CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/GD3wz2i3"] [Date "2026.08.03"] [White "Muriel"] [Black "Kojo"] [Result "1/2-1/2"] [UTCDate "2026.08.03"] [UTCTime "23:37:26"] [WhiteElo "1496"] [BlackElo "702"] [WhiteRatingDiff "-97"] [BlackRatingDiff "+76"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Pirc Defense"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. e4 d6 { B00 Pirc Defense } 2. Bc4?! { (0.68 → -0.03) Inaccuracy. d4 was best. } (2. d4 e5) 2... c5 3. Qh5 Nf6?? { (-0.33 → 2.86) Blunder. g6 was best. } (3... g6 4. Qh4) 4. Qxf7+ Kd7 5. Qe6+?? { (2.72 → -0.21) Blunder. Nf3 was best. } (5. Nf3 Nc6) 5... Kc7 6. Qf7 Rg8?? { (0.04 → 2.99) Blunder. Nc6 was best. } (6... Nc6) 7. Qxg8?? { (2.99 → -3.29) Blunder. Nc3 was best. } (7. Nc3 Nc6 8. Nd5+ Kb8 9. Nxf6 Rh8 10. Nd5 Ne5 11. Qf4 Nxc4 12. d3 Na5 13. Ne2 e6) 7... Nxg8 8. Bxg8 Nc6?! { (-2.75 → -1.95) Inaccuracy. e6 was best. } (8... e6 9. h4) 9. Nf3? { (-1.95 → -4.06) Mistake. Bb3 was best. } (9. Bb3) 9... Nd4?? { (-4.06 → -1.62) Blunder. Bg4 was best. } (9... Bg4 10. Bb3) 10. d3?? { (-1.62 → -6.92) Blunder. Nxd4 was best. } (10. Nxd4 cxd4 11. Bb3 Qe8 12. O-O Qg6 13. f3 Bh3 14. Rf2 e5 15. d3 Be7 16. Kh1 Bh4) 10... Be6?? { (-6.92 → -1.08) Blunder. Nxc2+ was best. } (10... Nxc2+ 11. Ke2 Nxa1 12. Na3 g6 13. d4 Bg7 14. Bd5 cxd4 15. Nxd4 Bxd4 16. Nb5+ Kb8 17. Nxd4) 11. Bd2?? { (-1.08 → -6.59) Blunder. Bxe6 was best. } (11. Bxe6 Nxe6) 11... Bxg8 12. Ba5+ b6 13. Bc3 Ne6 14. O-O b5?? { (-7.38 → 4.25) Blunder. g5 was best. } (14... g5 15. Kh1 Kb7 16. Ng1 a5 17. a3 Qc8 18. f3 Bf7 19. g3 Bh6 20. b3 Qg8 21. a4) 15. d4?? { (4.25 → -6.97) Blunder. Ba5+ was best. } (15. Ba5+ Kd7 16. Bxd8 Kxd8 17. Nc3 b4 18. Ne2 g5 19. c3 a5 20. a3 Bg7 21. axb4 cxb4) 15... b4 16. Bd2 cxd4 17. Nxd4 Nxd4 18. Re1 Nxc2 19. Bxb4 Nxb4 20. Na3 Nd3 21. Rad1 Nxb2 22. Nb5+ Kd7 23. Rc1 Na4 24. Rc7+ Ke6 25. Rec1 Rb8 26. Rxa7 Rxb5 27. Rxa4 Re5 28. f4 Kd7 29. fxe5 dxe5?? { (-6.84 → 7.08) Blunder. Ke6 was best. } (29... Ke6 30. exd6 exd6 31. Kh1 Qg5 32. Rac4 Qe3 33. Rc7 Bf7 34. a4 Be7 35. a5 Qd3) 30. Rd1+ Ke8 31. Rxd8+ Kxd8 32. Ra7?? { (7.38 → 0.52) Blunder. Ra8+ was best. } (32. Ra8+) 32... Kc8?? { (0.52 → 6.41) Blunder. Be6 was best. } (32... Be6 33. a4) 33. a4?? { (6.41 → 0.00) Blunder. Ra8+ was best. } (33. Ra8+) 33... Kb8 34. Rd7 Kc8 35. Rd5?? { (0.00 → -6.39) Blunder. Ra7 was best. } (35. Ra7 Kb8 36. Rd7 Kc8) 35... e6?? { (-6.39 → -0.62) Blunder. Bxd5 was best. } (35... Bxd5) 36. Rxe5 Bd6 37. a5?? { (-0.95 → -8.40) Blunder. Rg5 was best. } (37. Rg5 g6) 37... Bxe5 38. a6 Kb8 39. g4 Ka8 40. g5 Ka7 41. h4 Kxa6 42. h5 g6 43. hxg6 hxg6 44. Kg2 Kb5 45. Kf3 Kc4 46. Kg4 Bh7 47. Kh4 Kd3 48. Kg4?! { (-69.06 → Mate in 7) Checkmate is now unavoidable. Kh3 was best. } (48. Kh3 Kxe4 49. Kg2 Kf4 50. Kf2 Kxg5 51. Ke3 Kf5 52. Kd3 g5 53. Kc4 g4 54. Kb5 g3) 48... Ke3?! { (Mate in 7 → -69.35) Lost forced checkmate sequence. Kxe4 was best. } (48... Kxe4 49. Kh3 Kf3 50. Kh4 Bf4 51. Kh3 e5 52. Kh4 Bg8 53. Kh3 Be6+ 54. Kh4 Bg3#) 49. Kh3?! { (-69.35 → Mate in 7) Checkmate is now unavoidable. Kh4 was best. } (49. Kh4 Kxe4 50. Kh3 Kf3 51. Kh4 Bf4 52. Kh3 Bxg5 53. Kh2 Be3 54. Kh3 g5 55. Kh2 g4) 49... Kxe4?! { (Mate in 7 → -69.25) Lost forced checkmate sequence. Kf3 was best. } (49... Kf3 50. Kh4 Bg8 51. Kh3 Bf7 52. Kh4 Be8 53. Kh3 Bb5 54. Kh4 Bg3+ 55. Kh3 Bf1#) 50. Kg4?! { (-69.25 → Mate in 6) Checkmate is now unavoidable. Kg2 was best. } (50. Kg2 Kf4 51. Kf2 Kxg5 52. Ke3 Kf5 53. Kd3 g5 54. Kc4 g4 55. Kb4 g3 56. Kc5 g2) 50... Ke3 51. Kh4 Kf4 52. Kh3 Kxg5 53. Kg2 Kg4 54. Kf2 Kh3 55. Ke3 Kg3 56. Ke4 Kg4 57. Kxe5 Kg5 58. Kxe6 Bg8+ 59. Ke7 { wins on time. } 1/2-1/2