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Puzzles (3 cohencoins award for each match):

Puzzle hbbSJ: 999999999

NM🐟 Luz (1440) +11
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/AshrPmef"] [Date "2026.03.23"] [White "Caroline1"] [Black "Luz"] [Result "0-1"] [UTCDate "2026.03.23"] [UTCTime "15:22:05"] [WhiteElo "1243"] [BlackElo "1440"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+11"] [WhiteTitle "IM"] [BlackTitle "NM🐟"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C50"] [Opening "Four Knights Game: Italian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 { C50 Four Knights Game: Italian Variation } 5. O-O O-O 6. d3 d6 7. Be3?! { (0.20 → -0.31) Inaccuracy. Na4 was best. } (7. Na4 Bb6 8. c3 h6 9. h3 Bd7 10. Nxb6 axb6 11. Bb3 Ne7 12. Re1 Re8 13. Bc2 c5) 7... Bxe3 8. fxe3 Bg4 9. Qe2 Qd7 10. h3 Bh5?! { (0.33 → 1.02) Inaccuracy. Be6 was best. } (10... Be6 11. Bb3) 11. g4 Bg6 12. Nh4 h5?? { (1.47 → 8.70) Blunder. Ne7 was best. } (12... Ne7 13. Qg2) 13. Nxg6 Rfe8 14. Nh4 Re7 15. gxh5 Qxh3 16. Qf2 Ng4 17. Qe1?? { (5.92 → Mate in 1) Checkmate is now unavoidable. Qg2 was best. } (17. Qg2 Qxh4 18. Rf3 Na5 19. Rh3 Qg5 20. Nd5 Kf8 21. Rg3 Nxc4 22. Rxg4 Qxe3+ 23. Kh1 c6) 17... Qh2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting