Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/gAOueMJy"]
[Date "2025.10.12"]
[White "Edward3"]
[Black "Jihoon"]
[Result "0-1"]
[UTCDate "2025.10.12"]
[UTCTime "17:04:45"]
[WhiteElo "1356"]
[BlackElo "1065"]
[WhiteRatingDiff "-21"]
[BlackRatingDiff "+32"]
[WhiteTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C57"]
[Opening "Italian Game: Two Knights Defense, Knight Attack"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 { C57 Italian Game: Two Knights Defense, Knight Attack } Bb4?? { (0.29 → 6.78) Blunder. d5 was best. } (4... d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 9. h4 Nf4 10. Bf1 h6 11. Ne4) 5. Nxf7 Qe7 6. Nxh8 d6 7. O-O Bg4 8. f3 Bh5 9. g4 O-O-O 10. gxh5 Nxh5 11. f4 Nxf4 12. d3?? { (8.67 → Mate in 4) Checkmate is now unavoidable. Nf7 was best. } (12. Nf7 Bc5+) 12... Qg5+ 13. Kh1 Qg2# { Black wins by checkmate. } 0-1