Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/swei6mfm"]
[Date "2026.03.13"]
[White "Mark2"]
[Black "Eli4"]
[Result "1-0"]
[UTCDate "2026.03.13"]
[UTCTime "23:50:17"]
[WhiteElo "1199"]
[BlackElo "750"]
[WhiteRatingDiff "+1"]
[BlackRatingDiff "-2"]
[WhiteTitle "࿄"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C46"]
[Opening "Four Knights Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 { C46 Four Knights Game } 4. g3 d6?! { (-0.12 → 0.63) Inaccuracy. Bc5 was best. } (4... Bc5 5. Bg2 d6 6. d3 a5 7. O-O a4 8. Nd5 Nxd5 9. exd5 Nd4 10. Nxd4 Bxd4 11. c3) 5. Bg2 Be6 6. O-O Be7 7. Nb5?? { (0.52 → -1.98) Blunder. d4 was best. } (7. d4 Bg4) 7... Qd7?? { (-1.98 → -0.12) Blunder. Bc4 was best. } (7... Bc4 8. Nc3) 8. Ng5?? { (-0.12 → -2.81) Blunder. d3 was best. } (8. d3 a6) 8... O-O?? { (-2.81 → 0.85) Blunder. Bc4 was best. } (8... Bc4 9. Nc3 Bxf1 10. Bxf1 d5 11. Bh3 Qd8 12. Nxd5 Nxd5 13. exd5 Qxd5 14. d3 O-O 15. Bg2) 9. Nxe6 Qxe6?? { (0.65 → 6.99) Blunder. fxe6 was best. } (9... fxe6) 10. Nxc7 Nd7 11. Nxe6 fxe6 12. Qg4 Nd4 13. c3 Nf3+ 14. Bxf3 d5 15. d3 Nc5 16. Bh6 Nxd3?! { (14.13 → Mate in 1) Checkmate is now unavoidable. Bf6 was best. } (16... Bf6 17. exd5) 17. Qxg7# { White wins by checkmate. } 1-0