CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/u2PWp2gr"] [Date "2026.10.07"] [White "Caleb5"] [Black "Mason6"] [Result "1-0"] [UTCDate "2026.10.07"] [UTCTime "13:54:25"] [WhiteElo "1407"] [BlackElo "1141"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-13"] [WhiteTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Bf5 3. b4? { (0.18 → -0.94) Mistake. c4 was best. } (3. c4 Nf6) 3... b5?? { (-0.94 → 0.60) Blunder. e6 was best. } (3... e6) 4. c3?! { (0.60 → -0.03) Inaccuracy. a4 was best. } (4. a4 bxa4) 4... c6? { (-0.03 → 1.35) Mistake. a5 was best. } (4... a5 5. e3 c6 6. Nd2 axb4 7. cxb4 e6 8. a3 Nd7 9. Ngf3 Ra7 10. Be2 Qa8 11. O-O) 5. Nh3?? { (1.35 → -0.94) Blunder. a4 was best. } (5. a4) 5... Nh6?? { (-0.94 → 1.49) Blunder. a5 was best. } (5... a5 6. Nd2) 6. e3?? { (1.49 → -0.60) Blunder. a4 was best. } (6. a4 bxa4) 6... e6?? { (-0.60 → 1.21) Blunder. a5 was best. } (6... a5 7. a3 axb4 8. cxb4 e5 9. Bxe5 Bxh3 10. gxh3 Bxb4+ 11. Nd2 Bxd2+ 12. Qxd2 O-O 13. Bg3) 7. Bd3?? { (1.21 → -0.82) Blunder. Bxh6 was best. } (7. Bxh6 gxh6 8. a4 Bxh3 9. gxh3 bxa4 10. Nd2 Bd6 11. Rxa4 Nd7 12. Qa1 O-O 13. Rxa7 e5) 7... Bd6?? { (-0.82 → 1.36) Blunder. Bxh3 was best. } (7... Bxh3) 8. O-O?? { (1.36 → -0.64) Blunder. Bg5 was best. } (8. Bg5) 8... O-O? { (-0.64 → 0.57) Mistake. Bxh3 was best. } (8... Bxh3 9. Bxd6) 9. a3?! { (0.57 → -0.40) Inaccuracy. Bxh6 was best. } (9. Bxh6 Bxh3 10. Bf4 Bf5 11. a4 a6 12. Bxf5 exf5 13. Bxd6 Qxd6 14. axb5 cxb5 15. Nd2 Nd7) 9... a6? { (-0.40 → 1.01) Mistake. Bg4 was best. } (9... Bg4 10. Qc2 Bxh3 11. Bxh6 gxh6 12. gxh3 Qh4 13. Kh1 Kh8 14. Qe2 f5 15. a4 Qxh3 16. f4) 10. Bxd6? { (1.01 → -0.04) Mistake. Bg5 was best. } (10. Bg5 Qc7 11. Bxh6 Bxh3 12. Bxg7 Kxg7 13. gxh3 Kh8 14. Kh1 f5 15. Nd2 Bxh2 16. Qh5 Bd6) 10... Bxd3 11. Qxd3 Qxd6 12. f4 f5 13. Nd2 Nd7 14. Nf3 Nf6?! { (-0.39 → 0.27) Inaccuracy. Nb6 was best. } (14... Nb6 15. Nf2 Ra7 16. Nd2 a5 17. Qe2 Rfa8 18. Nb3 Nc4 19. h3 Nf7 20. Nd3 Qe7 21. bxa5) 15. Nh4?! { (0.27 → -0.30) Inaccuracy. a4 was best. } (15. a4 Nf7) 15... Nh5?! { (-0.30 → 0.27) Inaccuracy. a5 was best. } (15... a5 16. Nf3) 16. Nxf5?? { (0.27 → -7.77) Blunder. Nf3 was best. } (16. Nf3 Nf6 17. a4 Nf7 18. Ne5 h6 19. Nf2 Qc7 20. a5 Nd6 21. Qe2 Kh7 22. h3 Nde4) 16... Nxf4?? { (-7.77 → 9.61) Blunder. exf5 was best. } (16... exf5 17. Ng5 Rfe8 18. a4 Nf6 19. Nf3 Qe6 20. Ra3 Nf7 21. Rfa1 h6 22. h3 Ne4 23. Qd1) 17. Nxd6?? { (9.61 → 0.19) Blunder. Nxh6+ was best. } (17. Nxh6+ gxh6) 17... Nxd3 18. Nf4 Nf5?? { (0.42 → 7.95) Blunder. Nxf4 was best. } (18... Nxf4 19. exf4) 19. Nxe6?? { (7.95 → -0.84) Blunder. Nxf5 was best. } (19. Nxf5 exf5 20. Nxd3 a5 21. Rf3 axb4 22. cxb4 Rfe8 23. Nc5 Ra7 24. Rxf5 Rxe3 25. Re5 Rxe5) 19... Nxe3?? { (-0.84 → 6.40) Blunder. Nxd6 was best. } (19... Nxd6) 20. Nxf8?? { (6.40 → 0.70) Blunder. Rxf8+ was best. } (20. Rxf8+) 20... Nxf1 21. Nxh7?! { (0.38 → -0.14) Inaccuracy. Ne6 was best. } (21. Ne6 Ne3) 21... Nxh2? { (-0.14 → 0.89) Mistake. Ne3 was best. } (21... Ne3) 22. Nf6+?! { (0.89 → 0.16) Inaccuracy. Ng5 was best. } (22. Ng5 Ng4) 22... Kh8?? { (0.16 → Mate in 1) Checkmate is now unavoidable. gxf6 was best. } (22... gxf6 23. Kxh2) 23. Nxd5?? { (Mate in 1 → 2.29) Lost forced checkmate sequence. Nf7# was best. } (23. Nf7#) 23... Nf3+? { (2.29 → 3.72) Mistake. cxd5 was best. } (23... cxd5 24. Kxh2) 24. gxf3 Rg8?? { (3.73 → 8.90) Blunder. cxd5 was best. } (24... cxd5 25. a4) 25. Nxb5?! { (8.90 → 5.21) Inaccuracy. Ne7 was best. } (25. Ne7 Ra8 26. Kg2 g6 27. Nxg6+ Kg7 28. Ne5 Nxe5 29. dxe5 a5 30. Kf2 axb4 31. Rg1+ Kf8) 25... Nxb4?! { (5.21 → 8.97) Inaccuracy. axb5 was best. } (25... axb5) 26. Nbc7?? { (8.97 → 2.15) Blunder. axb4 was best. } (26. axb4) 26... Nxd5 27. Nxd5? { (2.40 → 1.06) Mistake. Kf2 was best. } (27. Kf2 Rc8 28. Nxa6 Nxc3 29. a4 Kg8 30. Nc5 Rd8 31. a5 Nb5 32. Nb3 Nc7 33. Ke3 Nd5+) 27... cxd5 28. c4?! { (1.35 → 0.34) Inaccuracy. Kf2 was best. } (28. Kf2) 28... a5?? { (0.34 → 5.27) Blunder. dxc4 was best. } (28... dxc4 29. Kf2 Rc8 30. Ke3 Kg8 31. Kd2 Rf8 32. Rf1 g5 33. Kc3 g4 34. Kxc4 gxf3 35. Kd3) 29. cxd5? { (5.27 → 2.95) Mistake. c5 was best. } (29. c5 Rb8 30. Kf2 Kg8 31. Kg3 Kf7 32. Re1 a4 33. Kf4 Rb7 34. Rg1 Kf6 35. Rg5 Rb3) 29... Rd8 30. Rd1 Rxd5 31. a4 Rxd4?? { (2.28 → 56.62) Blunder. Kg8 was best. } (31... Kg8 32. Kf2) 32. Rxd4 g5 33. Rd5 g4 34. Rxa5 gxf3?! { (72.11 → Mate in 7) Checkmate is now unavoidable. Kg7 was best. } (34... Kg7 35. fxg4 Kf6 36. Rb5 Ke7 37. a5 Kd6 38. a6 Kc6 39. a7 Kxb5 40. a8=Q Kc5 41. g5) 35. Kf2 Kh7 36. Kxf3 Kh6 37. Rb5 Kg6 38. a5 Kf7 39. a6 Ke7 40. a7 Kd7 41. a8=Q Kc7 42. Qa5+ Kc6 43. Rb1 Kd6 44. Rh1 Ke6 45. Rh5 Kf6 46. Qa6+ { Black resigns. } 1-0