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Puzzles (3 cohencoins award for each match):

Puzzle 2emAN: 1134

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/u9qhjAjs"] [Date "2026.01.19"] [White "KiRiLL"] [Black "Magnus"] [Result "1-0"] [UTCDate "2026.01.19"] [UTCTime "16:04:08"] [WhiteElo "1370"] [BlackElo "1835"] [WhiteRatingDiff "+14"] [BlackRatingDiff "-211"] [WhiteTitle "GM"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B56"] [Opening "Sicilian Defense: Classical Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 { B56 Sicilian Defense: Classical Variation } 6. Nxc6?! { (0.53 → -0.01) Inaccuracy. Bg5 was best. } (6. Bg5 e6) 6... bxc6 7. Be3 Bd7 8. Bd3 e5 9. O-O Be7 10. Qd2?! { (0.23 → -0.35) Inaccuracy. Bc4 was best. } (10. Bc4 O-O) 10... O-O 11. Rad1 Re8? { (-0.70 → 0.34) Mistake. Ng4 was best. } (11... Ng4) 12. f4?! { (0.34 → -0.21) Inaccuracy. Bc4 was best. } (12. Bc4) 12... exf4 13. Rxf4? { (-0.55 → -1.99) Mistake. Bxf4 was best. } (13. Bxf4 Qb6+) 13... Qc7?? { (-1.99 → -0.06) Blunder. Ng4 was best. } (13... Ng4 14. Rff1 Nxe3 15. Qxe3 Bf6 16. Qe1 Bg4 17. Rb1 Bh5 18. Kh1 Bg6 19. b4 Rc8 20. b5) 14. Bc4 Rad8 15. Rdf1 Nh5?? { (-0.10 → 8.62) Blunder. Be6 was best. } (15... Be6 16. Qd3) 16. Rxf7? { (8.62 → 4.44) Mistake. Bxf7+ was best. } (16. Bxf7+ Kh8 17. Bxh5 Rg8 18. R4f2 d5 19. exd5 Bd6 20. Ne4 Bxh2+ 21. Kh1 Bc8 22. d6 Bxd6) 16... Kh8?! { (4.44 → 7.57) Inaccuracy. d5 was best. } (16... d5 17. Bxd5 Kh8 18. Qf2 Qc8 19. Bb3 Be6 20. Bxe6 Qxe6 21. Qf5 Qxf5 22. R7xf5 Nf6 23. Bxa7) 17. Bg5 Bxg5 18. Qxg5 Re5? { (8.22 → Mate in 2) Checkmate is now unavoidable. d5 was best. } (18... d5 19. exd5) 19. Rf8+ Rxf8 20. Rxf8# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting