CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/l0Vda5Hz"] [Date "2024.03.09"] [White "Sasha"] [Black "Matilda"] [Result "0-1"] [UTCDate "2024.03.09"] [UTCTime "18:28:00"] [WhiteElo "1572"] [BlackElo "1535"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+11"] [WhiteTitle "IM🧁"] [BlackTitle "⛸"] [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 Nf6 5. c3?! { (0.92 → 0.21) Inaccuracy. Bb5 was best. } (5. Bb5 e6 6. Ne5 a6 7. Ba4 Bd6 8. Nxc6 Qd7 9. c4 bxc6 10. Be5 Ng4 11. cxd5 exd5) 5... e6 6. Bd3 Bg4?! { (-0.06 → 0.82) Inaccuracy. Ne4 was best. } (6... Ne4 7. h4 Bd6 8. Qc2 Bxf4 9. exf4 Qf6 10. Ng5 Nd6 11. Bxf5 Qxf5 12. Qxf5 Nxf5 13. h5) 7. Nbd2 Be7 8. h3 Bh5 9. g4?! { (0.87 → 0.28) Inaccuracy. Qb3 was best. } (9. Qb3 Rb8) 9... Bg6 10. Bxg6 hxg6 11. Be5?? { (0.39 → -1.73) Blunder. Qb3 was best. } (11. Qb3) 11... Qd7?? { (-1.73 → -0.04) Blunder. Nxg4 was best. } (11... Nxg4 12. Bxg7) 12. Bxf6?! { (-0.04 → -0.86) Inaccuracy. g5 was best. } (12. g5 Nh5) 12... Bxf6? { (-0.86 → 0.25) Mistake. gxf6 was best. } (12... gxf6) 13. e4?! { (0.25 → -0.31) Inaccuracy. b4 was best. } (13. b4 g5) 13... dxe4 14. Nxe4 O-O-O 15. Nxf6?? { (-0.12 → -2.45) Blunder. Qb3 was best. } (15. Qb3 Na5 16. Qc2 Qd5 17. b3 c5 18. O-O-O cxd4 19. Nxd4 Be7 20. Nf5 Ba3+ 21. Kb1 Qe5) 15... gxf6 16. Qc2? { (-2.62 → -4.19) Mistake. Qe2 was best. } (16. Qe2 Qd5) 16... e5 17. dxe5?! { (-3.85 → -6.00) Inaccuracy. Qe4 was best. } (17. Qe4 exd4 18. O-O-O Rhe8 19. Qd3 dxc3 20. Qxc3 Qe6 21. Kb1 Qe4+ 22. Ka1 f5 23. Rde1 Qf4) 17... fxe5?? { (-6.00 → -2.21) Blunder. Nxe5 was best. } (17... Nxe5 18. Nd4 Nf3+ 19. Kf1 Qd5 20. Nxf3 Qxf3 21. Kg1 f5 22. Qa4 Rd2 23. Rh2 b6 24. Rf1) 18. Qd2?? { (-2.21 → -7.74) Blunder. Nd2 was best. } (18. Nd2 Qd5) 18... Qxd2+?? { (-7.74 → -0.79) Blunder. Qxg4 was best. } (18... Qxg4 19. Qe2) 19. Nxd2 Rd7 20. O-O-O Rhd8?! { (-0.78 → 0.00) Inaccuracy. f5 was best. } (20... f5 21. gxf5 gxf5 22. Nc4 Rxd1+ 23. Kxd1 Kd7 24. h4 Ke6 25. h5 Ne7 26. f3 Kf6 27. h6) 21. Ne4 f5 22. gxf5 gxf5 23. Rxd7 Rxd7 24. Nf6 Rf7 25. Nd5 Rd7?! { (-0.72 → 0.00) Inaccuracy. Kd7 was best. } (25... Kd7 26. Nb4 Nxb4 27. cxb4 Ke6 28. Kd2 Rd7+ 29. Ke2 Rd4 30. a3 Re4+ 31. Kf3 Rh4 32. Kg3) 26. c4 Na5?! { (-0.17 → 0.37) Inaccuracy. Nd4 was best. } (26... Nd4 27. h4 c6 28. Ne3 Rh7 29. h5 Kd7 30. c5 Ke6 31. h6 f4 32. Nc4 e4 33. Nd6) 27. b3 b5 28. h4 bxc4 29. bxc4?! { (-0.42 → -1.25) Inaccuracy. Nf6 was best. } (29. Nf6 Rd6) 29... Nxc4 30. Ne3 Nxe3 31. fxe3 Rd3?? { (-1.62 → -0.03) Blunder. Rh7 was best. } (31... Rh7 32. h5 Rh6 33. Kd2 Kd7 34. Ke2 Ke6 35. e4 f4 36. Kf3 c5 37. Kg4 Rh8 38. h6) 32. h5 Rd8 33. h6 Rh8 34. h7 Kd7 35. Kd2 Ke7 36. Kd3 Kf7 37. Kc4 Kg7 38. Kc5?? { (0.00 → -5.47) Blunder. Kd5 was best. } (38. Kd5 Rxh7 39. Rxh7+ Kxh7 40. Kxe5 Kg6 41. e4 fxe4 42. Kxe4 Kf6 43. Kd5 Ke7 44. Kc6 Kd8) 38... Rxh7 39. Rxh7+?! { (-5.33 → -7.76) Inaccuracy. Rb1 was best. } (39. Rb1 Kf6) 39... Kxh7 40. Kc6 f4 41. exf4 exf4 42. Kxc7 f3 43. Kb7 f2 44. Kxa7 f1=Q 45. a4 Qf7+?! { (Mate in 10 → -55.71) Lost forced checkmate sequence. Qb1 was best. } (45... Qb1 46. a5 Qb5 47. Ka8 Qxa5+ 48. Kb7 Kg6 49. Kc6 Kf7 50. Kb7 Qb5+ 51. Kc8 Qb6 52. Kd7) 46. Ka6?! { (-55.71 → Mate in 8) Checkmate is now unavoidable. Kb6 was best. } (46. Kb6) 46... Qe6+?! { (Mate in 8 → -11.08) Lost forced checkmate sequence. Qb3 was best. } (46... Qb3 47. Ka7 Kg6 48. a5 Kf5 49. Ka8 Ke6 50. a6 Kd7 51. a7 Qc4 52. Kb7 Qc6+ 53. Kb8) 47. Kb5 Qd7+ 48. Kb4 Qa7 49. Kb5 Kg7 50. a5 Kf7 51. a6 Ke7 52. Ka5 Kd7 53. Kb5 Kc7 54. Ka5 Kc6 55. Kb4 Qxa6 56. Kb3 Qa5 57. Kc2 Qb4 58. Kd3 Qc5 59. Ke4 Qd6 60. Kf5 Qe7 61. Kg6 Qf8 62. Kh5 Qg7 63. Kh4 Qg6 64. Kh3 Qg5 65. Kh2 Qg4 66. Kh1 Kd5 67. Kh2 Ke4 68. Kh1 Kf3 69. Kh2 Kf2 70. Kh1 Qg2# { Black wins by checkmate. } 0-1