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Puzzles (3 cohencoins award for each match):

Puzzle 5rl9J: 298

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/PJ9vNwSJ"] [Date "2026.02.13"] [White "Bohdan"] [Black "Kristofer"] [Result "0-1"] [UTCDate "2026.02.13"] [UTCTime "21:13:08"] [WhiteElo "1553"] [BlackElo "1690"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+6"] [WhiteTitle "🐍"] [BlackTitle "GM😈"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B50"] [Opening "Sicilian Defense: Modern Variations"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 d6 { B50 Sicilian Defense: Modern Variations } 3. Nc3 Bg4 4. Bc4 Nf6?! { (0.41 → 1.24) Inaccuracy. Bxf3 was best. } (4... Bxf3 5. Qxf3 e6 6. Bb5+ Nd7 7. b3 Be7 8. Bb2 Bf6 9. Qg3 a6 10. Bxd7+ Qxd7 11. Nd1) 5. h3? { (1.24 → 0.17) Mistake. e5 was best. } (5. e5 d5 6. Bb3 c4 7. Ba4+ Nfd7 8. Nxd5 Qa5 9. Ne3 Qxa4 10. Nxg4 e6 11. Qe2 Nc6) 5... Bxf3 6. Qxf3 a6?? { (0.31 → 3.04) Blunder. Nc6 was best. } (6... Nc6 7. Bb5) 7. d3?? { (3.04 → 0.34) Blunder. e5 was best. } (7. e5 dxe5 8. Qxb7 Nbd7 9. Bxa6 e6 10. Bb5 Be7 11. a4 O-O 12. O-O Nb6 13. Qf3 Ne8) 7... Nc6 8. Bg5 g6? { (-0.11 → 1.16) Mistake. e6 was best. } (8... e6 9. Ne2 Be7 10. Bb3 Rc8 11. c3 h6 12. Bh4 O-O 13. Qe3 d5 14. Bxf6 Bxf6 15. Qxc5) 9. Bxf6 exf6 10. e5?? { (0.95 → -1.13) Blunder. Nd5 was best. } (10. Nd5 Bg7 11. c3 b5 12. Bb3 Rb8 13. O-O O-O 14. a3 Re8 15. Qg3 Qd7 16. Rae1 Ne7) 10... Bg7?? { (-1.13 → 0.64) Blunder. dxe5 was best. } (10... dxe5 11. g4 Bg7 12. O-O-O Rc8 13. Ne2 b5 14. Bd5 Nd4 15. Nxd4 cxd4 16. Kb1 O-O 17. h4) 11. Nd5?? { (0.64 → -1.40) Blunder. exf6 was best. } (11. exf6 Qxf6 12. Qxf6 Bxf6 13. Nd5 Bd8 14. c3 b5 15. Bb3 Rb8 16. O-O-O Kd7 17. Rhe1 h5) 11... f5 12. Nf6+? { (-1.46 → -2.79) Mistake. exd6 was best. } (12. exd6 O-O 13. O-O Qxd6 14. c3 b5 15. Bb3 Rad8 16. Rad1 Na5 17. Rfe1 Rd7 18. Nf4 Nxb3) 12... Bxf6?! { (-2.79 → -1.64) Inaccuracy. Kf8 was best. } (12... Kf8 13. Nd5 b5 14. Bb3 Nd4 15. Qd1 dxe5 16. c3 Nxb3 17. Qxb3 Qd6 18. O-O Rd8 19. c4) 13. Qd5?? { (-1.64 → -9.76) Blunder. exf6 was best. } (13. exf6 Qxf6) 13... Nxe5 14. O-O O-O 15. d4 Nxc4 16. Qxc4 Bxd4 17. Qd3 Re8 18. c3 Bg7 19. Rad1 Bf8 20. Qg3 Re6 21. h4 h5 22. Rd5 Kh7 23. Rdd1 Qf6 24. Qg5 Qxg5 25. hxg5 Rae8 26. f3 Re5 27. g4 Rd8 28. gxh5 gxh5 29. Kg2 Kg6 30. f4 Re2+ 31. Kf3 Rde8 32. Rxd6+ Bxd6 33. Rd1?! { (-64.84 → Mate in 1) Checkmate is now unavoidable. Rf2 was best. } (33. Rf2 Rxf2+ 34. Kxf2 Bxf4 35. Kf3 Kxg5 36. c4 Re3+ 37. Kf2 Kg4 38. b4 cxb4 39. a3 bxa3) 33... R8e3# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting