Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/qtJP8IjA"]
[Date "2026.02.07"]
[White "Islomjon"]
[Black "Mark2"]
[Result "1-0"]
[UTCDate "2026.02.07"]
[UTCTime "00:44:40"]
[WhiteElo "1343"]
[BlackElo "1164"]
[WhiteRatingDiff "+7"]
[BlackRatingDiff "-9"]
[WhiteTitle "GM"]
[BlackTitle "࿄"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C40"]
[Opening "Elephant Gambit"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 d5?! { (0.41 → 1.29) Inaccuracy. Nc6 was best. } { C40 Elephant Gambit } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Ba4 Be7 7. Nxe5 Nxe5 8. Rxe5 O-O 9. Bb3) 3. exd5 Qxd5 4. Nc3 Qc5 5. Bb5+ c6 6. Be2 e4?? { (0.89 → 3.94) Blunder. Nf6 was best. } (6... Nf6 7. d4) 7. Nxe4 Qa5? { (3.76 → 6.20) Mistake. Qe7 was best. } (7... Qe7 8. Ng3) 8. O-O Be6 9. d4 c5?! { (6.00 → 9.06) Inaccuracy. Nf6 was best. } (9... Nf6 10. Neg5) 10. dxc5 Bxc5 11. Nxc5 Qxc5 12. Bg5?! { (6.94 → 4.39) Inaccuracy. Nd4 was best. } (12. Nd4 Nf6) 12... h6?? { (4.39 → Mate in 1) Checkmate is now unavoidable. Nc6 was best. } (12... Nc6 13. Be3) 13. Qd8# { White wins by checkmate. } 1-0