "?"]
[Date "2007.??.??"]
[Round "1"]
[White "Leko, Peter"]
[Black "Ivanchuk, Vassily"]
[Result "1/2-1/2"]
[PlyCount "167"]
[EventDate "2007.??.??"]

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. Rd1 O-O 11. Nf3 Nc6 12. h3 Nd7 13. Be3 Bxc3 14. bxc3 f6 15.
Qd2 Rd8 16. Bc2 Nc5 17. Nd4 Na5 18. Qe2 e5 19. Nf3 Be6 20. Nd2 Qf7 21. f4 Rac8
22. Rab1 Nxc4 23. f5 gxf5 24. exf5 Bd5 25. Nxc4 Bxc4 26. Qg4+ Kh8 27. Rb6 Bd5
28. Qh4 Bc6 29. Rb4 Rg8 30. Rg4 Qe7 31. Qh6 d5 32. Kh2 Nd7 33. Bb3 Qf7 34. Bf2
Rxg4 35. hxg4 Rg8 36. Kh3 Rg7 37. Bh4 Kg8 38. Rd3 Kf8 39. Rg3 Ke8 40. g5 Nc5
41. Bd1 Bd7 42. Bh5 Bxf5+ 43. Kh2 Rg6 44. Bxg6 Qxg6 45. Qxg6+ hxg6 46. gxf6 Kf7
47. Re3 Ne4 48. Kg1 b5 49. Kf1 g5 50. Rxe4 Bxe4 51. Bxg5 Bg6 52. Ke2 Ke6 53.
Ke3 Kf5 54. Bh4 Kg4 55. Bf2 Kg5 56. Kd2 Kxf6 57. Bc5 Bb1 58. a3 Kf5 59. Ke3 Be4
60. g3 Bg2 61. Bb4 Bh3 62. Bc5 Bg4 63. Bb4 Ke6 64. Kd2 Kd7 65. Ba5 Kc6 66. Bb4
d4 67. cxd4 exd4 68. Ba5 Kc5 69. Kc2 Kc4 70. Kb2 Kd3 71. Bb4 Ke2 72. Kc1 d3 73.
Bc3 Be6 74. Bb4 Kf3 75. Kd2 Bf5 76. Ba5 Kxg3 77. Bb4 Kf3 78. Ba5 Ke4 79. Kc1
Ke3 80. Bd2+ Kd4 81. Kb2 Kc5 82. Ba5 Kc4 83. Bd2 Bg6 84. Ba5 1/2-1/2

[Event "Ivanchuk-Leko"]
[Site "Mukachewo"]
[Date "2007.??.??"]
[Round "2"]
[White "Ivanchuk, Vassily"]
[Black "Leko, Peter"]
[Result "1-0"]
[PlyCount "75"]
[EventDate "2007.??.??"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qf3 bxc6 7. Be2 Qxf3
8. Bxf3 Ne7 9. Nc3 O-O 10. O-O d6 11. Rd1 a5 12. Na4 Ba7 13. c4 Ng6 14. c5 dxc5
15. Be3 c4 16. Bxa7 Rxa7 17. Be2 Rb7 18. Rac1 Rb4 19. Rxc4 Be6 20. Rxb4 axb4
21. b3 Ra8 22. g3 f5 23. Rd4 fxe4 24. Rxe4 Bd5 25. Rxb4 Kf7 26. Rb7 Ke6 27.
Rxc7 Ne7 28. Bg4+ Kf6 29. h4 Ng6 30. f4 Nf8 31. Kf2 h6 32. Nc3 Ra6 33. Ke3 g5
34. fxg5+ hxg5 35. h5 Be6 36. Bf3 Bd7 37. Ne4+ Ke7 38. Nc5 1-0

[Event "Ivanchuk-Leko"]
[Site "Mukachewo (UKR)"]
[Date "2007.??.??"]
[Round "3"]
[White "Leko, Peter"]
[Black "Ivanchuk, Vassily"]
[Result "1/2-1/2"]
[PlyCount "72"]
[EventDate "2007.??.??"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Nc2 Bg7 8. Be2
O-O 9. O-O Nd7 10. Bd2 b6 11. Rc1 Bb7 12. b3 a6 13. Kh1 e6 14. f3 Qe7 15. Qe1
Rfd8 16. Be3 Rab8 17. Qd2 Nc5 18. Rfd1 Ba8 19. Nd4 Nxd4 20. Bxd4 Bxd4 21. Qxd4
e5 22. Qe3 Ne6 23. Bf1 Nd4 24. Ne2 Ne6 25. Nc3 Nd4 26. Rd2 Bc6 27. Rcd1 a5 28.
Ne2 Ne6 29. Nc3 Nd4 30. Rd3 h5 31. Ne2 Ne6 32. Qd2 Qf6 33. Nc3 Nd4 34. Ne2 Ne6
35. Nc3 Nd4 36. Ne2 Ne6 1/2-1/2

[Event "Ivanchuk-Leko"]
[Site "Mukachewo"]
[Date "2007.??.??"]
[Round "4"]
[White "Ivanchuk, Vassily"]
[Black "Leko, Peter"]
[Result "1/2-1/2"]
[PlyCount "98"]
[EventDate "2007.??.??"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 d6 5. d3 Be7 6. Nd2 Bg5 7. Nf1 Bxc1 8.
Rxc1 Nge7 9. Ne3 O-O 10. O-O Ng6 11. Ncd5 Nce7 12. c3 Be6 13. Nxe7+ Qxe7 14. g3
Rab8 15. a4 Qd7 16. Qb3 Ne7 17. f4 exf4 18. gxf4 Bxc4 19. Qxc4 Kh8 20. f5 f6
21. Qe6 Qc7 22. Rc2 Rbe8 23. Rg2 Nc6 24. Qd5 Rd8 25. Rf3 Qd7 26. Rfg3 Ne7 27.
Qb3 g6 28. Qd1 Rg8 29. fxg6 Rxg6 30. Qf3 Rf8 31. Qf4 Rxg3 32. Rxg3 Qe6 33. Qh6
Rg8 34. Kf2 b6 35. Rf3 Rg6 36. Qf8+ Ng8 37. Nd5 Qg4 38. Rg3 Qh4 39. Kg2 Rxg3+
40. hxg3 Qg5 41. Ne7 Qg4 42. Kf2 Qg5 43. Ke2 (43. Nxg8 $1 {
and the white king can escape from perpetual check - on the square a8, e.g.:}
Qd2+ (43... Qxg8 44. Qxf6+ Qg7 45. Qxd6) 44. Kf3 Qxd3+ 45. Kf4 Qf1+ 46. Kg4
Qe2+ 47. Kf5 Qf3+ 48. Ke6 Qxe4+ 49. Kxd6 Qd3+ 50. Kc6 Qf3+ 51. Kb5 Qd3+ 52. c4
Qb3+ 53. Ka6 Qxa4+ (53... Qxc4+ 54. Kxa7 $18) 54. Kb7 Qd7+ 55. Ka8 {
and no more checks, so:} Qg7 (55... Qc6+ 56. Kb8 {loses immediately}) 56. Qxg7+
Kxg7 57. Nxf6 Kxf6 58. Kxa7 Kf5 59. Kxb6 Kg4 60. Kxc5 Kxg3 61. b4 {
and White wins.}) 43... Qxg3 44. Nxg8 Qg2+ 45. Kd1 Qg1+ 46. Kc2 Qg2+ (46...
Qxg8 $2 47. Qxf6+ Qg7 48. Qxd6 {and White has good winning chances.}) 47. Kc1 (
47. Kb3 Qxg8+ 48. Qxg8+ Kxg8 {and Black is winning.}) 47... Qg1+ 48. Kd2 Qf2+
49. Kd1 Qf1+ 1/2-1/2

