1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bc5 6. e3 a6 7. Be2 Nf6 8. O-O O-O 9. Nb3 Bb6 10. c5 Ba7 11. e4 Qc7 12. Bg5 Ne8 13. Qd2 d6 14. Bf4 e5 15. Nd5 Qb8 16. Be3 dxc5 17. Nxc5 Nc7 18. Rac1 Rd8 19. Bg5 f6 20. Be3 Kh8 21. Bc4 b5 22. Bb3 Bb7 23. Qc3 Rd6 24. Rfd1 Ne8 25. a3 Nd8 26. f3 h6 27. Qa5 Kh7 28. Qe1 Nc6 29. Qg3 Na5 30. Ba2 Nc6 31. Kh1 Bxc5 32. Rxc5 Qd8 33. Kg1 Ne7 34. Qe1 Qd7 35. Qd2 Rd8 36. Bb3 Bc6 37. Qc2 Bb7 38. Rd2 Nxd5 39. Bxd5 Kh8 40. Qc3 Qe7 41. Qa5 Qd7 42. Kh1 Rc8 43. Qc3 Rd8 44. Rd1 Kh7 45. Rd3 Kh8 46. Rd2 Kh7 47. b3 Kh8 48. Bxb7 Rxd2 49. Bxd2 Qxb7 50. Kg1 Nd6 51. Qa5 R c8 52. Rxc8+ Qxc8 53. Be3 Qe6 54. Qc3 Kg8 55. Qd3 Kf7 56. Qd5 White wants to force the exchange as normally the bishop and passed pawn should win. To this point is the same moves as the drawn variation 56... Qxd5!? 57. exd5 Ke7 58. Bc5 Kd7 59. a4 Ne8! This turns out to be crucial. Over the board I just played this line instinctively as it seemed right. Going back again and reviewing - turns out this was the winning move! Most everything else is either a draw or win for white! then I discovered that the similar 59. Nf5!! is way better and more direct 59... Nf5 60. axb5 axb5 61. Kf2 h5 62. Bf8 h4 63. g3 hxg3+ 64. hxg3 g6 65. f4 exf4 66. gxf4 Ne7 67. Bxe7 forced 67... Kxe7 68. Ke3 Kd6 69. Ke4 b4 and white is in zugzwang 70. Kd4 g5 white can resign but the computer soldiers on 71. fxg5 fxg5 72. Ke4 g4 73. Ke3 Kxd5 74. Kd3 g3 75. Ke3 g2 76. Kf2 Kd4 77. Kxg2 Kc3 78. Kf3 Kxb3 79. Ke2 Kc2 80. Ke3 b3 81. Kd4 b2 82. Kc4 b1=Q 83. Kd5 Qe1 84. Kd6 Qe4 85. Kc5 Kc3 86. Kd6 Kc4 87. Kc7 Kc5 88. Kd7 Qg6 89. Ke7 Kc6 90. Kf8 Qh7 91. Ke8 Kd6 92. Kf8 Ke6 93. Ke8 Qh8+ and checkmate 60. axb5 axb5 white was hoping for the capture on a4 instead and a bad pawn structure for black 61. Kf2 g6 avoiding black squares and blocking the white kings advance 62. Ke3 f5 63. f4 Nf6 64. fxe5 Nxd5+ 65. Kd4 Nf4 66. g3 Ne6+ 67. Kd5 Nc7+ 68. Kd4 Kc6 69. Ba7 Ne6+ the closed position favours the knight 70. Kc3 h5 71. Kb4 g5 72. Be3 f4 73. gxf4 gxf4 74. Ba7 f3 75. Kc3 Nc5 76. Kd2 Nxb3+ 77. Ke3 Kd5 78. Kxf3 Kxe5 79. Ke3 Kd5 80. Kd3 b4 81. Be3 Nc5+ 82. Kc2 Kc4 83. Bf2 Na4 84. Bh4 b3+ 85. Kb1 Nc3+ care is needed to avoid the knight being trapped 86. Kc1 Na2+ 87. Kb2 Kb4 88. Bg5 Ka4 89. Bh6 Nb4 90. Kc3 Nc2 91. Bf8 Ne3 after much manuevering the way forward emerges 92. Bc5 Nd5+ 93. Kb2 Kb5 94. Bd4 Kc4 95. Bg7 Nb4 96. Bf6 Nd3+ 97. Ka3 Nf2 finally the right square is arriving 98. h4 Ne4 99. Bg7 Nd2 100. Bh8 Nf3 101. Bf6? White cannot defend both knight and king threats 101... Nxh4! if Bxh4 then Kc3 and one of the pawns will promote 102. Kb2 Nf3 103. Be7 h4 104. Bd6 h3 105. Bf4 h2 106. Bxh2 Nxh2 white can resign here - but the computer soldiers on 107. Ka3 Kc3 108. Ka4 b2 109. Kb5 b1=Q+ 110. Kc6 Qf5 111. Kd6 Ng4 112. Kc6 Ne5+ 113. Kd5 Nf7+ 114. Kc6 Qd3 115. Kb7 Qd7+ 116. Kb6 Nd8 117. Ka5 Qb7 118. Ka4 Qb4+ 0-1