Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/rwfHdjYh"]
[Date "2026.07.31"]
[White "Eli4"]
[Black "Abigail1"]
[Result "0-1"]
[UTCDate "2026.07.31"]
[UTCTime "23:15:26"]
[WhiteElo "758"]
[BlackElo "1017"]
[WhiteRatingDiff "-4"]
[BlackRatingDiff "+4"]
[BlackTitle "IM🪰"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A40"]
[Opening "Horwitz Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 e6 { A40 Horwitz Defense } 2. e3 c5 3. Nc3?! { (0.47 → -0.25) Inaccuracy. d5 was best. } (3. d5) 3... cxd4?! { (-0.25 → 0.38) Inaccuracy. d5 was best. } (3... d5 4. dxc5 Nf6 5. Nf3 Nc6 6. Bd3 e5 7. Bb5 Bg4 8. h3 Bxf3 9. Bxc6+ bxc6 10. Qxf3) 4. exd4 e5?? { (0.40 → 3.50) Blunder. d5 was best. } (4... d5 5. Nf3 Nc6 6. Bf4 a6 7. Bd3 Nf6 8. O-O Nh5 9. Bd2 Nb4 10. Be2 Nc6 11. Re1) 5. dxe5 Bc5?! { (3.75 → 5.48) Inaccuracy. Bb4 was best. } (5... Bb4 6. Qg4 Bxc3+ 7. bxc3 Ne7 8. Qxg7 Rg8 9. Qxh7 Nbc6 10. Nf3 d5 11. Bd3 Qc7 12. O-O) 6. e6?? { (5.48 → 1.69) Blunder. Ne4 was best. } (6. Ne4 Nc6) 6... Qf6? { (1.69 → 3.54) Mistake. dxe6 was best. } (6... dxe6 7. Qxd8+ Kxd8 8. Ne4 Bb4+ 9. c3 Be7 10. Bf4 Nc6 11. Nf3 Bd7 12. O-O-O Nf6 13. Bd3) 7. exd7+? { (3.54 → 2.12) Mistake. exf7+ was best. } (7. exf7+ Qxf7) 7... Bxd7 8. Nd5?? { (2.20 → Mate in 1) Checkmate is now unavoidable. Nf3 was best. } (8. Nf3) 8... Qxf2# { Black wins by checkmate. } 0-1