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Puzzles (3 cohencoins award for each match):

Puzzle wSzl0: 577

Puzzle hdwo2: 999999999

GM Diego (1347?) +5
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/55sVEiIh"] [Date "2025.10.12"] [White "Diego"] [Black "Nikolai"] [Result "1-0"] [UTCDate "2025.10.12"] [UTCTime "17:14:00"] [WhiteElo "1347"] [BlackElo "942"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-3"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Mieses-Kotroc Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. Nc3 Qd8 4. Nf3 Nf6 5. d4 c6 6. Be3?! { (1.32 → 0.59) Inaccuracy. Bc4 was best. } (6. Bc4 e6 7. O-O Be7 8. Qe2 Nbd7 9. Re1 O-O 10. Bf4 Re8 11. a3 Nd5 12. Bd2 Nxc3) 6... e6?! { (0.59 → 1.12) Inaccuracy. Bf5 was best. } (6... Bf5 7. Nh4 Bg4 8. Qd2 e6 9. h3 Bh5 10. g4 Bg6 11. O-O-O Nd5 12. Nxg6 hxg6 13. a3) 7. Bd3 Bd7?! { (1.08 → 2.05) Inaccuracy. Nbd7 was best. } (7... Nbd7 8. Qe2 Qc7 9. O-O a6 10. Bg5 Be7 11. Rad1 b5 12. Ne4 Bb7 13. Nxf6+ Nxf6 14. Bh4) 8. O-O Be7 9. Ne5 O-O 10. Nxd7? { (1.74 → 0.39) Mistake. Qf3 was best. } (10. Qf3 Nd5) 10... Nbxd7 11. Ne4 Nxe4 12. Bxe4 h6 13. Qg4?? { (0.57 → -6.30) Blunder. c3 was best. } (13. c3 Nf6 14. Bc2 Qc7 15. Qe2 Nd5 16. Qd3 Nf6 17. Rad1 Rfd8 18. g3 Qb6 19. a4 c5) 13... f5 14. Bxf5 exf5 15. Qg6 Nf6 16. Bxh6 Nh7?? { (-5.66 → Mate in 1) Checkmate is now unavoidable. Rf7 was best. } (16... Rf7 17. Rad1) 17. Qxg7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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