CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/2lmQHwGU"] [Date "2026.10.28"] [White "Caleb5"] [Black "Mason6"] [Result "1-0"] [UTCDate "2026.10.28"] [UTCTime "13:55:53"] [WhiteElo "1325"] [BlackElo "1206"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-10"] [WhiteTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Queen's Pawn Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 { A40 Queen's Pawn Game } a5?! { (0.41 → 1.08) Inaccuracy. Nf6 was best. } (1... Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4) 2. Bf4 b6?! { (0.65 → 1.57) Inaccuracy. Nf6 was best. } (2... Nf6 3. Nf3 d5 4. e3 Bf5 5. Ne5 h5 6. c4 e6 7. Qb3 Bb4+ 8. Nc3 O-O 9. a3) 3. e3?! { (1.57 → 0.80) Inaccuracy. e4 was best. } (3. e4 e6) 3... Na6 4. Bxa6?? { (1.12 → -0.63) Blunder. Nc3 was best. } (4. Nc3 Bb7) 4... Rxa6? { (-0.63 → 0.62) Mistake. Bxa6 was best. } (4... Bxa6) 5. Bxc7?? { (0.62 → -6.45) Blunder. c4 was best. } (5. c4 Bb7 6. d5 e6 7. Nc3 Nf6 8. Nge2 Ra8 9. e4 Bc5 10. Ng3 O-O 11. e5 exd5) 5... Qxc7 6. Nc3 Qd8?! { (-6.53 → -4.95) Inaccuracy. Ra8 was best. } (6... Ra8 7. Nf3) 7. Nd5?! { (-4.95 → -8.28) Inaccuracy. Qf3 was best. } (7. Qf3 a4 8. a3 g6 9. Nge2 Bg7 10. O-O-O Ra5 11. e4 Bb7 12. d5 d6 13. Nd4 Nf6) 7... Bb7 8. Nc3 Qc7 9. Nd5 Qd8 10. Nxb6 Rxb6 11. a4 Ra6 12. Ra3 Ra8 13. Rb3 Qc7 14. Rxb7 Qxb7 15. Nf3 Kd8 16. Ne5 Kc8 17. Nxf7 Kb8?! { (-6.37 → -3.95) Inaccuracy. Qxg2 was best. } (17... Qxg2 18. Rf1) 18. Nxh8 Ka7?? { (-4.92 → -2.08) Blunder. Qxg2 was best. } (18... Qxg2) 19. Nf7? { (-2.08 → -3.63) Mistake. O-O was best. } (19. O-O Nf6) 19... Nh6?! { (-3.63 → -2.73) Inaccuracy. Qxg2 was best. } (19... Qxg2 20. Ke2) 20. Nxh6 gxh6? { (-2.83 → -1.16) Mistake. Qxg2 was best. } (20... Qxg2) 21. h4?? { (-1.16 → -3.56) Blunder. Qh5 was best. } (21. Qh5 Qxg2 22. Qxa5+ Kb7 23. Qb5+ Kc7 24. Rf1 e6 25. c3 Qxh2 26. b4 Qg2 27. Ke2 Qg5) 21... Rb8?? { (-3.56 → -1.30) Blunder. Qxg2 was best. } (21... Qxg2 22. Ke2 Rc8 23. Rg1 Qc6 24. c3 Rb8 25. Qc2 Qc4+ 26. Kd2 Rb7 27. Rb1 Qd5 28. b4) 22. h5?? { (-1.30 → -5.71) Blunder. O-O was best. } (22. O-O Qxb2 23. c4 Qb4 24. Qh5 e6 25. c5 Qxa4 26. g3 Qb5 27. Ra1 Ka6 28. Qf7 Qb7) 22... Ka8?? { (-5.71 → -0.82) Blunder. Qxg2 was best. } (22... Qxg2 23. Rh4) 23. g4?? { (-0.82 → -10.02) Blunder. Qd3 was best. } (23. Qd3 Ka7) 23... Bg7?? { (-10.02 → -1.87) Blunder. Qxh1+ was best. } (23... Qxh1+) 24. g5?? { (-1.87 → -10.84) Blunder. O-O was best. } (24. O-O Qe4) 24... Bf8?? { (-10.84 → -2.91) Blunder. Qxh1+ was best. } (24... Qxh1+ 25. Ke2 Qxd1+ 26. Kxd1 hxg5 27. b3 g4 28. Ke2 Rf8 29. Kf1 Kb7 30. c3 Rf5 31. Kg2) 25. gxh6?? { (-2.91 → -10.38) Blunder. Rg1 was best. } (25. Rg1 Qxb2) 25... Bxh6?? { (-10.38 → -2.69) Blunder. Qxh1+ was best. } (25... Qxh1+ 26. Kd2 Qxd1+ 27. Kxd1 Rxb2 28. Kd2 Kb7 29. f4 Bxh6 30. Kd3 Rb4 31. f5 Rxa4 32. e4) 26. e4?? { (-2.69 → -14.00) Blunder. Rh4 was best. } (26. Rh4) 26... Qxb2?! { (-14.00 → -5.68) Inaccuracy. Qxe4+ was best. } (26... Qxe4+ 27. Qe2 Qxh1+ 28. Qf1 Qxf1+ 29. Kxf1 Rxb2 30. c3 Rc2 31. d5 Rxc3 32. d6 exd6 33. Ke1) 27. c4?! { (-5.68 → -9.80) Inaccuracy. Rh3 was best. } (27. Rh3 Rb4) 27... Rb7?! { (-9.80 → -6.08) Inaccuracy. Qb4+ was best. } (27... Qb4+ 28. Ke2) 28. c5 Ra7?! { (-7.32 → -4.34) Inaccuracy. Bd2+ was best. } (28... Bd2+ 29. Kf1 Bc3 30. Qe2 Bxd4 31. Qxb2 Rxb2 32. Kg2 Bxc5 33. Rd1 d6 34. Rd5 Rxf2+ 35. Kg3) 29. e5 Qb8?! { (-4.37 → -2.88) Inaccuracy. Rb7 was best. } (29... Rb7 30. O-O) 30. e6? { (-2.88 → -5.50) Mistake. Qd3 was best. } (30. Qd3 Rb7) 30... dxe6?! { (-5.50 → -4.02) Inaccuracy. Rb7 was best. } (30... Rb7 31. Qf3 Ka7 32. Ke2 Qg8 33. Qe4 Rb2+ 34. Kf1 Qxe6 35. Qxe6 dxe6 36. Rg1 Rb1+ 37. Kg2) 31. d5? { (-4.02 → -7.00) Mistake. O-O was best. } (31. O-O Qg8+) 31... exd5?! { (-7.00 → -4.44) Inaccuracy. Qe5+ was best. } (31... Qe5+) 32. c6?! { (-4.44 → -7.38) Inaccuracy. Qxd5+ was best. } (32. Qxd5+ Rb7) 32... e6 33. Rg1 e5?? { (-7.07 → -1.01) Blunder. Rc7 was best. } (33... Rc7 34. Qc2) 34. Qxd5 e4?? { (-1.18 → Mate in 6) Checkmate is now unavoidable. Qb4+ was best. } (34... Qb4+ 35. Kf1) 35. Qxe4?? { (Mate in 6 → -2.71) Lost forced checkmate sequence. c7+ was best. } (35. c7+ Rb7 36. cxb8=Q+ Kxb8 37. Qd8+ Ka7 38. Qxa5+ Kb8 39. Rg8+ Bf8 40. Rxf8#) 35... Bc1?? { (-2.71 → Mate in 9) Checkmate is now unavoidable. Rc7 was best. } (35... Rc7) 36. Qd5?? { (Mate in 9 → 1.28) Lost forced checkmate sequence. c7+ was best. } (36. c7+ Rb7 37. cxb8=R+ Kxb8 38. Qe5+ Kc8 39. Rg8+ Kd7 40. Qd5+ Ke7 41. Rg7+ Kf6 42. Rxb7 Bd2+) 36... Ba3?? { (1.28 → Mate in 6) Checkmate is now unavoidable. Qb4+ was best. } (36... Qb4+) 37. c7+ Qb7 38. c8=Q# { White wins by checkmate. } 1-0