CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ym2ZuT2b"] [Date "2026.06.22"] [White "Ezra3"] [Black "Harvey"] [Result "1-0"] [UTCDate "2026.06.22"] [UTCTime "15:18:41"] [WhiteElo "1153"] [BlackElo "1095"] [WhiteRatingDiff "+36"] [BlackRatingDiff "-131"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. d4 e6 { A40 Horwitz Defense } 2. f3? { (0.47 → -0.57) Mistake. e4 was best. } (2. e4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. a3 cxd4) 2... Qf6? { (-0.57 → 0.79) Mistake. c5 was best. } (2... c5 3. e3 d5 4. f4 Be7 5. Nf3 Nf6 6. c3 O-O 7. Bd3 b6 8. Qe2 a5 9. a4) 3. e4 c5?! { (0.77 → 1.54) Inaccuracy. d5 was best. } (3... d5) 4. c3? { (1.54 → 0.30) Mistake. d5 was best. } (4. d5) 4... cxd4?! { (0.30 → 0.83) Inaccuracy. d5 was best. } (4... d5 5. Bd3 Qh4+ 6. g3 Qd8 7. Be3 Nc6 8. dxc5 Nf6 9. Nd2 Be7 10. Nh3 O-O 11. Nf2) 5. cxd4 Nc6 6. Ne2?! { (1.32 → 0.56) Inaccuracy. Be3 was best. } (6. Be3 Bb4+ 7. Nc3 d5 8. e5 Qd8 9. Bd3 Nge7 10. a3 Bxc3+ 11. bxc3 a6 12. a4 Qc7) 6... Nb4?? { (0.56 → 3.03) Blunder. d5 was best. } (6... d5 7. Nbc3) 7. a3 Na6 8. e5?! { (2.07 → 1.01) Inaccuracy. Nbc3 was best. } (8. Nbc3 Nc7) 8... Qh4+ 9. g3 Qd8 10. h4 Nh6? { (1.19 → 2.60) Mistake. d6 was best. } (10... d6 11. Bg5 Ne7 12. Nd2 dxe5 13. dxe5 h6 14. Ne4 Qxd1+ 15. Rxd1 Nd5 16. Bd2 Bd7 17. N2c3) 11. Bg5?! { (2.60 → 1.92) Inaccuracy. Bxh6 was best. } (11. Bxh6 gxh6 12. Nbc3 Be7 13. f4 O-O 14. Bg2 Nc7 15. O-O d6 16. Qd2 Bd7 17. Bxb7 Rb8) 11... Qa5+? { (1.92 → 3.67) Mistake. f6 was best. } (11... f6 12. Bxh6 gxh6 13. f4 Bg7 14. Bg2 O-O 15. O-O d6 16. exd6 f5 17. Nd2 Qxd6 18. Nc4) 12. b4?? { (3.67 → 0.46) Blunder. Nbc3 was best. } (12. Nbc3 b5) 12... Qb6?? { (0.46 → 3.87) Blunder. Nxb4 was best. } (12... Nxb4 13. Kf2 Nc6 14. Nd2 d5 15. g4 Bd7 16. Nb3 Qc7 17. Be3 f5 18. exf6 gxf6 19. Nf4) 13. Nbc3 Qc6? { (3.92 → 6.93) Mistake. Nf5 was best. } (13... Nf5 14. Rc1 Be7 15. g4 h6 16. Bxe7 Nxe7 17. Ne4 O-O 18. N2g3 Nc7 19. g5 h5 20. Qd2) 14. Bh3?! { (6.93 → 4.69) Inaccuracy. d5 was best. } (14. d5 Qb6 15. Na4 Qc7 16. d6 Qb8 17. Nd4 b5 18. Nxb5 f6 19. Bxh6 gxh6 20. Nc5 Qb6) 14... Qxf3?! { (4.69 → 7.84) Inaccuracy. Nc7 was best. } (14... Nc7 15. d5 Nxd5 16. Nxd5 Qxd5 17. Qxd5 exd5 18. Rc1 f6 19. exf6 Nf7 20. Nc3 Nxg5 21. hxg5) 15. Rf1 Qxc3+ 16. Bd2?? { (10.50 → -3.21) Blunder. Nxc3 was best. } (16. Nxc3 Nf5 17. d5 Nc7 18. dxe6 fxe6 19. Rf4 Bxb4 20. axb4 O-O 21. Rc4 Nd5 22. Nxd5 exd5) 16... Qc6? { (-3.21 → -1.85) Mistake. Qd3 was best. } (16... Qd3 17. Rb1) 17. d5?? { (-1.85 → -5.48) Blunder. Rc1 was best. } (17. Rc1 Qb6) 17... exd5?? { (-5.48 → -0.25) Blunder. Qxd5 was best. } (17... Qxd5 18. Rc1) 18. Bg5?? { (-0.25 → -2.25) Blunder. Rc1 was best. } (18. Rc1) 18... d6?! { (-2.25 → -1.57) Inaccuracy. Qb6 was best. } (18... Qb6 19. Rc1) 19. Nf4?? { (-1.57 → -8.15) Blunder. Rc1 was best. } (19. Rc1 Bxh3 20. Rxc6 bxc6 21. Nd4 Nc7 22. Bxh6 gxh6 23. Qe2 Bxf1 24. Kxf1 Ne6 25. Nxc6 Bg7) 19... dxe5? { (-8.15 → -4.20) Mistake. Bxh3 was best. } (19... Bxh3) 20. Ne6? { (-4.20 → -11.53) Mistake. Rc1 was best. } (20. Rc1 Nc5) 20... Bxe6 21. Rc1 Qb5 22. Bxe6 fxe6 23. Qc2 Bd6 24. Kf2 Kf7 25. Kg1+ Ke8 26. Qg2 Qb6+ 27. Rf2 Kd7 28. Qf3 Rac8 29. Be3 e4 30. Bxb6 exf3 31. Rxf3 Rxc1+ 32. Rf1 Rc2 33. Bxa7 Ng4 34. Bd4 Rd2 35. Rf7+ Ke8 36. Rxg7 Rxd4 37. Rxb7?! { (-24.62 → Mate in 7) Checkmate is now unavoidable. h5 was best. } (37. h5 Rf8) 37... Rf8 38. b5 Nc7?! { (Mate in 3 → -60.50) Lost forced checkmate sequence. Rf2 was best. } (38... Rf2 39. Rb8+ Nxb8 40. Kh1 Rd1#) 39. Kg2?! { (-60.50 → Mate in 2) Checkmate is now unavoidable. Rb8+ was best. } (39. Rb8+ Kd7 40. Rxf8 Bxf8 41. b6 Ne8 42. b7 Bd6 43. h5 Nef6 44. Kg2 Nxh5 45. Kh3 Bxg3) 39... Ne3+ 40. Kh3 Rd1 41. b6 Rg8 42. Rb8+ Kf7 43. Rxg8 Kxg8 44. b7 Nb5 45. a4 Rb1 46. a5 { White wins on time. } 1-0