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Puzzles (3 cohencoins award for each match):

Puzzle Ll0yF: 999999999

GM🌋 Sawyer (1648?) +24
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/lkYANTdw"] [Date "2026.04.21"] [White "Sawyer"] [Black "Caroline1"] [Result "1-0"] [UTCDate "2026.04.21"] [UTCTime "14:35:59"] [WhiteElo "1648"] [BlackElo "1294"] [WhiteRatingDiff "+24"] [BlackRatingDiff "-2"] [WhiteTitle "GM🌋"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B22"] [Opening "Sicilian Defense: Alapin Variation, Barmen Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. c3 d5 3. exd5 Qxd5 { B22 Sicilian Defense: Alapin Variation, Barmen Defense } 4. c4?? { (0.47 → -1.17) Blunder. Nf3 was best. } (4. Nf3 Nf6 5. d4 e6 6. Na3 Qd8 7. Be2 cxd4 8. Nxd4 e5 9. Ndc2 Qxd1+ 10. Bxd1 Nc6) 4... Qd8 5. Nc3 Nf6 6. b3?! { (-0.58 → -1.54) Inaccuracy. d3 was best. } (6. d3 Nc6 7. Be2 e5 8. Nf3 Be7 9. O-O O-O 10. Re1 h6 11. Bf1 Bd6 12. Nd2 Be6) 6... Nc6 7. Ba3 e5 8. Bb2 Bf5 9. Nb5? { (-1.69 → -3.16) Mistake. d3 was best. } (9. d3 Qe7 10. Be2 O-O-O 11. Nf3 g5 12. O-O h5 13. Nxg5 Bh6 14. h4 Rhg8 15. Qd2 e4) 9... Bd6?! { (-3.16 → -2.04) Inaccuracy. Be7 was best. } (9... Be7 10. d3) 10. Nxd6+? { (-2.04 → -3.63) Mistake. Nf3 was best. } (10. Nf3) 10... Qxd6 11. Nf3 e4 12. Ng5?! { (-4.11 → -5.31) Inaccuracy. Nh4 was best. } (12. Nh4 Bd7) 12... O-O 13. g4?! { (-5.46 → -8.71) Inaccuracy. Be2 was best. } (13. Be2) 13... Bxg4 14. Nxe4 Qf4 15. Nxf6+ gxf6 16. Be2 Bxe2?? { (-7.60 → -3.30) Blunder. Rae8 was best. } (16... Rae8 17. Rg1) 17. Qxe2?? { (-3.30 → -7.62) Blunder. Rg1+ was best. } (17. Rg1+ Kh8 18. Kxe2 Rg8 19. Kf1 Rxg1+ 20. Kxg1 Rg8+ 21. Kh1 Nd4 22. Bxd4 Qxd4 23. Rc1 Qxf2) 17... Rfe8 18. Rg1+ Kf8 19. Qxe8+ Rxe8+ 20. Kd1 Qf3+ 21. Kc1 Qxf2 22. Rg4? { (-8.78 → Mate in 3) Checkmate is now unavoidable. Rd1 was best. } (22. Rd1) 22... f5?! { (Mate in 3 → -11.08) Lost forced checkmate sequence. Qe1+ was best. } (22... Qe1+ 23. Kc2 Nb4+ 24. Kc3 Re3#) 23. Rg5?! { (-11.08 → Mate in 3) Checkmate is now unavoidable. Bg7+ was best. } (23. Bg7+ Ke7) 23... Rd8?! { (Mate in 3 → -11.54) Lost forced checkmate sequence. Qe1+ was best. } (23... Qe1+ 24. Kc2 Nb4+ 25. Kc3 Re3#) 24. Bc3 Ne7 25. Rh5 Qf1+ 26. Kc2 Qf3 27. Rxh7 Kg8?? { (-7.17 → Mate in 1) Checkmate is now unavoidable. Qe4+ was best. } (27... Qe4+ 28. Kb2 Ng6 29. Rg1 Rd3 30. Rxg6 fxg6 31. h4 Rxc3 32. dxc3 Kg8 33. Rd7 Qe2+ 34. Ka3) 28. Rh8# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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