CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/O2Ha0zfl"] [Date "2026.01.18"] [White "Dom"] [Black "Diego"] [Result "0-1"] [UTCDate "2026.01.18"] [UTCTime "18:04:14"] [WhiteElo "1425"] [BlackElo "1617"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+6"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A45"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nc3?! { (0.38 → -0.14) Inaccuracy. c4 was best. } (2. c4) 2... Nf6 { A45 Queen's Pawn Game: Chigorin Variation } 3. Nf3 Nc6 4. Bf4 Bg4 5. e3 e6 6. Bd3 Bd6 7. Bg3 O-O 8. Qe2? { (-0.20 → -1.42) Mistake. Qd2 was best. } (8. Qd2 Bxf3) 8... a5? { (-1.42 → -0.06) Mistake. Bxg3 was best. } (8... Bxg3 9. hxg3 e5 10. dxe5 Nxe5 11. Qd1 c5 12. O-O h5 13. Be2 Re8 14. Bb5 Nc6 15. Bxc6) 9. Bxd6?! { (-0.06 → -0.59) Inaccuracy. Bh4 was best. } (9. Bh4 Nb4 10. h3 Bxf3 11. Qxf3 Be7 12. O-O c6 13. Rac1 Nxd3 14. cxd3 a4 15. a3 Ne8) 9... Qxd6 10. O-O?? { (-0.32 → -1.94) Blunder. h3 was best. } (10. h3) 10... h6?? { (-1.94 → -0.15) Blunder. e5 was best. } (10... e5) 11. b3?? { (-0.15 → -1.98) Blunder. h3 was best. } (11. h3 Bxf3 12. Qxf3 Nb4 13. a3 Nxd3 14. cxd3 c6 15. Qd1 Nd7 16. Rc1 Rfb8 17. Qc2 Qe7) 11... Nb4?? { (-1.98 → -0.32) Blunder. e5 was best. } (11... e5 12. dxe5) 12. Bb5?? { (-0.32 → -2.30) Blunder. h3 was best. } (12. h3) 12... c6? { (-2.30 → -0.92) Mistake. Ne4 was best. } (12... Ne4 13. Nb1) 13. Bd3 Nxd3 14. cxd3 c5 15. dxc5 Qxc5 16. Rfc1 Qd6 17. d4 Ne4?! { (-0.58 → -0.06) Inaccuracy. Rac8 was best. } (17... Rac8) 18. Nb5 Qb6 19. Na3? { (-0.45 → -1.80) Mistake. h3 was best. } (19. h3 Bxf3 20. gxf3 Ng5 21. Kg2 Rfc8 22. Rc3 Rxc3 23. Nxc3 e5 24. h4 exd4 25. Nxd5 Qd6) 19... Rac8? { (-1.80 → -0.32) Mistake. a4 was best. } (19... a4) 20. Nc2?? { (-0.32 → -2.13) Blunder. Qb5 was best. } (20. Qb5) 20... Rc7?! { (-2.13 → -1.51) Inaccuracy. Nc3 was best. } (20... Nc3 21. Qf1 a4 22. Nce1 axb3 23. axb3 Qxb3 24. Nd3 Bf5 25. Nfe5 Ra8 26. h4 Bxd3 27. Nxd3) 21. Nce1 Rfc8 22. Nd3 Qb5 23. Kf1?? { (-0.91 → -4.16) Blunder. Rxc7 was best. } (23. Rxc7) 23... Bxf3?? { (-4.16 → -1.37) Blunder. Qxd3 was best. } (23... Qxd3 24. Qxd3 Rxc1+ 25. Rxc1 Rxc1+ 26. Ne1 Rd1 27. f3 Rxd3 28. Nxd3 Nc3 29. fxg4 Nxa2 30. Nc5) 24. gxf3 Nd6?! { (-1.07 → -0.37) Inaccuracy. Nc3 was best. } (24... Nc3) 25. Kg2? { (-0.37 → -1.52) Mistake. Rxc7 was best. } (25. Rxc7 Rxc7 26. Rc1 Rxc1+ 27. Nxc1 Qc6 28. Nd3 Nf5 29. Qb2 Nh4 30. Ke2 a4 31. Qc1 Qa6) 25... Rxc1? { (-1.52 → -0.46) Mistake. Rc3 was best. } (25... Rc3 26. Rxc3 Rxc3 27. Rd1 Nf5 28. Qd2 Rc6 29. Kh3 b6 30. Qe2 Rc3 31. Qd2 Rc8 32. Qe2) 26. Rxc1 Rxc1 27. Nxc1 Qxe2 28. Nxe2 f5 29. Nc1 Nb5 30. Kg3 Nc3 31. Kf4?! { (0.00 → -0.59) Inaccuracy. a4 was best. } (31. a4 g5 32. Kg2 Kf7 33. Kf1 b5 34. axb5 Nxb5 35. Nd3 Ke7 36. Ne5 Kd6 37. Ke2 Na7) 31... g6?? { (-0.59 → 2.09) Blunder. Kf7 was best. } (31... Kf7 32. Kg3 Kf6 33. f4 g5 34. a4 g4 35. Nd3 Ne4+ 36. Kh4 b6 37. Kh5 Kg7 38. Kh4) 32. Ke5 Kf7?! { (1.67 → 2.29) Inaccuracy. Kf7 was best. } (32... Kf7) 33. Kf4?? { (2.29 → -1.00) Blunder. Kd6 was best. } (33. Kd6 b5 34. Kc5 Kf6 35. Kb6 a4 36. f4 g5 37. Ka5 axb3 38. axb3 h5 39. Nd3 gxf4) 33... Kf6 34. h4 h5?! { (-0.66 → 0.00) Inaccuracy. g5+ was best. } (34... g5+ 35. hxg5+) 35. Kg3 g5 36. hxg5+ Kxg5 37. Kh3?? { (0.00 → -2.27) Blunder. f4+ was best. } (37. f4+ Kh6 38. Kh3 a4 39. bxa4 Nxa4 40. Nd3 Nc3 41. a3 b6 42. Kh4 Nb1 43. a4 Nc3) 37... f4 38. Kg2? { (-2.28 → -4.12) Mistake. Nd3 was best. } (38. Nd3) 38... fxe3 39. fxe3 h4? { (-3.99 → -2.41) Mistake. Kf5 was best. } (39... Kf5 40. Kf2) 40. f4+?? { (-2.41 → -6.28) Blunder. a4 was best. } (40. a4) 40... Kg4 41. Kh2 { White offers draw } 41... b5 42. Kg2 h3+ 43. Kh2 Ne4?? { (-6.09 → -2.22) Blunder. Kf3 was best. } (43... Kf3 44. Nd3 Kxe3 45. Nc5 Kxf4 46. a4 Ke3 47. Kxh3 bxa4 48. bxa4 Kxd4 49. Nb3+ Ke4 50. Nxa5) 44. Ne2?? { (-2.22 → -7.00) Blunder. Nd3 was best. } (44. Nd3 Kh4 45. Ne5 a4 46. bxa4 bxa4 47. Ng6+ Kg4 48. a3 Nc3 49. Nf8 Nd1 50. Nxe6 Nxe3) 44... Nd2 45. Ng1 Nf1+ 46. Kh1 Nxe3 47. Kh2 Nf1+ 48. Kh1 Ng3+ 49. Kh2 Nf1+ 50. Kh1 Kxf4 51. Nxh3+ Ke3 52. Kg2 Nd2 53. Kg3 Kxd4 54. Nf4 e5 55. Ne6+ Ke4 56. Nc5+ Kd4 57. Ne6+ Ke4 58. Nc5+ Ke3 59. a4 bxa4 60. bxa4 Ne4+ 61. Kg2 Nxc5 62. Kf1 d4 63. Ke1?! { (-77.14 → Mate in 9) Checkmate is now unavoidable. Kg2 was best. } (63. Kg2 Nxa4 64. Kg3 e4 65. Kg4 Nc3 66. Kf5 a4 67. Kf6 a3 68. Kg6 d3 69. Kf6 d2) 63... d3 64. Kd1 Nb3 65. Ke1 d2+?! { (Mate in 6 → -76.26) Lost forced checkmate sequence. Kf3 was best. } (65... Kf3 66. Kd1 e4 67. Ke1 e3 68. Kf1 e2+ 69. Kg1 Kg3 70. Kh1 e1=R#) 66. Kd1?! { (-76.26 → Mate in 7) Checkmate is now unavoidable. Kd1 was best. } (66. Kd1 Nc1 67. Kc2 Ke2 68. Kc3 d1=Q 69. Kc4 Qxa4+ 70. Kc5 Qd1 71. Kb6 a4 72. Kb5 a3) 66... Kd4 67. Kc2 Ke3 68. Kd1 Kd4 69. Kc2 e4 70. Kd1 e3 71. Ke2 Nc5 72. Kd1 Nxa4 73. Ke2 Nc3+ 74. Kf3 d1=Q+ 75. Kf4 Qf1+ 76. Kg3 Ke4 77. Kg4 Qg1+ 78. Kh5 Kf4 79. Kh6 Kf5 80. Kh7 Kf6 81. Kh6 Qg7+ 82. Kh5 Qg5# { Black wins by checkmate. } 0-1