Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/a3u7Typt"]
[Date "2026.10.02"]
[White "Eli4"]
[Black "Eitan1"]
[Result "0-1"]
[UTCDate "2026.10.02"]
[UTCTime "23:31:00"]
[WhiteElo "714"]
[BlackElo "1200"]
[WhiteRatingDiff "-1"]
[BlackRatingDiff "+1"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D00"]
[Opening "Queen's Pawn Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. e3 { D00 Queen's Pawn Game } Nc6 3. Nc3?! { (0.58 → 0.06) Inaccuracy. Nf3 was best. } (3. Nf3 Bf5) 3... Nf6 4. Nf3 Be6?! { (0.00 → 0.62) Inaccuracy. Bg4 was best. } (4... Bg4 5. Be2 e6 6. h3 Bf5 7. Nh4 Be4 8. O-O Be7 9. Nf3 Bf5 10. Nh4) 5. Be2 g6 6. Bd2?! { (0.71 → 0.05) Inaccuracy. b3 was best. } (6. b3 Bg7) 6... Ng4?? { (0.05 → 2.43) Blunder. Bg7 was best. } (6... Bg7 7. h3 O-O 8. Bd3 Re8 9. O-O Bc8 10. Ne5 Nxe5 11. dxe5 Ne4 12. f4) 7. O-O? { (2.43 → 0.85) Mistake. Ng5 was best. } (7. Ng5 Nf6) 7... Qd6? { (0.85 → 2.51) Mistake. Nf6 was best. } (7... Nf6 8. Na4 Ne4 9. b4 a6 10. Nc5 Nxc5 11. bxc5 Bg7 12. h4 b6 13. cxb6) 8. Ng5?? { (2.51 → Mate in 1) Checkmate is now unavoidable. Nb5 was best. } (8. Nb5 Qd8) 8... Qxh2# { Black wins by checkmate. } 0-1