Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/AmIZ89H1"]
[Date "2025.11.22"]
[White "Sasha"]
[Black "James8"]
[Result "1-0"]
[UTCDate "2025.11.22"]
[UTCTime "18:10:09"]
[WhiteElo "1483"]
[BlackElo "811"]
[WhiteRatingDiff "+1"]
[BlackRatingDiff "-1"]
[WhiteTitle "IM🧁"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D02"]
[Opening "Queen's Pawn Game: Zukertort Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. Nf3 { D02 Queen's Pawn Game: Zukertort Variation } e5? { (0.37 → 1.72) Mistake. e6 was best. } (2... e6 3. c4) 3. Nxe5 c5? { (1.75 → 3.05) Mistake. Nf6 was best. } (3... Nf6 4. g3) 4. c3? { (3.05 → 1.40) Mistake. e4 was best. } (4. e4 Nf6 5. Bb5+ Nbd7 6. exd5 Be7 7. O-O O-O 8. Nxd7 Bxd7 9. Bxd7 Qxd7 10. c4 cxd4) 4... cxd4 5. cxd4 a5?! { (1.59 → 2.59) Inaccuracy. Nc6 was best. } (5... Nc6 6. Qa4 Qb6 7. e3 Bd6 8. f4 Ne7 9. Nc3 O-O 10. Be2 Bxe5 11. fxe5 f6 12. O-O) 6. Bf4 Ra6?! { (2.90 → 4.44) Inaccuracy. Bb4+ was best. } (6... Bb4+ 7. Nc3) 7. e3 Rd6?! { (4.66 → 5.97) Inaccuracy. Bb4+ was best. } (7... Bb4+ 8. Nc3 Rb6 9. Bd3 Bxc3+ 10. bxc3 Nd7 11. O-O Ne7 12. c4 Nxe5 13. Bxe5 dxc4 14. Bxc4) 8. Bd3 Na6 9. Nd2?! { (7.62 → 4.99) Inaccuracy. Bb5+ was best. } (9. Bb5+ Ke7 10. Nc3 Nc7 11. Ba4 Ne6 12. Bg3 h5 13. h4 g6 14. Qf3 Nf6 15. O-O Bg7) 9... Nb4?! { (4.99 → 6.78) Inaccuracy. Be7 was best. } (9... Be7) 10. Qh5?? { (6.78 → 2.54) Blunder. Bb5+ was best. } (10. Bb5+ Ke7) 10... Nxd3+ 11. Ke2?? { (2.67 → -7.84) Blunder. Nxd3 was best. } (11. Nxd3) 11... a4?? { (-7.84 → Mate in 1) Checkmate is now unavoidable. Nxf4+ was best. } (11... Nxf4+ 12. exf4) 12. Qxf7# { White wins by checkmate. } 1-0