CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Jed9LoUW"] [Date "2023.07.25"] [White "Sasha"] [Black "Jason"] [Result "0-1"] [UTCDate "2023.07.25"] [UTCTime "20:28:33"] [WhiteElo "1551"] [BlackElo "1474"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+26"] [WhiteTitle "IM🧁"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nc6?! { (0.21 → 0.88) Inaccuracy. Nf6 was best. } { D02 Queen's Pawn Game: Chigorin Variation } (2... Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. Be2) 3. Bf4 Bf5 4. e3 Nb4 5. Bd3 e6? { (0.27 → 1.36) Mistake. Nxd3+ was best. } (5... Nxd3+ 6. cxd3 c6 7. Nc3 e6 8. e4 Bg6 9. h4 Bh5 10. Qb3 Qb6 11. Nd2 Qxb3 12. Nxb3) 6. Bxf5 exf5 7. c3 Nc6 8. Nbd2 Nf6 9. Bg5 h6 10. Bxf6 Qxf6 11. O-O f4?? { (0.88 → 2.58) Blunder. g5 was best. } (11... g5 12. Qa4) 12. Re1?! { (2.58 → 1.93) Inaccuracy. exf4 was best. } (12. exf4 Qxf4 13. Re1+ Be7 14. Ne5 Qf6 15. Qb3 Rd8 16. Qxb7 Nxe5 17. Rxe5 Qb6 18. Qxb6 axb6) 12... Bd6?? { (1.93 → 8.00) Blunder. O-O-O was best. } (12... O-O-O 13. e4) 13. exf4+?? { (8.00 → 2.84) Blunder. e4 was best. } (13. e4) 13... Kf8? { (2.84 → 4.86) Mistake. Ne7 was best. } (13... Ne7) 14. f5?? { (4.86 → 1.74) Blunder. Qb3 was best. } (14. Qb3 Ne7) 14... Qxf5 15. Qe2?! { (1.73 → 0.98) Inaccuracy. Nf1 was best. } (15. Nf1 Qd7) 15... g6 16. Nh4?! { (0.98 → 0.00) Inaccuracy. Nf1 was best. } (16. Nf1 Ne7 17. Ne3 Qc8 18. h4 c6 19. h5 Qe6 20. hxg6 Qxg6 21. Nh4 Qf6 22. g3 Rg8) 16... Qf4? { (0.00 → 1.44) Mistake. Qc2 was best. } (16... Qc2 17. g3 Qxb2 18. Qd3 Re8 19. Rxe8+ Kxe8 20. Rb1 Qxa2 21. Nxg6 fxg6 22. Qxg6+ Kf8 23. Qf6+) 17. Nhf3?! { (1.44 → 0.75) Inaccuracy. g3 was best. } (17. g3 Qf6 18. Qb5 Ne7 19. Qxb7 Kg7 20. Qa6 Rab8 21. b4 h5 22. Qd3 g5 23. Rxe7 Bxe7) 17... Kg7 18. Nb3?! { (0.76 → 0.12) Inaccuracy. Qb5 was best. } (18. Qb5 Ne7) 18... f6?? { (0.12 → 1.92) Blunder. Qf5 was best. } (18... Qf5) 19. Na5?? { (1.92 → -5.21) Blunder. Qb5 was best. } (19. Qb5 Qf5) 19... Kf7?? { (-5.21 → 7.62) Blunder. Nxa5 was best. } (19... Nxa5) 20. Nxb7?! { (7.62 → 5.56) Inaccuracy. Qe6+ was best. } (20. Qe6+ Kf8 21. Nxb7 Rh7 22. Qxd5 Ne7 23. Qc4 Rf7 24. Nxd6 cxd6 25. Re6 Nf5 26. Qe2 g5) 20... Rae8 21. Qd2?? { (6.83 → 2.38) Blunder. Qb5 was best. } (21. Qb5 Rxe1+) 21... Qxd2 22. Nxd2?? { (2.24 → 0.59) Blunder. Nxd6+ was best. } (22. Nxd6+ cxd6 23. Nxd2 Rb8 24. b3 Ne7 25. Kf1 Rhc8 26. Rac1 a5 27. Ke2 g5 28. Kd3 f5) 22... Re7?? { (0.59 → 3.29) Blunder. Rxe1+ was best. } (22... Rxe1+ 23. Rxe1 Be7 24. Nb3 Rb8 25. N7c5 Bxc5 26. dxc5 a5 27. Re2 a4 28. Nd4 Nxd4 29. cxd4) 23. Nxd6+ cxd6 24. Rxe7+ Nxe7 25. Nf3 Nf5 26. Re1 Rb8 27. b3?! { (2.94 → 2.29) Inaccuracy. Rb1 was best. } (27. Rb1 h5) 27... Rb6?! { (2.29 → 3.19) Inaccuracy. g5 was best. } (27... g5 28. Rc1) 28. Rc1 Ra6 29. a4 Rb6 30. Rb1?! { (3.19 → 1.94) Inaccuracy. b4 was best. } (30. b4 Rc6) 30... Ne7? { (1.94 → 3.80) Mistake. Rc6 was best. } (30... Rc6 31. Rc1 g5 32. g4 Ng7 33. Ne1 f5 34. gxf5 Nxf5 35. Nd3 Rc8 36. Kf1 Nh4 37. h3) 31. c4?? { (3.80 → -2.86) Blunder. Kf1 was best. } (31. Kf1 Rc6) 31... dxc4 32. Nd2?? { (-2.89 → -6.24) Blunder. b4 was best. } (32. b4 Nd5) 32... c3 33. Ne4 c2 34. Rc1 Rc6?? { (-6.60 → -2.13) Blunder. Rxb3 was best. } (34... Rxb3 35. Nd2 Rb2 36. Kf1 Nc6 37. Ke2 Nxd4+ 38. Kd3 Rb4 39. a5 Ke6 40. Nf3 Nxf3 41. gxf3) 35. Nd2?? { (-2.13 → -5.31) Blunder. Kf1 was best. } (35. Kf1 Ke6 36. Ke2 f5 37. Ng3 Nd5 38. Kd2 Rc3 39. Ne2 Rxb3 40. Rxc2 Ra3 41. Rc8 Rxa4) 35... Nf5?? { (-5.31 → -2.27) Blunder. Rc3 was best. } (35... Rc3) 36. Nc4?? { (-2.27 → -7.00) Blunder. Nf3 was best. } (36. Nf3 h5 37. d5 Rc3 38. Kf1 g5 39. Ke1 Kg6 40. Kd2 Rxb3 41. Rxc2 Rb4 42. Ra2 Ne7) 36... d5 37. Na3 Nxd4 38. Kf1 Nxb3?! { (-6.92 → -4.87) Inaccuracy. Ke6 was best. } (38... Ke6) 39. Nxc2? { (-4.87 → -9.68) Mistake. Rxc2 was best. } (39. Rxc2 Rxc2) 39... d4 40. Rb1 Nd2+ 41. Ke2 Nxb1 42. Kd3 Rxc2 43. Kxc2 Na3+ 44. Kd3 g5 45. Kxd4 Nc2+ 46. Kc3 Ne1 47. Kd2 Nxg2 48. Ke2 Nf4+ 49. Kf3 Nh3 50. Kg3 Nf4 51. Kf3 h5 52. Kg3 f5 53. Kf3 Nh3 54. Kg3 g4 55. Kh4 Nxf2 56. Kxh5 f4 57. Kg5 g3 58. hxg3?! { (-72.29 → Mate in 14) Checkmate is now unavoidable. h4 was best. } (58. h4 g2) 58... fxg3 59. Kf4 g2 60. Kf3 g1=Q 61. Ke3 Qg4 62. Kd2 Qxa4 63. Ke2 Ng4 64. Kf3 Qd4 65. Ke2 a5 66. Kf3 a4 67. Ke2 a3 68. Kf3 a2 69. Kg3 a1=Q 70. Kg2 Qac3 71. Kf1 Qdd2 72. Kg1 Qcc1# { Black wins by checkmate. } 0-1