CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/8lBRscu1"] [Date "2025.04.04"] [White "Kristofer"] [Black "Harry2"] [Result "1-0"] [UTCDate "2025.04.04"] [UTCTime "20:25:07"] [WhiteElo "1688"] [BlackElo "1646"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-5"] [WhiteTitle "GM😈"] [BlackTitle "GM🏆"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B53"] [Opening "Sicilian Defense: Chekhover Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4?! { (0.86 → 0.33) Inaccuracy. Nxd4 was best. } { B53 Sicilian Defense: Chekhover Variation } (4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 a6 7. Be3 d5 8. Nxd5 Nxd5 9. exd5 Qxd5 10. Nxc6 Qxc6) 4... Nc6 5. Bb5 Qa5+ 6. Nc3 Bd7 7. Bxc6 Bxc6 8. Bd2 O-O-O?? { (0.47 → 2.66) Blunder. e6 was best. } (8... e6 9. O-O-O) 9. O-O e5 10. Qe3 Nf6 11. Nd5?? { (2.31 → 0.28) Blunder. a4 was best. } (11. a4) 11... Nxd5 12. exd5 Qxd5 13. Rfd1? { (0.52 → -0.68) Mistake. Qxa7 was best. } (13. Qxa7) 13... e4?? { (-0.68 → 2.11) Blunder. Qc5 was best. } (13... Qc5) 14. Bc3? { (2.11 → 0.97) Mistake. Nd4 was best. } (14. Nd4 Kb8) 14... Qf5? { (0.97 → 2.67) Mistake. Qc5 was best. } (14... Qc5 15. Nd4) 15. Nd4 Qc5 16. Nxc6?? { (2.58 → -1.07) Blunder. b4 was best. } (16. b4 Qb6 17. a4 d5 18. a5 Qa6 19. Rab1 Be8 20. b5 Qh6 21. Qxh6 gxh6 22. Nf5 Rg8) 16... Qxe3 17. Nxa7+?? { (-1.33 → -9.92) Blunder. Ne7+ was best. } (17. Ne7+ Bxe7 18. fxe3 Rhg8 19. Rd5 g6 20. Bd4 a6 21. Bb6 Rdf8 22. Rad1 f5 23. c4 Kd7) 17... Qxa7 18. a3 e3 19. Kf1 exf2 20. Rd2 Be7 21. Rxf2 Bh4 22. g3 Bg5 23. Bxg7 Be3 24. Rxf7 Rhg8 25. Bc3 Qa6+ 26. Kg2 Qe2+ 27. Kh3?! { (-19.18 → Mate in 10) Checkmate is now unavoidable. Kh1 was best. } (27. Kh1 Qh5) 27... Rg6 28. Rxh7 Rd7?! { (Mate in 8 → -12.09) Lost forced checkmate sequence. Qg4+ was best. } (28... Qg4+ 29. Kg2 Rf8 30. Rf1 Qe2+ 31. Kh3 Qxf1+ 32. Kh4 Qf3 33. Rc7+ Kxc7 34. Ba5+ Kc8 35. b3) 29. Rh8+ Kc7 30. Re1 Qg4+ 31. Kg2 Qe4+ 32. Kh3 Rxg3+ 33. hxg3 Qh1+?? { (-8.54 → 9.45) Blunder. Qf5+ was best. } (33... Qf5+) 34. Kg4?? { (9.45 → -9.14) Blunder. Rxh1 was best. } (34. Rxh1) 34... Qxe1?? { (-9.14 → 0.97) Blunder. Qe4+ was best. } (34... Qe4+ 35. Kh3) 35. Bxe1 Rg7+? { (0.94 → 2.41) Mistake. Bd4 was best. } (35... Bd4 36. Re8 Rg7+ 37. Kf5 Bxb2 38. Re3 Rf7+ 39. Ke6 Rf6+ 40. Ke7 Rg6 41. Bc3 Bxa3 42. Ba5+) 36. Kf3 Bd4 37. Rh4 Be5?? { (2.02 → 4.82) Blunder. Bxb2 was best. } (37... Bxb2 38. Rc4+ Kb8 39. a4 Rf7+ 40. Rf4 Rh7 41. g4 Be5 42. Rc4 d5 43. Rc5 Rh3+ 44. Kf2) 38. Rc4+ Kd7 39. Rg4?? { (4.96 → 1.67) Blunder. Rb4 was best. } (39. Rb4 Kc6 40. a4 d5 41. Bf2 Rf7+ 42. Kg2 Re7 43. Rb6+ Kc7 44. Rb5 Bd6 45. Rb3 Be5) 39... Rf7+ 40. Kg2 Bxb2 41. a4? { (1.63 → 0.55) Mistake. Rb4 was best. } (41. Rb4 Bxa3 42. Rxb7+ Ke8 43. Rxf7 Kxf7 44. Kf3 d5 45. Kf4 Ke6 46. Bd2 Bd6+ 47. Kg4 Kf6) 41... Re7 42. Bb4?! { (0.90 → 0.00) Inaccuracy. Rb4 was best. } (42. Rb4 Rxe1 43. Rxb7+ Ke6 44. Rxb2 Ra1 45. Rb4 Ra2 46. Re4+ Kf6 47. Rc4 d5 48. Rc5 Ke5) 42... Re2+ 43. Kh3 Rxc2 44. Re4 Bc3?? { (-0.15 → 3.41) Blunder. Bf6 was best. } (44... Bf6 45. Ba5 Ra2 46. Rb4 Ke6 47. Rxb7 Rxa4 48. Be1 Be5 49. Rb4 Ra8 50. Kg2 Kf5 51. Kf3) 45. Bxc3?? { (3.41 → 0.00) Blunder. Rc4 was best. } (45. Rc4 Rb2 46. Bxc3 Rc2 47. a5 d5 48. Rd4 Rxc3 49. Rxd5+ Ke6 50. Rb5 Ra3 51. Kh4 Kf6) 45... Rxc3 46. Kg4 Kc6 47. Kf4 d5 48. Re2 d4 49. g4 d3 50. Rd2 Kc5 51. g5? { (0.00 → -1.39) Mistake. Ke3 was best. } (51. Ke3 Ra3 52. Rxd3 Rxa4 53. Rc3+ Kd5 54. Rd3+) 51... Rc4+? { (-1.39 → 0.00) Mistake. Kd4 was best. } (51... Kd4 52. g6 Rc8 53. Rb2 Rc7 54. Rh2 Kc3 55. Rh7 Rc4+ 56. Ke3 Rc6 57. g7 Re6+ 58. Kf4) 52. Kf5?? { (0.00 → -2.82) Blunder. Ke3 was best. } (52. Ke3 Rxa4 53. Kxd3 Rg4 54. Rc2+ Kb5 55. Rb2+ Kc6 56. Rc2+) 52... Rd4?? { (-2.82 → 0.00) Blunder. Kd4 was best. } (52... Kd4 53. Rd1 Rxa4 54. g6 Ra8 55. g7 b5 56. Rg1 Rg8 57. Kg6 b4 58. Kh7 Rxg7+ 59. Rxg7) 53. g6 Rxa4 54. Rxd3 Ra5?? { (0.29 → 5.88) Blunder. b5 was best. } (54... b5 55. g7 Ra8 56. Rg3 Rg8 57. Kf6 b4 58. Kf7 Rxg7+ 59. Rxg7 b3 60. Ke6 Kc4 61. Rb7) 55. Kf6?? { (5.88 → 0.27) Blunder. Rd8 was best. } (55. Rd8 Kb6+ 56. Kf6 Kc7 57. Rf8 Ra6+ 58. Kf7 Ra1 59. g7 Rg1 60. g8=Q Rxg8 61. Rxg8 Kd6) 55... Ra6+ 56. Kf7 Kc4?! { (0.08 → 1.03) Inaccuracy. b5 was best. } (56... b5 57. Re3 Rxg6 58. Kxg6 Kd4 59. Rg3 b4 60. Kf5 Kc4 61. Ke4 b3 62. Rg6 Kc3 63. Rb6) 57. Rd8? { (1.03 → 0.00) Mistake. g7 was best. } (57. g7) 57... b5 58. g7 Ra7+ 59. Kg6 Ra6+?? { (0.00 → 60.04) Blunder. Rxg7+ was best. } (59... Rxg7+ 60. Kxg7 b4 61. Kf6 b3 62. Ke5 b2 63. Rb8 Kc3 64. Ke4 Kc2 65. Rc8+ Kd1 66. Rb8) 60. Kf5 Ra5?! { (60.93 → Mate in 8) Checkmate is now unavoidable. Kb4 was best. } (60... Kb4 61. g8=Q) 61. g8=Q+ Kc3 62. Rc8+?! { (Mate in 6 → 60.14) Lost forced checkmate sequence. Qg3+ was best. } (62. Qg3+ Kc2 63. Rc8+ Kd2 64. Qc3+ Kd1 65. Qc1+ Ke2 66. Rc2+ Kd3 67. Qd2#) 62... Kd4?! { (60.14 → Mate in 4) Checkmate is now unavoidable. Kb4 was best. } (62... Kb4 63. Ra8 Rxa8 64. Qxa8 Kc4 65. Qc6+ Kd3 66. Qxb5+ Ke3 67. Qf1 Kd4 68. Qf2+ Kc4 69. Qa2+) 63. Qg4+ Kd5 64. Qe4+ Kd6 65. Qe6# { White wins by checkmate. } 1-0