Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/VbaQbKkF"]
[Date "2026.04.15"]
[White "Alexander9"]
[Black "SaViNa"]
[Result "1-0"]
[UTCDate "2026.04.15"]
[UTCTime "20:32:55"]
[WhiteElo "990"]
[BlackElo "1259"]
[WhiteRatingDiff "+27"]
[BlackRatingDiff "-19"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C46"]
[Opening "Four Knights Game: Italian Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 { C46 Four Knights Game: Italian Variation } Bb4?! { (0.05 → 0.64) Inaccuracy. Nxe4 was best. } (4... Nxe4 5. Nxe4) 5. a3?! { (0.64 → -0.28) Inaccuracy. Nd5 was best. } (5. Nd5 Nxe4 6. O-O Nf6 7. Nxb4 Nxb4 8. Nxe5 O-O 9. d3 d6 10. Bd2 Nbd5 11. Nf3 Re8) 5... Bxc3 6. bxc3 d6?! { (-0.54 → 0.00) Inaccuracy. Nxe4 was best. } (6... Nxe4 7. Bd5) 7. Rb1?? { (0.00 → -1.58) Blunder. d3 was best. } (7. d3 Be6 8. Bxe6 fxe6 9. O-O b6 10. a4 O-O 11. Qe2 h6 12. d4 a5 13. dxe5 Nxe5) 7... Bg4? { (-1.58 → -0.22) Mistake. Nxe4 was best. } (7... Nxe4 8. O-O O-O 9. Ba2 Nf6 10. Re1 h6 11. d4 Re8 12. h3 e4 13. Nd2 d5 14. f3) 8. h3 Bxf3? { (-0.22 → 1.09) Mistake. Bh5 was best. } (8... Bh5) 9. gxf3?? { (1.09 → -0.79) Blunder. Qxf3 was best. } (9. Qxf3 Na5) 9... O-O 10. Rg1 d5 11. f4?? { (-0.91 → -8.30) Blunder. Ba2 was best. } (11. Ba2 Qd6 12. d3 Ne7 13. c4 d4 14. Rxb7 Ng6 15. f4 exf4 16. Kf1 Rab8 17. Rxa7) 11... dxc4 12. Qf3 exf4 13. Qg2 Ne5?? { (-10.15 → Mate in 1) Checkmate is now unavoidable. g6 was best. } (13... g6) 14. Qxg7# { White wins by checkmate. } 1-0