[Event "WMCCC 1980"] [Site "London, United Kingdom"] [Date "1980.09.05"] [Round "3"] [White "Chess Challenger"] [Black "Boris Experimental"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "C70"] [Opening "Ruy Lopez: Morphy Defense, Graz Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 { C70 Ruy Lopez: Morphy Defense, Graz Variation } 6. c3 Nf6 7. d4 exd4 8. e5 Qe7? { (1.14 → 2.80) Mistake. Ng4 was best. } (8... Ng4 9. O-O d3 10. Qxd3 Qe7 11. Bf4 d6 12. exd6 cxd6 13. Nbd2 Nce5 14. Bxe5 Nxe5 15. Nxe5) 9. cxd4?! { (2.80 → 1.73) Inaccuracy. O-O was best. } (9. O-O) 9... Bb4+ 10. Kf1 Ng8 11. Bf4 Na5 12. a3? { (1.62 → 0.13) Mistake. Bc2 was best. } (12. Bc2 Qd8 13. d5 Bb7 14. a3 Bf8 15. b3 Ne7 16. Nc3 Ng6 17. Bxg6 hxg6 18. h4 Rc8) 12... Nxb3 13. Qxb3 Ba5 14. Nc3 Bb7 15. d5 O-O-O?? { (-0.35 → 1.39) Blunder. Bxc3 was best. } (15... Bxc3 16. Qxc3 Bxd5 17. Nd4 Qh4 18. Bg3 Qh6 19. Qxc7 Qd2 20. Qc3 Qxc3 21. bxc3 Ne7 22. f3) 16. Rc1 f6? { (0.87 → 2.04) Mistake. Kb8 was best. } (16... Kb8 17. h4) 17. exf6?? { (2.04 → 0.00) Blunder. Ne4 was best. } (17. Ne4 Qf8 18. Bd2 Bxd2 19. Nfxd2 fxe5 20. d6 Nf6 21. Qe3 Nxe4 22. Rxc7+ Kb8 23. Nxe4 Ka8) 17... Nxf6 18. d6 Qe6 19. Qxe6 dxe6 20. dxc7 Rd7 21. Ng5 Re8 22. Re1 h6 23. Nxe6?? { (-0.44 → -4.04) Blunder. Nf3 was best. } (23. Nf3 g5 24. Be5 Nh5 25. b4 Bb6 26. Ne4 g4 27. Nh4 Rf8 28. Nc5 Rd2 29. Re2 Rd1+) 23... Rde7 24. b4 Bb6 25. a4?! { (-4.04 → -5.27) Inaccuracy. h4 was best. } (25. h4 Nh5) 25... Rxe6 26. Rxe6 Rxe6 27. axb5 axb5 28. Be3?! { (-4.71 → -6.17) Inaccuracy. h4 was best. } (28. h4 Ne4) 28... Bxc7?! { (-6.17 → -4.52) Inaccuracy. Bxe3 was best. } (28... Bxe3 29. fxe3 Rxe3 30. Nd1 Re4 31. Kf2 Kxc7 32. Rf1 Rxb4 33. Kg1 Rb1 34. Ne3 Rxf1+ 35. Kxf1) 29. Bd4 Bc6 30. f3 Bd6 31. Na2?! { (-3.71 → -4.82) Inaccuracy. Kf2 was best. } (31. Kf2 g5 32. Rd1 Nd7 33. Rb1 Ne5 34. Bxe5 Rxe5 35. Ne2 Rd5 36. Ng3 Kc7 37. Ne4 Be5) 31... Bd5 32. Nc3 Bc4+ 33. Kf2 Bxb4 34. Rb1 Bd6 35. Nxb5 Bxh2 36. Nc3 Bd6 37. g3 Kd7 38. f4?! { (-3.31 → -4.25) Inaccuracy. Rb2 was best. } (38. Rb2 Kd8 39. g4 Ke7 40. Rc2 g5 41. Ne2 Bd3 42. Rd2 Bxe2 43. Rxe2 Bg3+ 44. Kf1 Rxe2) 38... g6 39. Kf3 Nd5 40. Ne4 Be7 41. Rb7+ Kc6 42. Rb2 h5 43. Rc2 Kb5 44. Rb2+ Bb4?! { (-4.47 → -3.44) Inaccuracy. Nb4 was best. } (44... Nb4) 45. Be5 Bd3 46. Nd6+?! { (-3.00 → -4.41) Inaccuracy. Nc3+ was best. } (46. Nc3+ Nxc3 47. Bxc3 Re4 48. g4 hxg4+ 49. Kxg4 Kc5 50. Bd2 Rc4 51. Bxb4+ Rxb4 52. Ra2 Kd4) 46... Kc5 47. Rb3 Bc2 48. Nb7+?! { (-4.87 → -6.24) Inaccuracy. Ne4+ was best. } (48. Ne4+) 48... Kb6?! { (-6.24 → -4.50) Inaccuracy. Kc4 was best. } (48... Kc4 49. Rb2 Bf5 50. Kg2 Ne3+ 51. Kf3 Ng4 52. Nd8 Ra6 53. Kg2 Be4+ 54. Kh3 Nxe5 55. fxe5) 49. Rb2 Rc6 50. Nd6 Bd1+ 51. Ke4 Kc5 52. f5?! { (-4.45 → -6.37) Inaccuracy. Nb7+ was best. } (52. Nb7+ Kc4) 52... Nc3+? { (-6.37 → -3.28) Mistake. gxf5+ was best. } (52... gxf5+ 53. Kxf5 Rxd6 54. Bxd6+ Kxd6 55. Kg5 Bc3 56. Ra2 Bf6+ 57. Kg6 Be5 58. Ra3 Kc5 59. Kf5) 53. Kd3 gxf5 54. Nxf5 Nd5 55. Bd4+ Kb5 56. Be5 Kc5 57. Bd4+ Kb5 58. Be5 Ka4 59. Ra2+ Ba3 60. Kd4? { (-2.74 → -5.18) Mistake. Nd4 was best. } (60. Nd4 Rc5) 60... Nc3 61. Ra1 Nb5+?! { (-4.70 → -3.29) Inaccuracy. Bg4 was best. } (61... Bg4 62. Ne7 Re6 63. Nd5 Ne2+ 64. Ke4 Kb3 65. Rb1+ Kc2 66. Rb8 Nxg3+ 67. Kf4 Nf5 68. Rc8+) 62. Ke3 Bc2 63. Kf4 Rc4+ 64. Kg5 Rg4+ 65. Kf6 Rc4?? { (-3.55 → -1.22) Blunder. Rg8 was best. } (65... Rg8 66. Ne7 Rf8+ 67. Kg5 Kb3 68. Nc6 Be4 69. Nd4+ Nxd4 70. Bxd4 Rf5+ 71. Kh4 Be7+ 72. Kh3) 66. Kg5?? { (-1.22 → -3.51) Blunder. Ne3 was best. } (66. Ne3 Rc6+ 67. Kg5 Bb3 68. Bb2 Rc5+ 69. Kh4 Kb4 70. Bxa3+ Nxa3 71. g4 Re5 72. Ng2 hxg4) 66... Rg4+ 67. Kf6 Kb3? { (-3.41 → -1.89) Mistake. Rg8 was best. } (67... Rg8) 68. Rh1 Bxf5? { (-2.10 → -0.75) Mistake. Rg8 was best. } (68... Rg8) 69. Kxf5 Nd6+ 70. Ke6 Rg6+ 71. Kd5 Nc4 72. Bf4 Rb6 73. Ke4 Rb5 74. Rd1 Bb2 75. Re1?! { (-0.66 → -1.67) Inaccuracy. Rd5 was best. } (75. Rd5 Rb4 76. Rxh5 Ne5+ 77. Ke3 Nd7 78. Rh4 Bf6 79. Rh1 Kc4 80. Ke4 Bb2 81. Rb1 Nc5+) 75... Be5?! { (-1.67 → -1.08) Inaccuracy. Ne5 was best. } (75... Ne5 76. Rb1 Ng4 77. Bc1 Nf2+ 78. Kf3 Nd3 79. Bxb2 Kc2 80. Rf1 Rf5+ 81. Kg2 Rxf1 82. Kxf1) 76. Rb1+ Bb2 77. Re1?! { (-1.04 → -2.03) Inaccuracy. g4 was best. } (77. g4 hxg4 78. Rg1 Rh5 79. Rg3+ Bc3 80. Rxg4 Rh1 81. Kf3 Re1 82. Kg2 Bd4 83. Bg5 Bc5) 77... Be5?? { (-2.03 → 0.00) Blunder. Ne5 was best. } (77... Ne5 78. Rb1 Ng4 79. Bc1 Nf2+ 80. Kf3 Rf5+ 81. Kg2 Nd3 82. Bxb2 Kc2 83. Rh1 Kxb2 84. Rh4) 78. Rb1+ Ka4 79. Rxb5 Bxf4 80. Rc5 Kb4?? { (0.08 → Mate in 24) Checkmate is now unavoidable. Bxg3 was best. } (80... Bxg3 81. Rxc4+ Kb3 82. Rc1 h4 83. Rh1 Kc3 84. Rh3 Kc4 85. Kf3 Kd4 86. Rh1 Ke5 87. Rd1) 81. Rxc4+ Kxc4 82. Kxf4 Kd5 83. Kg5 Ke4 84. Kxh5 Kf5 85. g4+ Ke4 86. g5 Kf5 87. g6 Ke6 88. Kh6 Kf6 89. g7 Kf7 90. Kh7 Ke6 91. g8=Q+ Ke5 92. Kg6 Ke4 93. Qc4+ Ke5 94. Kg5 Kd6 95. Kf6 Kd7 96. Qc5 Kd8 97. Ke6 Ke8 98. Qe7# { White wins by checkmate. } 1-0