CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/pMsTTom9"] [Date "2026.06.28"] [White "Matthew12"] [Black "Christian1"] [Result "0-1"] [UTCDate "2026.06.28"] [UTCTime "17:33:52"] [WhiteElo "1432"] [BlackElo "1755"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+2"] [WhiteTitle "GM⍩"] [BlackTitle "IM🐍"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Pirc Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d6 2. d4 { B00 Pirc Defense } g6 3. Nf3 Bg7 4. Bc4 Be6?? { (0.73 → 2.92) Blunder. Nf6 was best. } (4... Nf6 5. Qe2) 5. Bxe6 fxe6 6. Bf4? { (2.93 → 1.43) Mistake. Ng5 was best. } (6. Ng5 Qc8 7. d5 e5 8. Ne6 Bf6 9. Nc3 c6 10. g4 h6 11. h4 Nd7 12. Qf3 Nf8) 6... Nd7 7. O-O e5 8. dxe5 dxe5?! { (1.80 → 2.92) Inaccuracy. Bxe5 was best. } (8... Bxe5 9. Nxe5 Nxe5 10. Bxe5 dxe5 11. Qe2 Qd7 12. Nd2 O-O-O 13. Nf3 Nf6 14. Qe3 Kb8 15. Nxe5) 9. Be3 Ngf6 10. Nc3 c6?! { (2.59 → 3.50) Inaccuracy. h6 was best. } (10... h6 11. Qe2 O-O 12. Rfd1 Qc8 13. Rd3 c6 14. a4 Kh7 15. Rad1 b6 16. Qd2 Nc5 17. Bxc5) 11. Ng5?! { (3.50 → 2.70) Inaccuracy. Qe2 was best. } (11. Qe2 Ng4 12. Ng5 Nxe3 13. fxe3 Qb6 14. Ne6 Bh6 15. Qc4 Bxe3+ 16. Kh1 Nc5 17. Ng7+ Kd7) 11... Qc8 12. Ne6 Kf7 13. Ng5+ Kg8?! { (2.61 → 3.53) Inaccuracy. Ke8 was best. } (13... Ke8 14. Ne6) 14. Ne6?! { (3.53 → 2.17) Inaccuracy. Qd3 was best. } (14. Qd3 Nf8) 14... Nf8 15. Nxg7?! { (2.28 → 1.33) Inaccuracy. Nxf8 was best. } (15. Nxf8) 15... Kxg7 16. f4 exf4 17. Rxf4 Nh5?? { (1.18 → 4.68) Blunder. Qc7 was best. } (17... Qc7 18. Rf2) 18. Rh4?! { (4.68 → 3.25) Inaccuracy. Qd4+ was best. } (18. Qd4+ Kg8 19. Rf2 h6 20. Raf1 Ne6 21. Qc4 Qd7 22. Rd1 Qc8 23. Ne2 b5 24. Qb3 a5) 18... e5?! { (3.25 → 4.79) Inaccuracy. Ne6 was best. } (18... Ne6 19. Rxh5) 19. g4?? { (4.79 → 0.68) Blunder. Qd6 was best. } (19. Qd6 h6) 19... Nf4 20. Bxf4 exf4 21. Qd4+ Kg8 22. Rf1?! { (0.71 → 0.00) Inaccuracy. Ne2 was best. } (22. Ne2) 22... Ne6 23. Qc4? { (0.28 → -0.80) Mistake. Qf6 was best. } (23. Qf6 Qd7) 23... g5?? { (-0.80 → 6.38) Blunder. b5 was best. } (23... b5 24. Qb4) 24. Rh6 Kf7 25. e5 Qe8?! { (6.26 → 10.04) Inaccuracy. Re8 was best. } (25... Re8) 26. Ne4 Kg7 27. Rxe6 Qd8 28. Nxg5?! { (12.42 → 6.42) Inaccuracy. Nf6 was best. } (28. Nf6) 28... Qxg5 29. h3? { (6.59 → 3.56) Mistake. Qxf4 was best. } (29. Qxf4) 29... Rae8? { (3.56 → 6.46) Mistake. Rhe8 was best. } (29... Rhe8 30. Rf6) 30. Rxe8?? { (6.46 → 2.29) Blunder. Rf6 was best. } (30. Rf6 Rhf8) 30... Rxe8 31. Qxf4 Qxf4?! { (2.29 → 3.12) Inaccuracy. Qxe5 was best. } (31... Qxe5) 32. Rxf4 Rxe5 33. h4? { (2.92 → 1.29) Mistake. Kf2 was best. } (33. Kf2 a5 34. Rd4 Rc5 35. c3 b5 36. h4 b4 37. cxb4 Rc2+ 38. Kf3 Rxb2 39. Rd7+ Kg8) 33... Re2 34. Rc4 Re1+?? { (1.09 → 3.00) Blunder. a5 was best. } (34... a5 35. b3) 35. Kf2 Rh1 36. Kg3 Rg1+ 37. Kh3 Rb1 38. b3 Rb2?! { (3.03 → 3.90) Inaccuracy. Kf6 was best. } (38... Kf6 39. Rc5 Rh1+ 40. Kg3 Rg1+ 41. Kf3 Rf1+ 42. Kg2 Re1 43. Rf5+ Kg7 44. Rg5+ Kf6 45. Rc5) 39. a4 Rb1 40. h5 Rh1+ 41. Kg3 Rg1+ 42. Kh4 Rh1+ 43. Kg3 Rg1+ 44. Kh4 Rh1+ 45. Kg5 h6+?! { (3.94 → 5.09) Inaccuracy. Rd1 was best. } (45... Rd1) 46. Kf5 Rf1+?! { (4.54 → 6.51) Inaccuracy. Kf7 was best. } (46... Kf7 47. Rd4) 47. Rf4 Rc1 48. g5?? { (6.56 → 0.52) Blunder. Rd4 was best. } (48. Rd4 Rf1+ 49. Ke5 Re1+ 50. Kd6 Re2 51. c4 Kf6 52. Kc7 Re7+ 53. Rd7 Re3 54. Rd6+ Kg5) 48... hxg5 49. Kxg5 Rxc2 50. h6+ Kh7?? { (0.47 → 4.49) Blunder. Kg8 was best. } (50... Kg8) 51. Rf7+ Kh8 52. Kg6?? { (4.59 → 0.19) Blunder. Rf8+ was best. } (52. Rf8+ Kh7 53. Rf7+ Kh8 54. Rxb7 a5 55. Kg6 Rg2+ 56. Kf5 Rd2 57. Ra7 Rb2 58. Rxa5 Rxb3) 52... Rg2+ 53. Kf6 Rf2+?? { (0.17 → 3.60) Blunder. b5 was best. } (53... b5) 54. Kg6?? { (3.60 → 0.25) Blunder. Ke6 was best. } (54. Ke6 Re2+ 55. Kd6 Rd2+ 56. Kc7 Rb2 57. Kxb7 Rxb3+ 58. Ka6 c5 59. Rc7 Rc3 60. Rxa7 Rc4) 54... Rxf7?? { (0.25 → 8.68) Blunder. Rg2+ was best. } (54... Rg2+) 55. Kxf7 Kh7 56. Kf6?? { (8.64 → 0.48) Blunder. Ke7 was best. } (56. Ke7) 56... Kxh6?? { (0.48 → 9.88) Blunder. b5 was best. } (56... b5 57. a5 c5 58. Ke5 Kxh6 59. Kd5 c4 60. bxc4 b4 61. Ke4 Kg7 62. Kd3 Kf6 63. Kc2) 57. Ke7?? { (9.88 → 0.04) Blunder. a5 was best. } (57. a5 c5 58. Ke7 Kg5 59. Kd6 Kf5 60. Kc7 Ke4 61. Kxb7 Kd5 62. Kxa7 Kc6 63. Ka6 Kc7) 57... Kg5?? { (0.04 → 9.37) Blunder. b5 was best. } (57... b5 58. Kd6 bxa4 59. bxa4 Kg7 60. Kxc6 Kf8 61. Kb7 a5 62. Kb6 Ke8 63. Kxa5 Kd8 64. Kb6) 58. Kd7?? { (9.37 → 0.00) Blunder. a5 was best. } (58. a5) 58... Kf5?? { (0.00 → 54.07) Blunder. b5 was best. } (58... b5 59. Kxc6 bxa4 60. bxa4 Kf6 61. Kb7 a5 62. Ka6 Ke6 63. Kxa5 Kd7 64. Kb6 Kc8 65. Ka7) 59. Kc7?? { (54.07 → 0.00) Blunder. a5 was best. } (59. a5 Ke4 60. Kc7 b5 61. axb6 axb6 62. Kxc6 Kd4 63. b4 Ke4 64. Kxb6 Kd5 65. b5 Kd6) 59... Ke4?? { (0.00 → 57.79) Blunder. b5 was best. } (59... b5 60. axb5 cxb5 61. Kc6 b4 62. Kc5 Ke4 63. Kxb4 Kd3 64. Ka5 Kc3 65. b4 Kb3 66. b5) 60. Kxb7 Kd3 61. Kxa7 Kc3 62. Kb6 Kxb3 63. Ka5?? { (57.35 → 0.00) Blunder. a5 was best. } (63. a5 Kb4 64. a6 c5 65. a7 Kc4 66. a8=Q Kd4 67. Qa2 c4 68. Kb5 c3 69. Qc4+ Ke5) 63... c5 64. Kb5 c4 65. Ka5?? { (0.00 → -54.67) Blunder. a5 was best. } (65. a5 c3 66. a6 c2 67. a7 c1=Q 68. a8=Q Qc4+ 69. Kb6 Qb4+ 70. Kc7 Qe7+ 71. Kb6 Qd6+) 65... c3 66. Kb5 c2 67. a5 c1=Q 68. a6?! { (-60.17 → Mate in 8) Checkmate is now unavoidable. Kb6 was best. } (68. Kb6 Kb4 69. a6 Qc5+ 70. Kb7 Qb5+ 71. Kc7 Qxa6 72. Kd7 Qf6 73. Kc7 Qd4 74. Kc8 Qa7) 68... Qf1+?! { (Mate in 8 → -42.00) Lost forced checkmate sequence. Qc7 was best. } (68... Qc7 69. a7 Qxa7 70. Kc6 Qe7 71. Kd5 Kc3 72. Kc6 Kc4 73. Kb6 Qd7 74. Ka6 Kc5 75. Ka5) 69. Kb6 Qf6+ 70. Kb7 Qe7+ 71. Kb6?! { (-56.12 → Mate in 12) Checkmate is now unavoidable. Kc6 was best. } (71. Kc6 Kc4 72. a7 Qxa7 73. Kd6 Qe3 74. Kc7 Qe6 75. Kb7 Qh6 76. Ka7 Qf6 77. Kb7 Kb4) 71... Qd8+?! { (Mate in 12 → -42.71) Lost forced checkmate sequence. Qd6+ was best. } (71... Qd6+ 72. Kb7 Qd7+ 73. Kb6 Kb4 74. a7 Qc8 75. a8=R Qxa8 76. Kc7 Qa6 77. Kd7 Kc5 78. Ke7) 72. Kb7?! { (-42.71 → Mate in 11) Checkmate is now unavoidable. Kc6 was best. } (72. Kc6 Qa8+ 73. Kd6 Qxa6+ 74. Ke5 Qf1 75. Ke6 Qf4 76. Ke7 Qf5 77. Kd6 Qf6+ 78. Kd5 Qe7) 72... Qd7+ 73. Kb6 Qc8 74. a7 Qa8 75. Ka6 Kc4 76. Kb6 Kd5 77. Ka6 Kd6 78. Kb6 Kd7 79. Ka6 Kc7 { White resigns. } 0-1