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Puzzles (3 cohencoins award for each match):

Puzzle Km0NH: 292

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/orStIrlb"] [Date "2026.01.02"] [White "Benton"] [Black "Trekker"] [Result "1-0"] [UTCDate "2026.01.02"] [UTCTime "21:04:13"] [WhiteElo "2010"] [BlackElo "1840"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-5"] [WhiteTitle "GM☾"] [BlackTitle "GM🎅"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B06"] [Opening "Modern Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 g6 2. d4 Bg7 { B06 Modern Defense } 3. Nf3 d6 4. Bc4 Bg4?? { (0.93 → 4.23) Blunder. Nf6 was best. } (4... Nf6 5. Nc3 Nxe4 6. Bxf7+ Kxf7 7. Nxe4 Rf8 8. O-O a5 9. a4 Kg8 10. h3 Nd7 11. Re1) 5. Be3?? { (4.23 → 0.83) Blunder. Bxf7+ was best. } (5. Bxf7+ Kxf7 6. Ng5+ Ke8 7. Qxg4 Bxd4 8. Qe6 Nf6 9. Qc4 Bb6 10. Qf7+ Kd7 11. Qe6+ Ke8) 5... c5?! { (0.83 → 1.36) Inaccuracy. e6 was best. } (5... e6 6. Nbd2 d5 7. Bb3 Nf6 8. h3 Bxf3 9. Qxf3 dxe4 10. Nxe4 Nxe4 11. Qxe4 c6 12. O-O-O) 6. c3 Qa5?? { (1.02 → 5.06) Blunder. cxd4 was best. } (6... cxd4 7. cxd4) 7. O-O? { (5.06 → 2.89) Mistake. Bxf7+ was best. } (7. Bxf7+ Kxf7) 7... Nf6? { (2.89 → 5.21) Mistake. cxd4 was best. } (7... cxd4 8. cxd4 Nh6 9. Nbd2 O-O 10. h3 Bc8 11. a4 Kh8 12. Re1 f5 13. b4 Qxb4 14. a5) 8. Bxf7+?? { (5.21 → 0.32) Blunder. e5 was best. } (8. e5 dxe5) 8... Kd7?? { (0.32 → 8.75) Blunder. Kxf7 was best. } (8... Kxf7) 9. dxc5 Rf8 10. Bb3 Nxe4 11. cxd6?? { (9.92 → 3.78) Blunder. Ne5+ was best. } (11. Ne5+ Kc7 12. Nxg4 h5 13. Bc2 Nxc5 14. b4 Qb6 15. Bxg6 Nbd7 16. bxc5 Nxc5 17. Bxh5) 11... Bxf3 12. gxf3 Ng5?? { (3.51 → 8.39) Blunder. Nxd6 was best. } (12... Nxd6 13. Nd2 Kc7 14. Ne4 Nxe4 15. fxe4 Nc6 16. Qe2 Rad8 17. f4 Bh6 18. Be6 Qh5 19. Qxh5) 13. dxe7+ Kxe7 14. Bd5 Nc6 15. Bxg5+ Bf6 16. Re1+ Kd7 17. Be6+ Kc7 18. Bf4+ Kb6 19. Qb3+ Ka6 20. Bc4+ b5 21. Re6 bxc4?! { (13.32 → Mate in 4) Checkmate is now unavoidable. Rac8 was best. } { Black resigns. } (21... Rac8 22. Bd5 Kb7 23. Na3 Bxc3 24. Nxb5 Qb4 25. Nd6+ Kb8 26. Nxc8+ Rxf4 27. bxc3 Qxb3 28. axb3) 1-0
Computer analysisMove timesCrosstableFEN & PGN
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