CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/4LaUN0gn"] [Date "2026.06.26"] [White "Liam10"] [Black "Lucas1"] [Result "0-1"] [UTCDate "2026.06.26"] [UTCTime "20:09:01"] [WhiteElo "1056"] [BlackElo "1263"] [WhiteRatingDiff "-14"] [BlackRatingDiff "+8"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Polish Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. b4 { A00 Polish Opening } e5 2. a4?? { (-0.34 → -2.16) Blunder. Bb2 was best. } (2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 d5 5. cxd5 O-O 6. e3 Nxd5 7. a3 Ba5 8. Nf3 Bf5) 2... Bxb4 3. Bb2 Nf6?! { (-2.04 → -0.95) Inaccuracy. d6 was best. } (3... d6) 4. Ra2?? { (-0.95 → -3.27) Blunder. Bxe5 was best. } (4. Bxe5) 4... O-O?! { (-3.27 → -1.97) Inaccuracy. Nc6 was best. } (4... Nc6 5. e3) 5. c3?? { (-1.97 → -4.14) Blunder. Bxe5 was best. } (5. Bxe5 d5 6. c3 Ba5 7. e3 c5 8. Bxb8 Rxb8 9. Nf3 Re8 10. Be2 d4 11. cxd4 cxd4) 5... Ba5 { Black offers draw } 6. g4? { (-4.09 → -7.55) Mistake. e3 was best. } (6. e3) 6... Nxg4 7. h4 h5 8. Rh3 f5?! { (-9.04 → -5.21) Inaccuracy. d5 was best. } (8... d5 9. e3 Nc6 10. Rg3 d4 11. Nf3 dxe3 12. dxe3 Qxd1+ 13. Kxd1 Nxf2+ 14. Ke2 Ne4) 9. Rg3?! { (-5.21 → -7.48) Inaccuracy. Nf3 was best. } (9. Nf3 d5 10. Ng5 e4 11. f3 Bb6 12. e3 exf3 13. Rxf3 Nc6 14. c4 d4 15. c5 Bxc5) 9... Kh8?! { (-7.48 → -5.47) Inaccuracy. f4 was best. } (9... f4 10. Rg2 d5 11. Qb3 Nc6 12. Nf3 e4 13. Ng5 f3 14. Rxg4 hxg4 15. exf3 exf3 16. Kd1) 10. Rxg4?! { (-5.47 → -10.53) Inaccuracy. Nf3 was best. } (10. Nf3 d6) 10... fxg4 11. Bg2 g3 12. Bh3 Rxf2 13. e4 d5 14. Qxh5+ Kg8 15. Qxe5 Qf6?? { (-9.24 → -2.47) Blunder. Rf7 was best. } (15... Rf7) 16. Qxf6?! { (-2.47 → -3.92) Inaccuracy. Qxd5+ was best. } (16. Qxd5+) 16... gxf6?? { (-3.92 → 0.14) Blunder. Rxf6 was best. } (16... Rxf6 17. Bxc8 Nc6 18. c4 d4 19. Bxb7 Re8 20. Bxc6 Rxc6 21. Kf1 Rf6+ 22. Kg2 c5 23. Ba3) 17. Bxc8 Na6 18. Be6+?? { (0.44 → -3.56) Blunder. Bxb7 was best. } (18. Bxb7) 18... Kf8?? { (-3.56 → 1.05) Blunder. Kh8 was best. } (18... Kh8 19. d4 Re8 20. Bxd5 c6 21. Bc4 Rxe4+ 22. Ne2 Bc7 23. Bc1 Rh2 24. Kf1 Nc5 25. Nd2) 19. Bg4?? { (1.05 → -5.29) Blunder. Ne2 was best. } (19. Ne2 Re8 20. Ba3+ c5 21. Bxd5 Bc7 22. d4 Kg7 23. Bxb7 Rb8 24. Rb2) 19... f5?! { (-5.29 → -3.39) Inaccuracy. Re8 was best. } (19... Re8) 20. Bh5? { (-3.39 → -6.16) Mistake. Bxf5 was best. } (20. Bxf5 dxe4 21. Bxe4 Re8 22. d3 Nc5 23. Ba3 Rxa2 24. Bxc5+ Kf7 25. Kd1 Rxe4 26. dxe4 Bb6) 20... Re8?? { (-6.16 → 0.45) Blunder. dxe4 was best. } (20... dxe4 21. Ba3+) 21. Bxe8?? { (0.45 → -3.49) Blunder. Ba3+ was best. } (21. Ba3+ c5) 21... Kxe8 22. Kd1? { (-3.78 → -7.37) Mistake. Ne2 was best. } (22. Ne2 f4) 22... Rf1+ 23. Ke2 Rxg1 24. Na3 d4?! { (-9.40 → -5.16) Inaccuracy. fxe4 was best. } (24... fxe4 25. Ra1) 25. cxd4 fxe4 26. Ke3?! { (-5.16 → -12.85) Inaccuracy. Ra1 was best. } (26. Ra1 Rxa1) 26... Rg2?! { (-12.85 → -5.60) Inaccuracy. Re1+ was best. } (26... Re1+ 27. Kf4) 27. Ra1 Bxd2+ 28. Kxe4 Ba5?? { (-5.66 → -1.05) Blunder. Rf2 was best. } (28... Rf2 29. Rg1) 29. Bc1?! { (-1.05 → -2.10) Inaccuracy. Nc4 was best. } (29. Nc4 Bb4 30. h5 Rc2 31. Kd3 Rh2 32. Rg1 Bf8 33. Bc3 Rh3 34. Ke4 Nb4 35. Bxb4 Bxb4) 29... Bd2?? { (-2.10 → -0.37) Blunder. Rg1 was best. } (29... Rg1 30. Kf3 g2 31. Kf2 Rd1 32. Kxg2 Rxd4 33. h5 Rxa4 34. h6 Kf7 35. Ra2 Nc5 36. Rf2+) 30. Bxd2 Rxd2 31. Nc4?? { (-0.56 → -2.91) Blunder. Rg1 was best. } (31. Rg1) 31... Ra2?? { (-2.91 → 8.45) Blunder. Rh2 was best. } (31... Rh2 32. Kf3) 32. Ne3?? { (8.45 → -9.36) Blunder. Rxa2 was best. } (32. Rxa2) 32... Rxa1 33. Nc2 Rc1 34. Ne3 Rg1 35. Ng4 Rh1 36. Nf2? { (-7.68 → Mate in 12) Checkmate is now unavoidable. Kf3 was best. } (36. Kf3 Rg1 37. Ne3 Kf7 38. Ng2 Rd1 39. Kxg3 Rxd4 40. Kf3 Rxa4 41. h5 Ra3+ 42. Kg4 Nb4) 36... g2?! { (Mate in 12 → -15.08) Lost forced checkmate sequence. gxf2 was best. } (36... gxf2 37. h5 Rxh5 38. Ke3 f1=Q 39. Ke4 Rh4+ 40. Ke5 Qf4+ 41. Kd5 Qf3+ 42. Kc4 Qf7+ 43. Kd3) 37. Ng4 g1=Q 38. Ne5?! { (-15.99 → Mate in 6) Checkmate is now unavoidable. Ne5 was best. } (38. Ne5 Qd1) 38... b5?! { (Mate in 6 → -14.08) Lost forced checkmate sequence. Rxh4+ was best. } (38... Rxh4+ 39. Kf3 Qxd4 40. Nc4 Qe4+ 41. Kf2 Rh2+ 42. Kg3 Rg2+ 43. Kh3 Qg4#) 39. axb5?! { (-14.08 → Mate in 6) Checkmate is now unavoidable. axb5 was best. } (39. axb5 Qb1+) 39... Qe1+?! { (Mate in 6 → -72.61) Lost forced checkmate sequence. Qg2+ was best. } (39... Qg2+ 40. Ke3 Nb4 41. Nf3 Rf1 42. d5 Qxf3+ 43. Kd4 Qd3+ 44. Kc5 Qc3#) 40. Kf4?! { (-72.61 → Mate in 6) Checkmate is now unavoidable. Kd5 was best. } (40. Kd5 Qa5) 40... Rxh4+ 41. Kf5 Rh5+ 42. Kg6 Qh4 43. Nf3 Qg5+?? { (Mate in 3 → -6.16) Lost forced checkmate sequence. Qg4+ was best. } (43... Qg4+ 44. Kf6 Qxf3+ 45. Ke6 Qf5#) 44. Nxg5 Rxg5+ 45. Kxg5 Nb4 46. b6 cxb6 47. d5 a5 48. d6 a4 49. Kh4 a3 50. Kh3 a2 51. Kh2 a1=Q 52. Kh3 Qh1+ 53. Kg4 Nd3 54. Kf5 b5 55. Kg6 b4 56. Kg7 b3 57. Kg8 b2 58. Kg7 b1=Q 59. Kf6 Qhf1+ 60. Kg6 Nf4+ 61. Kf6 Ng2+ 62. Kg7 Qff5 63. Kh8 Qh7# { Black wins by checkmate. } 0-1