CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/PT4Hsi1A"] [Date "2026.06.26"] [White "Aryana"] [Black "Daniella"] [Result "1/2-1/2"] [UTCDate "2026.06.26"] [UTCTime "20:03:18"] [WhiteElo "1070"] [BlackElo "989"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Bf5 3. Nc3 Nc6 4. Nxd5?? { (0.42 → -5.41) Blunder. e4 was best. } (4. e4 Bxe4 5. Nxe4 dxe4 6. d5 Nb4 7. c4 Na6 8. a3 e6 9. dxe6 Qxd1+ 10. Rxd1 fxe6) 4... Nxd4?? { (-5.41 → 9.91) Blunder. Qxd5 was best. } (4... Qxd5 5. c3 e5 6. dxe5 Nge7 7. Nf3 O-O-O 8. e3 Qxd1+ 9. Rxd1 Rxd1+ 10. Kxd1 Be6 11. Kc2) 5. Qxd4 Qxd5 6. Qxd5 c5 7. Qxc5 Bd3 8. cxd3 e5 9. Bxe5 Bxc5 10. O-O-O O-O-O 11. Bxg7 Re8 12. Bxh8 Bf8 13. Nf3 Bg7 14. Bxg7 Ne7 15. h4 Nf5 16. Bc3 Ng7 17. Bxg7 Rg8 18. Bc3 Rxg2 19. Bxg2 f5 20. a4 f4 21. b4 h5 22. Nd4 b5 23. Bd5 Kd7 24. Be6+ Kd6 25. Nxb5+ Kxe6 26. Bd4 Kf5 27. e3 Kg4 28. Rdg1+ Kf3 29. Rf1 Kg2 30. Rfg1+ Kxf2 31. Rg2+?! { (Mate in 3 → 62.79) Lost forced checkmate sequence. Kd2 was best. } (31. Kd2 fxe3+ 32. Bxe3+ Kf3 33. Nd4#) 31... Kxg2 32. Re1 Kf2 33. exf4+ Kxe1 34. Nc3 Kf1 35. Nd1 Kg2 36. f5 Kh3 37. f6 Kxh4 38. f7 Kg5 39. f8=Q h4 40. Qe7+ Kf5 41. Nf2 Kg6 42. Ng4 Kf5 43. Nf6 Kg6 44. Nh5 Kxh5 45. Qf7+ Kg5 46. Be3+ Kg4 47. Qg7+ Kh5 48. Bf4 h3 49. Bh2 Kh4 50. Be5 h2 51. Bxh2 Kh3 52. Bf4 Kh4 53. Qh7+ Kg4 54. Qh4+?! { (Mate in 5 → 70.84) Lost forced checkmate sequence. Qe4 was best. } (54. Qe4 a6 55. a5 Kh3 56. Qf3+ Kh4 57. Qg3+ Kh5 58. Qg5#) 54... Kxh4 55. Bg3+ Kxg3 56. b5 Kf4 57. d4 Ke4 58. d5?? { (54.23 → 0.10) Blunder. a5 was best. } (58. a5 Kd5 59. Kd2 Kd6 60. Ke3 Kd5 61. b6 axb6 62. axb6 Kc6 63. Kf4 Kd6 64. Ke4 Kc6) 58... Kxd5 59. b6 Kc6 60. b7 Kxb7 61. a5 Ka6 62. Kb2 Kxa5 63. Kc3 Kb5 64. Kd4?? { (0.00 → -57.71) Blunder. Kb3 was best. } (64. Kb3 Ka5 65. Ka3 a6 66. Kb3 Kb5 67. Ka3 a5 68. Kb3 a4+ 69. Ka3 Kc4 70. Kxa4 Kd3) 64... Kb6?? { (-57.71 → -0.05) Blunder. Kb4 was best. } (64... Kb4 65. Ke3 Kc3 66. Kf4 a5 67. Kf5 a4 68. Ke6 a3 69. Kf6 a2 70. Ke7 Kc4 71. Kf8) 65. Kd5?? { (-0.05 → -57.28) Blunder. Kc4 was best. } (65. Kc4 Ka5 66. Kb3 a6 67. Ka3 Kb5 68. Kb3 a5 69. Ka3 a4 70. Ka2 Kb4 71. Kb2 a3+) 65... a6?? { (-57.28 → 0.00) Blunder. Kb5 was best. } (65... Kb5 66. Ke4 Kb4 67. Kf5 Kc4 68. Kg6 a5 69. Kg7 a4 70. Kg6 a3 71. Kf7 a2 72. Kf6) 66. Kc4 Ka5 67. Kb3 Kb5 68. Ka3 Ka5 69. Kb3 Kb5 70. Kc3 a5 71. Kb3 Kc5 72. Ka4 Kb6 73. Kb3 Kb5 74. Kc3 Ka4 75. Kb2 Kb4 76. Kc2 Kc4 77. Kb2 Kb4 78. Kc2 a4 79. Kd3?? { (0.00 → -56.48) Blunder. Kb2 was best. } (79. Kb2 a3+ 80. Ka1 Kb3 81. Kb1 Ka4 82. Ka2 Kb4) 79... a3?? { (-56.48 → 0.00) Blunder. Kb3 was best. } (79... Kb3 80. Ke4 a3 81. Kf5 a2 82. Kg6 a1=Q 83. Kh7 Qc3 84. Kg6 Qc7 85. Kg5 Qc8 86. Kh5) 80. Kd4?? { (0.00 → Mate in 13) Checkmate is now unavoidable. Kc2 was best. } (80. Kc2 Kc4 81. Kb1 Kb3 82. Ka1 a2) 80... Kb3 81. Kd3 Kb2?! { (Mate in 17 → -54.82) Lost forced checkmate sequence. a2 was best. } (81... a2 82. Ke4 a1=Q 83. Kf5 Qa6 84. Ke5 Qh6 85. Kf5 Qd6 86. Kg5 Qe6 87. Kh5 Qf6 88. Kg4) 82. Kd2?! { (-54.82 → Mate in 15) Checkmate is now unavoidable. Kc4 was best. } (82. Kc4 a2 83. Kd5 a1=Q 84. Kd4 Qf1 85. Ke4 Qf6 86. Kd3 Qf2 87. Kc4 Qa7 88. Kb5 Qb7+) 82... a2 83. Kd1 { wins on time. } 1/2-1/2