[Event "7th CHN-RUS"]
[Site "Ningbo CHN"]
[Date "2010.08.08"]
[Round "4"]
[White "Wang Hao"]
[Black "Rublevsky, S."]
[Result "1/2-1/2"]
[ECO "B46"]
[WhiteElo "2724"]
[BlackElo "2688"]
[PlyCount "165"]
[EventDate "2010.08.05"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. O-O Nf6 8.
Be3 Be7 9. f4 d6 10. a4 O-O 11. Kh1 Re8 12. Bf3 Rb8 13. Qd2 Na5 14. b3 b6 15.
Rad1 Bb7 16. Nde2 Rbc8 17. Bf2 Nc6 18. g4 d5 19. e5 Ne4 20. Nxe4 dxe4 21. Bg2
Nb4 22. c3 Red8 23. Bd4 Nd5 24. Qc2 e3 25. Qd3 Bc5 26. c4 Bxd4 27. Qxd4 Nf6 28.
Qxe3 Nxg4 29. Qg3 h5 30. Nd4 Bxg2+ 31. Kxg2 Qb7+ 32. Kg1 Rd7 33. h3 Nh6 34. Rd2
{#} Rcd8 ({Here Black had the strong shot} 34... b5 $1 {after which} 35. axb5
axb5 36. cxb5 Rxd4 $1 37. Rxd4 Nf5 38. Qf2 Nxd4 39. Qxd4 Qxb5 $17 {would be
very good for Black due to White's wide open king position and the extremely
dangerous queen and rook working together.}) 35. Rfd1 g6 36. Qe3 Kg7 37. Kf2
Qc7 38. Ke2 Kh7 39. Rd3 Qb7 40. Qf3 Qc7 41. Qc6 Rc8 42. Qxc7 Rdxc7 43. Nf3 Nf5
44. Ng5+ Kg8 45. Rd8+ Rxd8 46. Rxd8+ Kg7 47. Ne4 h4 48. Kd3 Rc6 49. b4 Rc7 50.
Nf6 Rb7 51. Ra8 a5 52. b5 Ng3 53. Ne8+ Kh6 54. Nd6 Rc7 55. Rh8+ Kg7 56. Rb8 Rc5
57. Rxb6 g5 58. Rc6 g4 59. Ne4 gxh3 60. Nf2 Rxc6 61. bxc6 Nf5 62. Nxh3 Kf8 63.
c7 Ne7 {#} 64. Kd4 $4 {A disastrous blunder.} ({The simple} 64. c5 $1 {would
win, since after} Ke8 65. c6 {Black is helpless to prevent White from picking
off the a-pawn or simply playing Kc4-b5-a6-b7 and promoting the c-pawn. The
black knight is forced to stay protecting the c8 square, and the king is cut
off by the pawns.}) 64... Ke8 65. Kc5 Kd7 66. Kb6 Kc8 67. Ng5 Nf5 68. Kxa5 Kxc7
69. Kb5 Nd4+ 70. Kb4 Kc6 71. a5 Ne2 72. Nh3 Nd4 73. c5 Kb7 74. Kc4 Nc6 75. Kb5
Nd4+ 76. Kc4 Nc6 77. Ng5 Nxa5+ 78. Kd3 Kc6 79. Ke4 Nb3 80. Kf3 Nxc5 81. Kg4 Nd3
82. Nh3 Kd5 83. Kxh4 1/2-1/2

[Event "7th CHN-RUS"]
[Site "Ningbo CHN"]
[Date "2010.08.09"]
[Round "5"]
[White "Potkin, V."]
[Black "Wang Hao"]
[Result "0-1"]
[ECO "E58"]
[WhiteElo "2626"]
[BlackElo "2724"]
[PlyCount "60"]
[EventDate "2010.08.05"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3
Bxc3 9. bxc3 Qc7 10. Bb2 Na5 11. cxd5 exd5 12. Ne5 Re8 13. a4 {#} Rxe5 $5 {An
interesting exchange sacrifice for which Black gets a pawn and some juicy
squares for his knights.} 14. dxe5 Qxe5 15. h3 (15. e4 {was worth considering.
If} dxe4 {then} 16. Bxe4 {and the bishop is untouchable thanks to the back
rank weakness.}) 15... c4 16. Bc2 Bf5 {The idea is simply to exchange off the
white squared bishop, after which both the b3 and d3 squares are open to his
knights.} 17. Re1 Bxc2 18. Qxc2 Nb3 19. Rad1 Re8 20. f3 Nc5 21. Rd4 Nd3 {#} 22.
Re2 $2 ({White really had to give the exchange back with} 22. Rxd3 cxd3 23.
Qxd3 {and while a bit worse, should be able to hold. As it is, the knight left
on d3 is just too to be left as is.}) 22... Nh5 23. e4 ({Now it is too late
since} 23. Rxd3 $2 {fails to} cxd3 24. Qxd3 Nf4 $1 $19) 23... Nhf4 24. Rd2 f5
25. Ba3 fxe4 26. fxe4 Qg5 27. Kh2 Rxe4 28. Qd1 Qe5 29. Rxe4 dxe4 30. Qg4 h5 0-1

[Event "7th CHN-RUS w"]
[Site "Ningbo CHN"]
[Date "2010.08.08"]
[Round "4"]
[White "Bodnaruk, A."]
[Black "Ju Wenjun"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "2397"]
[BlackElo "2496"]
[PlyCount "106"]
[EventDate "2010.08.05"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b5 5. d4 cxd4 6. Nxd4 Bb7 7. Bg2 Nf6 8. O-O
d6 9. Re1 Qc7 10. Nd5 ({Normally White first plays} 10. a4 b4 {before
sacrificing the knight with} 11. Nd5 exd5 12. exd5+ Kd8 {A position that is
considered fairly dead for Black. Presumably the move was not played due to a
memory lapse, but the question also is also why Wenjun entered this line at
all.}) 10... exd5 11. exd5+ Kd8 12. Bg5 Nbd7 {#} 13. c4 ({White missed a
beautiful opportunity here to play the very strong} 13. Nc6+ $1 Bxc6 ({Black
is forced to take since} 13... Kc8 $4 {just loses to} 14. Bxf6 Nxf6 15. Bh3+
Nd7 16. Re8+) 14. dxc6 Nc5 15. Be3 {Threatening to take on c5.} Ne6 16. a4 b4 (
16... Rb8 17. axb5 Rxb5 (17... axb5 18. Ra7 Qc8 19. Rxf7 Be7 20. Bh3 {And
white wins material, since} Rf8 {runs into} 21. Bxe6 Qxe6 22. Rxf8+ Bxf8 23.
Bb6+ $16) 18. Rxa6) (16... Qb8 17. axb5 Qxb5 (17... axb5 $4 18. Rxa8 Qxa8 19.
c7+ Nxc7 20. Bxa8) 18. c4 Qxc4 19. Rc1 Qb5 20. c7+ Nxc7 21. Rxc7 Kxc7 22. Qc2+
Kd8 (22... Kb8 23. Rc1) 23. Bxa8 $18) 17. a5 Qc8 (17... Ke8 18. g4 d5 19. g5
Ne4 20. Qxd5) 18. Ra4 Ke8 19. Rxb4 Be7 20. Rb7 d5 21. Bxd5 $18) 13... h6 14.
Bxf6+ Nxf6 15. cxb5 axb5 16. Rc1 Qb6 17. Nc6+ Bxc6 18. Rxc6 Qb7 19. Qc2 Rc8 20.
Rc1 Rxc6 21. dxc6 Qc7 22. Qb3 g5 23. a4 bxa4 24. Qxa4 Nd7 25. Qa8+ Ke7 26. Re1+
Ne5 27. f4 gxf4 28. gxf4 Bg7 29. Qb7 Qxb7 30. cxb7 Rb8 31. fxe5 dxe5 32. Rc1
Kd8 33. b4 f5 34. Bd5 e4 35. Kf2 Be5 36. h3 Ke7 37. Rc8 Kf6 38. Rc6+ Kg5 39.
Ke2 $4 {A terrible mistake after which White goes from equal to worse, and
must play precisely to try and draw the opposite-colored bishop endgame.} (39.
Re6 Bf4 40. Rb6 Rd8 41. Be6 Rd2+ 42. Ke1 Rc2 43. b8=Q Rc1+ 44. Ke2 Rc2+ 45. Ke1
Rc1+ $11) 39... Rxb7 40. Rg6+ Kxg6 41. Bxb7 Kg5 42. Ke3 Bc7 43. Ba6 $4 {White
needed to keep the bishop on the a8-h1 diagonal in order to keep pressure on
the pawns and hope to work with the king to blockade them.} Bb6+ 44. Ke2 f4 45.
Bb7 f3+ 46. Kf1 Kf4 47. Bc6 e3 48. Bb5 Kg3 49. Bc4 Kxh3 50. Ke1 Kg3 51. Bb5 h5
52. Bc4 h4 53. b5 h3 0-1

