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The following ending occurred in the 5th round game between Hugues Masse (2181) and Zhiyuan Zhang (1951). The position after Black's 50th move:
The 6-man tablebases at http://www.k4it.de/index.php?topic=egtb&lang=en
show White winning in 30-40 moves (assuming no 50-move rule draws) from every position with White to move from moves 50 through 88. According to the tablebase, 89. Ke4 leads to a draw. (Kc4, Bb5, Be8, Kd2, Kc2, Bb3, Bc2, and Bd1 all lead to wins in 39-43 moves) All subsequent moves played lead to draws.
White to make his 89th move:
The complete game:
[Event "Pere Noel"]
[Site "?"]
[Date "2010.12.30"]
[Round "5"]
[White "Masse, Hugues"]
[Black "Zhang, Zhiyuan"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2181"]
[BlackElo "1951"]
[PlyCount "187"]
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 c5 8. e4
cxd4 9. exf5 Bb4 10. Kf2 Bc5 11. Nb5 a6 12. Bxc4 axb5 13. Bxb5+ Nbd7 14. fxe6
fxe6 15. Qb3 Qb6 16. Re1 Ke7 17. a5 Qd6 18. Nxd7 Nxd7 19. Bf4 d3+ 20. Kf1 Qxf4
21. Qxe6+ Kf8 22. Qxd7 Qf7 23. Qxd3 Be7 24. a6 bxa6 25. Rxa6 Rxa6 26. Bxa6 Qf6
27. b3 g6 28. Bc4 Qd6 29. Qe4 h6 30. Kg1 Qc5+ 31. Kh1 Qd6 32. Qc2 Qf6 33. Qb1
Bd6 34. Qe4 h5 35. Qc6 Kg7 36. Rd1 Rd8 37. Qe4 Bc5 38. Qe2 Rxd1+ 39. Qxd1 Bd6
40. g3 h4 41. Kg2 hxg3 42. hxg3 g5 43. Qd5 Kf8 44. Qe6 Qxe6 45. Bxe6 Ke7 46.
Bc4 Kf6 47. Kh3 Bc5 48. Kg4 Bd6 49. f4 gxf4 50. gxf4 Bb4 51. Kf3 Kf5 52. Bd3+
Ke6 53. Ke4 Bc3 54. Ba6 Kd6 55. Kd3 Bf6 56. Kc4 Kc6 57. b4 Bd8 58. Bc8 Bc7 59.
f5 Bd8 60. Be6 Bf6 61. Bd5+ Kb6 62. Bf7 Kc6 63. Be8+ Kd6 64. Bf7 Kc6 65. Kb3
Be7 66. Ka4 Bd8 67. Bg6 Kb6 68. Be8 Bf6 69. Kb3 Kc7 70. Kc4 Kd6 71. Kb5 Bc3 72.
Bf7 Ke5 73. Be6 Kd6 74. Kc4 Bf6 75. Kd3 Kc6 76. Kc4 Kd6 77. Bf7 Ke5 78. Bg6 Kd6
79. Bh5 Ke5 80. Bg4 Kd6 81. Be2 Ke5 82. Bd3 Kd6 83. Bc2 Kc6 84. Ba4+ Kd6 85.
Bd1 Ke5 86. Bc2 Kd6 87. Kd3 Kc6 88. Ba4+ Kd6 89. Ke4 Bc3 90. b5 Kc5 91. Kf4 Bf6
92. Kg4 Bd8 93. Kh5 Kb4 94. Kg6 1/2-1/2
The following ending occurred in the 5th round game between Hugues Masse (2181) and Zhiyuan Zhang (1951). The position after Black's 50th move:
The 6-man tablebases at http://www.k4it.de/index.php?topic=egtb&lang=en
show White winning in 30-40 moves (assuming no 50-move rule draws) from every position with White to move from moves 50 through 88. According to the tablebase, 89. Ke4 leads to a draw. (Kc4, Bb5, Be8, Kd2, Kc2, Bb3, Bc2, and Bd1 all lead to wins in 39-43 moves) All subsequent moves played lead to draws.
White to make his 89th move:
The complete game:
[Event "Pere Noel"]
[Site "?"]
[Date "2010.12.30"]
[Round "5"]
[White "Masse, Hugues"]
[Black "Zhang, Zhiyuan"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2181"]
[BlackElo "1951"]
[PlyCount "187"]
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 c5 8. e4
cxd4 9. exf5 Bb4 10. Kf2 Bc5 11. Nb5 a6 12. Bxc4 axb5 13. Bxb5+ Nbd7 14. fxe6
fxe6 15. Qb3 Qb6 16. Re1 Ke7 17. a5 Qd6 18. Nxd7 Nxd7 19. Bf4 d3+ 20. Kf1 Qxf4
21. Qxe6+ Kf8 22. Qxd7 Qf7 23. Qxd3 Be7 24. a6 bxa6 25. Rxa6 Rxa6 26. Bxa6 Qf6
27. b3 g6 28. Bc4 Qd6 29. Qe4 h6 30. Kg1 Qc5+ 31. Kh1 Qd6 32. Qc2 Qf6 33. Qb1
Bd6 34. Qe4 h5 35. Qc6 Kg7 36. Rd1 Rd8 37. Qe4 Bc5 38. Qe2 Rxd1+ 39. Qxd1 Bd6
40. g3 h4 41. Kg2 hxg3 42. hxg3 g5 43. Qd5 Kf8 44. Qe6 Qxe6 45. Bxe6 Ke7 46.
Bc4 Kf6 47. Kh3 Bc5 48. Kg4 Bd6 49. f4 gxf4 50. gxf4 Bb4 51. Kf3 Kf5 52. Bd3+
Ke6 53. Ke4 Bc3 54. Ba6 Kd6 55. Kd3 Bf6 56. Kc4 Kc6 57. b4 Bd8 58. Bc8 Bc7 59.
f5 Bd8 60. Be6 Bf6 61. Bd5+ Kb6 62. Bf7 Kc6 63. Be8+ Kd6 64. Bf7 Kc6 65. Kb3
Be7 66. Ka4 Bd8 67. Bg6 Kb6 68. Be8 Bf6 69. Kb3 Kc7 70. Kc4 Kd6 71. Kb5 Bc3 72.
Bf7 Ke5 73. Be6 Kd6 74. Kc4 Bf6 75. Kd3 Kc6 76. Kc4 Kd6 77. Bf7 Ke5 78. Bg6 Kd6
79. Bh5 Ke5 80. Bg4 Kd6 81. Be2 Ke5 82. Bd3 Kd6 83. Bc2 Kc6 84. Ba4+ Kd6 85.
Bd1 Ke5 86. Bc2 Kd6 87. Kd3 Kc6 88. Ba4+ Kd6 89. Ke4 Bc3 90. b5 Kc5 91. Kf4 Bf6
92. Kg4 Bd8 93. Kh5 Kb4 94. Kg6 1/2-1/2
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