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Puzzles (3 cohencoins award for each match):

Puzzle w39EE: 1076

GM🌋 Sawyer (1732?) +7
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/zdCRbSu9"] [Date "2026.04.21"] [White "Sawyer"] [Black "Blaze"] [Result "1-0"] [UTCDate "2026.04.21"] [UTCTime "14:18:05"] [WhiteElo "1732"] [BlackElo "1028"] [WhiteRatingDiff "+7"] [BlackRatingDiff "-2"] [WhiteTitle "GM🌋"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "King's Pawn Game: Nimzowitsch Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 Nc6 2. d4 { B00 King's Pawn Game: Nimzowitsch Defense } Nf6? { (0.75 → 1.85) Mistake. d5 was best. } (2... d5 3. e5) 3. Nc3?! { (1.85 → 1.02) Inaccuracy. d5 was best. } (3. d5 Ne5) 3... e6 4. Bc4? { (0.98 → -0.38) Mistake. d5 was best. } (4. d5 Ne5) 4... d6?! { (-0.38 → 0.48) Inaccuracy. d5 was best. } (4... d5 5. exd5) 5. Qf3?? { (0.48 → -1.94) Blunder. Nf3 was best. } (5. Nf3 d5) 5... Be7?? { (-1.94 → 0.47) Blunder. Nxd4 was best. } (5... Nxd4 6. Qd1) 6. Nge2 Bd7 7. Nf4?? { (0.73 → -3.05) Blunder. a3 was best. } (7. a3 O-O) 7... Nxd4 8. Qd3 Nc6 9. Be3?! { (-2.52 → -3.30) Inaccuracy. Qg3 was best. } (9. Qg3 O-O 10. a3 a6 11. O-O b5 12. Bd3 Ne5 13. Be2 c5 14. Nd3 Nc6 15. e5 dxe5) 9... Ng4 10. f3? { (-3.87 → -7.23) Mistake. Qe2 was best. } (10. Qe2 Nxe3) 10... Nf6?? { (-7.23 → -1.42) Blunder. Nce5 was best. } (10... Nce5 11. fxg4 Nxd3+ 12. Bxd3 O-O 13. a4 c6 14. Nh3 Qa5 15. O-O e5 16. Nf2 d5 17. exd5) 11. O-O-O?! { (-1.42 → -2.09) Inaccuracy. Qd2 was best. } (11. Qd2 a6 12. Be2 b5 13. g4 b4 14. Nd1 e5 15. Nd3 Be6 16. Nxb4 Nxb4 17. Qxb4 d5) 11... b6? { (-2.09 → -0.54) Mistake. a6 was best. } (11... a6 12. Qd2 b5 13. Be2 b4 14. Na4 e5 15. Nd5 Nxd5 16. exd5 Nd4 17. Bxd4 exd4 18. Qxb4) 12. Rhe1? { (-0.54 → -1.97) Mistake. g4 was best. } (12. g4 Ne5) 12... O-O 13. g4 g6? { (-1.62 → -0.32) Mistake. Rb8 was best. } (13... Rb8 14. g5 Ne8 15. h4 Ne5 16. Qf1 Nxc4 17. Qxc4 b5 18. Qd3 b4 19. Nce2 c5 20. Rg1) 14. g5 Nh5?? { (-0.24 → 1.99) Blunder. Ne5 was best. } (14... Ne5) 15. Nxh5 gxh5?! { (2.12 → 3.20) Inaccuracy. Ne5 was best. } (15... Ne5 16. Qf1) 16. Rg1? { (3.20 → 1.37) Mistake. f4 was best. } (16. f4) 16... f6?? { (1.37 → 10.17) Blunder. Ne5 was best. } (16... Ne5) 17. gxf6+ Kf7 18. fxe7 Kxe7 19. Bg5+ Rf6 20. Bxf6+ Kxf6 21. f4 Kf7 22. f5 Qh4 23. fxe6+ Bxe6?! { (31.29 → Mate in 8) Checkmate is now unavoidable. Ke7 was best. } (23... Ke7 24. Qf1) 24. Rgf1+?! { (Mate in 8 → 11.59) Lost forced checkmate sequence. Bxe6+ was best. } (24. Bxe6+ Ke7 25. Nd5+ Kxe6 26. Nxc7+ Kd7 27. Qxd6+ Kc8 28. Qxc6 Qf4+ 29. Kb1 Qc1+ 30. Kxc1 Kb8) 24... Ke7 25. Bxe6 Kxe6 26. Qd5+ Kd7 27. Rf7+ Kc8?! { (14.69 → Mate in 4) Checkmate is now unavoidable. Qe7 was best. } (27... Qe7 28. Rxe7+ Nxe7 29. Qxa8 Nc6 30. e5 Nxe5 31. Nd5 a6 32. Qb7 Ng4 33. Qxc7+ Ke6 34. Nxb6) 28. Qxc6 Qxh2 29. Qxc7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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