FEN
[Event "Ólafsson"]
[Site "https://cohenchessclub.com/HYj0zuH4"]
[Date "2023.11.30"]
[White "Jackson"]
[Black "Ao1000"]
[Result "0-1"]
[UTCDate "2023.11.30"]
[UTCTime "00:04:00"]
[WhiteElo "1886"]
[BlackElo "1719"]
[WhiteRatingDiff "-11"]
[BlackRatingDiff "+20"]
[WhiteTitle "GM🏆"]
[BlackTitle "IM🌴"]
[Variant "Standard"]
[TimeControl "600+1"]
[ECO "C53"]
[Opening "Italian Game: Classical Variation, La Bourdonnais Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6?! { (0.19 → 0.91) Inaccuracy. Nf6 was best. } (4... Nf6 5. d3 a6 6. O-O d6 7. a4 O-O 8. h3 Ba7 9. Re1) 5. d4 exd4 6. cxd4 Bb6 { C53 Italian Game: Classical Variation, La Bourdonnais Variation } 7. O-O Nf6 8. Nc3 O-O 9. Bg5 h6?! { (0.08 → 0.69) Inaccuracy. Bg4 was best. } (9... Bg4 10. d5) 10. Bh4?! { (0.69 → -0.26) Inaccuracy. Bxf6 was best. } (10. Bxf6 Qxf6 11. Nd5 Qd8 12. Nxb6 axb6 13. h3 Ne7 14. Qb3 Ra5 15. d5 Bd7 16. Rfe1 Rc5) 10... Bg4 11. d5 Ne5 12. Be2 Bxf3?! { (-0.62 → 0.25) Inaccuracy. Ng6 was best. } (12... Ng6 13. Bg3 Nh5 14. Na4 Re8 15. Nxb6 axb6 16. h3 Bxf3 17. Bxf3 Nxg3 18. fxg3 c5 19. dxc6) 13. Bxf3 g5 14. Bg3 Ng6 15. Bh5 Nxh5?! { (0.21 → 0.80) Inaccuracy. Qd7 was best. } (15... Qd7 16. Be2 Qe7 17. Bf3 Rfe8 18. Rc1 Qf8 19. Na4 Re7 20. h3 Qg7 21. Nxb6 axb6 22. a4) 16. Qxh5 Kg7 17. Kh1 Qf6 18. f4?! { (0.83 → 0.02) Inaccuracy. Qd1 was best. } (18. Qd1 Rae8) 18... gxf4 19. Bxf4 Nxf4 20. Qg4+ Kh7?? { (0.00 → 2.50) Blunder. Qg5 was best. } (20... Qg5 21. Qxf4 Qxf4 22. Rxf4 Bd4 23. Raf1 a5 24. Ne2 Bxb2 25. Ng3 a4 26. Nf5+ Kh7 27. Rh4) 21. Rxf4 Qg6 22. Qf5?? { (2.50 → 0.05) Blunder. Qh3 was best. } (22. Qh3 Rg8) 22... Qxf5 23. Rxf5 f6 24. Raf1 Kg6?? { (0.13 → 2.08) Blunder. Bd4 was best. } (24... Bd4 25. g3) 25. Ne2 Rf7?! { (1.64 → 2.22) Inaccuracy. Rae8 was best. } (25... Rae8) 26. Nf4+ Kh7 27. Ne6 Kg6?! { (2.70 → 4.17) Inaccuracy. Rg8 was best. } (27... Rg8 28. Rxf6) 28. R1f3 Re8 29. Rg3+?! { (4.23 → 2.72) Inaccuracy. h4 was best. } (29. h4 c6) 29... Kh7 30. Rh3?! { (3.74 → 2.86) Inaccuracy. Rgf3 was best. } (30. Rgf3 c6) 30... Rg8? { (2.86 → 5.10) Mistake. Kg6 was best. } (30... Kg6) 31. Ng5+?? { (5.10 → -7.53) Blunder. Rfh5 was best. } (31. Rfh5) 31... Rxg5 32. b3 Rxf5 33. exf5 Re7 34. g3 Re1+ 35. Kg2 Rg1+ 36. Kf3 Rf1+ 37. Ke4 Re1+ 38. Kd3 Re5 39. g4 Rxd5+ 40. Kc4 Rd4+ 41. Kc3 Rxg4 42. a4 Rg5 43. Rf3 Rg2 44. h3 Rf2 45. Rxf2 Bxf2 46. Kc4 Kg7 47. Kd5 Kf7 48. b4 Ke7 49. b5 Kd7 50. Kc4 Bb6 51. Kd5 c6+ 52. bxc6+ bxc6+ 53. Kc4 d5+ 54. Kd3 c5 55. Kc3 d4+ 56. Kc4 Kd6 57. h4 Ke5 58. a5 Bxa5 59. Kxc5?! { (-68.11 → Mate in 25) Checkmate is now unavoidable. Kd3 was best. } (59. Kd3 Bb4) 59... Bb6+?! { (Mate in 25 → -21.15) Lost forced checkmate sequence. d3 was best. } (59... d3) 60. Kc4 Kxf5 61. Kd3 Kg4 62. h5 Kxh5 63. Kd2 f5 64. Kd1 f4 65. Ke2 Kg4 66. Kf2 d3+ 67. Ke1 Kf3 68. Kd1 Kg2 69. Ke1 f3 70. Kd2 f2 71. Kd1 f1=Q+ 72. Kd2 Qe2+ 73. Kc3 Qc2+ 74. Kb4 Qc5+ 75. Kb3 Qc2+ 76. Kb4 Bc5+ 77. Kb5 d2 78. Ka5 Qc3+ 79. Kb5 Qb4+ 80. Kc6 Qb6+ 81. Kd5 d1=Q+ 82. Ke4 Qe6+ 83. Kf4 Qf3# { Black wins by checkmate. } 0-1