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Puzzles (3 cohencoins award for each match):

Puzzle CIRZc: 802

GM🐇 EMmI (1576) +3
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/a4VG1YYn"] [Date "2025.06.17"] [White "EMmI"] [Black "Aaron8"] [Result "1-0"] [UTCDate "2025.06.17"] [UTCTime "14:04:08"] [WhiteElo "1576"] [BlackElo "1253"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-31"] [WhiteTitle "GM🐇"] [BlackTitle "IM"] [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... Bc5? { (0.07 → 1.40) Mistake. 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. Bc4? { (1.40 → -0.04) Mistake. Nxe5 was best. } (4. Nxe5 Bd4) 4... h5?? { (-0.04 → 4.76) Blunder. d6 was best. } (4... d6 5. d3 a5 6. a3 O-O 7. h3 c6 8. O-O a4 9. Ne2 Bb6 10. Ng3 Be6 11. Bxe6) 5. Nxe5 d6? { (4.82 → 9.53) Mistake. d5 was best. } (5... d5 6. Nxd5 Nc6 7. Nxc6 bxc6 8. Nxf6+ Qxf6 9. Qf3 Qe7 10. h3 g5 11. Qe2 f5 12. exf5) 6. Nxf7 Qd7 7. Nxh8 Nc6 8. Qxh5+?? { (9.67 → 0.86) Blunder. O-O was best. } (8. O-O Qg4) 8... Ke7?? { (0.86 → 12.04) Blunder. Nxh5 was best. } (8... Nxh5 9. Bf7+) 9. Qf7+ Kd8 10. Qf8+ Ne8 11. Nf7+ Qxf7 12. Qxf7 Nf6 13. d3 Nb4 14. Bb3 Nxc2+ 15. Bxc2 Bg4 16. Bg5 Kc8 17. Bxf6 a5?! { (23.74 → Mate in 1) Checkmate is now unavoidable. b5 was best. } (17... b5 18. Qe8+) 18. Nd5?! { (Mate in 1 → 26.67) Lost forced checkmate sequence. Qe8# was best. } (18. Qe8#) 18... c6?! { (26.67 → Mate in 1) Checkmate is now unavoidable. Kb8 was best. } (18... Kb8 19. Qxc7+) 19. Qc7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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