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Puzzles (3 cohencoins award for each match):

Puzzle 0exa1: 907

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/yIZDenlq"] [Date "2026.04.19"] [White "Ellie2"] [Black "Grayson"] [Result "1-0"] [UTCDate "2026.04.19"] [UTCTime "17:15:03"] [WhiteElo "1536"] [BlackElo "1228"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-3"] [WhiteTitle "🪐"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B20"] [Opening "Sicilian Defense: Staunton-Cochrane Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. c4 { B20 Sicilian Defense: Staunton-Cochrane Variation } g6?! { (0.14 → 0.73) Inaccuracy. Nc6 was best. } (2... Nc6 3. Ne2 e5 4. d3 g6 5. Nbc3 Bg7 6. g3 Rb8 7. Bg2 Nge7 8. a3 a6 9. O-O) 3. d3?! { (0.73 → -0.25) Inaccuracy. Nf3 was best. } (3. Nf3) 3... Bg7 4. g3 Nc6 5. a3 e6 6. Be3?? { (-0.03 → -1.77) Blunder. Bg2 was best. } (6. Bg2 Nge7 7. Nc3 d5 8. cxd5 exd5 9. exd5 Nd4 10. Nge2 Bg4 11. h3 Bf3 12. Bxf3 Nxf3+) 6... Nge7? { (-1.77 → -0.20) Mistake. Bxb2 was best. } (6... Bxb2 7. Ra2 Bg7 8. Bg2 Nge7 9. Ne2 O-O 10. Nbc3 Nd4 11. h4 d6 12. Rd2 Rb8 13. h5) 7. Bxc5 O-O?! { (-0.59 → 0.38) Inaccuracy. d6 was best. } (7... d6 8. Be3 Bxb2 9. Ra2 Bg7 10. Nf3 d5 11. Qc1 O-O 12. Bg2 b6 13. O-O d4 14. Bd2) 8. f4?? { (0.38 → -1.36) Blunder. Bd6 was best. } (8. Bd6 Bxb2) 8... Bxb2?! { (-1.36 → -0.60) Inaccuracy. d6 was best. } (8... d6 9. Bf2) 9. Ra2 Bg7 10. Bg2?? { (-0.88 → -8.67) Blunder. Bd6 was best. } (10. Bd6 b5 11. c5 Na5 12. Bg2 Ba6 13. e5 Rc8 14. Nf3 Nb7 15. Bxe7 Qxe7 16. d4 Nxc5) 10... b6?? { (-8.67 → 0.23) Blunder. Qa5+ was best. } (10... Qa5+ 11. Bb4) 11. Bxe7?? { (0.23 → -1.64) Blunder. Bd6 was best. } (11. Bd6 Ba6 12. Ne2 b5 13. c5 Na5 14. h4 Nb7 15. h5 Nxd6 16. cxd6 Qa5+ 17. Nd2 Nc6) 11... Qxe7 12. Ne2 Bb7 13. d4? { (-1.90 → -3.84) Mistake. Nd2 was best. } (13. Nd2 a6) 13... Na5 14. Qc2?! { (-3.16 → -4.78) Inaccuracy. Nd2 was best. } (14. Nd2 f5) 14... Nc6? { (-4.78 → -2.75) Mistake. Rac8 was best. } (14... Rac8) 15. d5?! { (-2.75 → -3.80) Inaccuracy. e5 was best. } (15. e5 d6 16. O-O dxe5 17. dxe5 Rfd8 18. Nd2 Na5 19. Bxb7 Qxb7 20. Qe4 Qd7 21. Kg2 Rac8) 15... exd5?! { (-3.80 → -2.58) Inaccuracy. Na5 was best. } (15... Na5 16. Nd2) 16. cxd5 Na5 17. Nd2?! { (-1.83 → -2.88) Inaccuracy. Qd3 was best. } (17. Qd3 Rac8 18. Nd2 Qc5 19. h4 b5 20. Bf3 d6 21. h5 Qb6 22. h6 Bh8 23. Kf1 Nc4) 17... Rac8?! { (-2.88 → -1.80) Inaccuracy. Ba6 was best. } (17... Ba6 18. Qd1 Rac8 19. O-O Nc4 20. Nxc4 Qc5+ 21. Kh1 Bxc4 22. Rd2 Qxa3 23. Rf3 Qb4 24. Nd4) 18. Qd3 Qb4?? { (-1.67 → 15.24) Blunder. Qc5 was best. } (18... Qc5 19. h4) 19. axb4 { Black resigns. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting