Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/XpOvOhpz"]
[Date "2026.08.26"]
[White "Maria"]
[Black "PJ"]
[Result "0-1"]
[UTCDate "2026.08.26"]
[UTCTime "20:16:10"]
[WhiteElo "1108"]
[BlackElo "1954"]
[WhiteRatingDiff "+0"]
[BlackRatingDiff "+0"]
[WhiteTitle "❦"]
[BlackTitle "GM🐶"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A00"]
[Opening "Van't Kruijs Opening"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e3 { A00 Van't Kruijs Opening } e5 2. Nc3 Nf6?! { (-0.34 → 0.18) Inaccuracy. d5 was best. } (2... d5 3. Qh5 Nc6 4. Bb5 Nf6 5. Qxe5+ Be7 6. Bxc6+ bxc6 7. Nge2 O-O 8. d3 c5 9. Qg3) 3. Bc4? { (0.18 → -0.86) Mistake. d4 was best. } (3. d4 exd4 4. exd4 d5 5. Nf3 Bd6 6. Bd3 O-O 7. O-O Bg4 8. h3 Bh5 9. Nb5 Re8) 3... d5 4. Bxd5?? { (-0.93 → -8.21) Blunder. Bb3 was best. } (4. Bb3 c6 5. d3 Bb4 6. Bd2 Nbd7 7. Nf3 a5 8. a3 Bd6 9. e4 Nc5 10. Ba2 dxe4) 4... Nxd5 5. Nxd5 Qxd5 6. Qe2 Nc6 7. e4 Qa5 8. b3 Nd4 9. Qc4 b5 10. Qd3 Ba6 11. Bb2 b4 12. Qg3 Qb5 13. Bxd4? { (-7.58 → Mate in 1) Checkmate is now unavoidable. O-O-O was best. } (13. O-O-O) 13... Qf1# { Black wins by checkmate. } 0-1