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Puzzles (3 cohencoins award for each match):

Puzzle TF3LI: 999999999

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/JFkTi8SU"] [Date "2026.05.18"] [White "Sadie"] [Black "Amali"] [Result "1-0"] [UTCDate "2026.05.18"] [UTCTime "23:46:37"] [WhiteElo "1315"] [BlackElo "1018"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-8"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C42"] [Opening "Russian Game: Three Knights Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nf6 3. Nc3?! { (0.75 → 0.07) Inaccuracy. Nxe5 was best. } { C42 Russian Game: Three Knights Game } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4 Nf6 9. Nc3 O-O) 3... d5?! { (0.07 → 1.00) Inaccuracy. Nc6 was best. } (3... Nc6 4. Bb5 Bd6 5. O-O O-O 6. d3 Nd4 7. Ba4 Nxf3+ 8. Qxf3 c6 9. Bb3 a5 10. Kh1) 4. exd5 c6? { (0.91 → 2.24) Mistake. Bd6 was best. } (4... Bd6 5. Bb5+) 5. dxc6?! { (2.24 → 1.14) Inaccuracy. Nxe5 was best. } (5. Nxe5 Bd6 6. d4 Nxd5 7. Bd3 O-O 8. O-O Nxc3 9. bxc3 Nd7 10. f4 Qc7 11. Nc4 Nf6) 5... bxc6?? { (1.14 → 3.39) Blunder. Nxc6 was best. } (5... Nxc6 6. Bb5) 6. Nxe5 Bd6 7. Nxc6?? { (3.72 → -4.59) Blunder. d4 was best. } (7. d4 O-O 8. Be2 Re8 9. Bf4 Qc7 10. O-O Nbd7 11. Nxd7 Bxd7 12. Bxd6 Qxd6 13. Qd2 Rad8) 7... Nxc6 8. Bb5 a6?? { (-4.77 → 5.38) Blunder. Bb7 was best. } (8... Bb7) 9. Bxc6+ Kf8 10. Bxa8 Be6 11. Be4 Nxe4 12. Nxe4 Bb8 13. O-O f5 14. Nc5 Qh4 15. Nxe6+ Ke7 16. Nxg7?? { (14.31 → Mate in 1) Checkmate is now unavoidable. g3 was best. } (16. g3 Qg4 17. Qxg4 fxg4 18. Re1 Kf7 19. Kg2 a5 20. d4 h6 21. Nc5 Ba7 22. h3 Bxc5) 16... Qf6?? { (Mate in 1 → 15.15) Lost forced checkmate sequence. Qxh2# was best. } (16... Qxh2#) 17. Nh5 Qe5 18. d3?? { (17.37 → Mate in 1) Checkmate is now unavoidable. Re1 was best. } (18. Re1) 18... h6?? { (Mate in 1 → 17.59) Lost forced checkmate sequence. Qxh2# was best. } (18... Qxh2#) 19. Bf4 Qxf4 20. Nxf4 Bxf4 21. g3 Bb8 22. Re1+ Kf8?! { (17.85 → Mate in 7) Checkmate is now unavoidable. Kd7 was best. } (22... Kd7 23. Qf3) 23. Qe2 h5 24. Qe8+ Kg7 25. Qe7+ Kh6 26. Re6# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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