CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/1QpNs0fR"] [Date "2026.02.10"] [White "Cora"] [Black "ChessMasterPlayer"] [Result "0-1"] [UTCDate "2026.02.10"] [UTCTime "15:16:17"] [WhiteElo "1515"] [BlackElo "1481"] [WhiteRatingDiff "-26"] [BlackRatingDiff "+11"] [WhiteTitle "🧶"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 Nf6 3. Nf3 { D02 Queen's Pawn Game: London System } Bf5 4. Nc3 e6 5. Nb5 Bd6 6. Nxd6+ cxd6 7. e3 O-O 8. Bd3 Bxd3 9. Qxd3 Qb6 10. O-O Nc6?? { (0.03 → 1.68) Blunder. Rc8 was best. } (10... Rc8 11. Rfb1 Nc6 12. c3 Na5 13. Nd2 Qc6 14. a4 a6 15. f3 Nc4 16. a5 Nxd2 17. Qxd2) 11. Bg5?? { (1.68 → -0.42) Blunder. Bxd6 was best. } (11. Bxd6 Rfc8 12. Bc5 Qc7 13. Rfc1 b6 14. Ba3 Qb7 15. b3 a5 16. c4 a4 17. h3 h6) 11... e5? { (-0.42 → 1.09) Mistake. Ne4 was best. } (11... Ne4 12. Rfb1 Rfc8 13. c3 Na5 14. Bf4 Nc4 15. Qc2 Qc6 16. a4 a5 17. Ng5 Nf6 18. Nf3) 12. Bxf6 gxf6?? { (0.65 → 2.35) Blunder. e4 was best. } (12... e4 13. Qb3) 13. dxe5 dxe5 14. Qxd5 Qxb2 15. c4 Rad8?! { (1.34 → 1.94) Inaccuracy. Rfd8 was best. } (15... Rfd8 16. Qe4 Qe2 17. Rab1 Rab8 18. Qf5 Kg7 19. Qg4+ Kh8 20. h3 Qxa2 21. Nh4 Ne7 22. Ra1) 16. Qb5? { (1.94 → 0.46) Mistake. Qe4 was best. } (16. Qe4 Qe2 17. Rab1 Qd3 18. Qxd3 Rxd3 19. Rxb7 Ra3 20. Nh4 Rxa2 21. h3 h5 22. Nf5 Nd8) 16... Qxb5 17. cxb5 Ne7 18. e4 a6 19. bxa6 bxa6 20. Ne1?! { (0.52 → -0.44) Inaccuracy. Rab1 was best. } (20. Rab1 Rd3 21. Rb6 Kg7 22. Nh4 Rc8 23. Rxa6 Rd7 24. Ra4 Rc2 25. h3 Rb2 26. Ra6 Rc2) 20... f5 21. exf5 Nxf5 22. Nc2 Nd4 23. Nxd4 exd4 24. Rad1 Rfe8 25. f3 d3 26. Rfe1 Rxe1+ 27. Rxe1 d2 28. Rd1 f5?! { (0.12 → 0.72) Inaccuracy. Rd3 was best. } (28... Rd3 29. Kf2 h5 30. Ke2 Ra3 31. Rxd2 Kg7 32. h3 Kg6 33. h4 f6 34. Kf2 Ra4 35. Kg3) 29. g4?! { (0.72 → -0.10) Inaccuracy. Kf2 was best. } (29. Kf2 Rd3 30. Ke2 Ra3 31. Rxd2 h5 32. h4 Kg7 33. Kf2 Kf6 34. Kg3 Ra4 35. Re2 Kg7) 29... fxg4 30. fxg4 Kg7 31. h4 Kg6 32. h5+?? { (-0.17 → -5.22) Blunder. Kf2 was best. } (32. Kf2 Rd4 33. Ke3 Rxg4 34. Rxd2 Kh5 35. Rd7 h6 36. Kf2 Ra4 37. Rd6 Rxa2+ 38. Kg3 Ra3+) 32... Kg5 33. Kf2 Kxg4 34. Ke2 Kxh5 35. Rxd2?! { (-5.86 → -8.72) Inaccuracy. Rh1+ was best. } (35. Rh1+ Kg5) 35... Rxd2+ 36. Kxd2 Kg4 37. Kc3 h5 38. a4 h4 39. Kb4 h3 40. Kc5 h2 41. Kb6 h1=Q 42. Kxa6?! { (-57.66 → Mate in 6) Checkmate is now unavoidable. Kxa6 was best. } (42. Kxa6 Qb1 43. Ka7 Qb3 44. a5 Qb1 45. Ka8 Qb5 46. Ka7 Qxa5+ 47. Kb7 Qc5 48. Kb8 Qc6) 42... Qc6+ 43. Ka5 Kf5 44. Kb4 Ke5 45. a5 Qd5 46. Ka4 Kd6 47. Kb4 Kc6 48. Ka4 Qh5?! { (Mate in 5 → -57.88) Lost forced checkmate sequence. Qb5+ was best. } (48... Qb5+ 49. Ka3 Qb1 50. Ka4 Kc5 51. Ka3 Kc4 52. a6 Qa1#) 49. Kb4?! { (-57.88 → Mate in 9) Checkmate is now unavoidable. Kb4 was best. } (49. Kb4 Qc5+ 50. Kb3 Qxa5 51. Kc2 Qd8 52. Kc3 Qd1 53. Kc4 Qf3 54. Kd4 Qe2 55. Kc3 Qe4) 49... Qg5?! { (Mate in 9 → -57.93) Lost forced checkmate sequence. Qc5+ was best. } (49... Qc5+ 50. Kb3 Qxa5 51. Kc2 Qd8 52. Kc3 Qd1 53. Kb2 Qd2+ 54. Kb1 Kb5 55. Ka1 Kc4 56. Kb1) 50. Ka4?! { (-57.93 → Mate in 9) Checkmate is now unavoidable. Kc3 was best. } (50. Kc3 Qxa5+ 51. Kd4 Qe1 52. Kd3 Qe8 53. Kd2 Qe4 54. Kd1 Qg4+ 55. Kc2 Qd4 56. Kb3 Kb5) 50... Kb7?! { (Mate in 9 → -59.18) Lost forced checkmate sequence. Qb5+ was best. } (50... Qb5+ 51. Ka3 Qxa5+ 52. Kb3 Qc5 53. Kb2 Kb5 54. Kb3 Qc1 55. Ka2 Kc5 56. Kb3 Qd2 57. Ka3) 51. Kb4?! { (-59.18 → Mate in 11) Checkmate is now unavoidable. Kb3 was best. } (51. Kb3 Qxa5 52. Kc2 Qd8 53. Kc3 Qd6 54. Kc2 Qd4 55. Kb3 Qd3+ 56. Kb2 Qd2+ 57. Ka3 Ka6) 51... Ka6?! { (Mate in 11 → -60.38) Lost forced checkmate sequence. Qd5 was best. } (51... Qd5 52. Kc3 Ka6 53. Kb4 Qd4+ 54. Kb3 Kxa5 55. Kc2 Kb5 56. Kc1 Kc4 57. Kc2 Qd5 58. Kb2) 52. Ka4?! { (-60.38 → Mate in 5) Checkmate is now unavoidable. Kc4 was best. } (52. Kc4 Qd2 53. Kc5 Qd7 54. Kc4 Qd6 55. Kc3 Qd5 56. Kc2 Kxa5 57. Kc3 Qd1 58. Kb2 Qd2+) 52... Qxa5+ 53. Kb3 Qh5 54. Kc4 Kb6 55. Kd4 Kc6 56. Ke4 Kd6 57. Kf4 Ke6 58. Ke4 Qh4+ 59. Ke3 Kd5 60. Kf3 Ke5 61. Ke3 Qh3+ 62. Kd2 Ke4 63. Kc2 Kd4 64. Kb2 Kc4 65. Ka2 Kb4 66. Kb2 Qh2+ 67. Kc1 Kb3 68. Kd1 Kc3 69. Ke1 Kd3 70. Kf1 Ke3 71. Ke1 Qe2# { Black wins by checkmate. } 0-1