Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/bGO8FvAd"]
[Date "2026.05.18"]
[White "KiRiLL"]
[Black "Hunter2"]
[Result "1-0"]
[UTCDate "2026.05.18"]
[UTCTime "15:27:33"]
[WhiteElo "1238"]
[BlackElo "1500"]
[WhiteRatingDiff "+8"]
[BlackRatingDiff "-521"]
[WhiteTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C41"]
[Opening "Philidor Defense: Exchange Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 d6 2. d4 e5 3. Nf3 exd4 4. Nxd4 { C41 Philidor Defense: Exchange Variation } Be7 5. Nc3 Nc6 6. Nxc6 bxc6 7. Bd3 Bf6?! { (0.67 → 1.27) Inaccuracy. Nf6 was best. } (7... Nf6 8. h3 Rb8 9. O-O O-O 10. b3 d5 11. Qf3 Re8 12. exd5 cxd5 13. Bb2 d4 14. Ne4) 8. Bd2?! { (1.27 → 0.49) Inaccuracy. O-O was best. } (8. O-O Ne7 9. Qe1 O-O 10. f4 Ng6 11. Be3 Qe7 12. e5 dxe5 13. f5 Nf4 14. Ne4 Qd8) 8... Bxc3?? { (0.49 → 2.37) Blunder. Bd4 was best. } (8... Bd4 9. h3 Ne7 10. O-O O-O 11. Kh2 Rb8 12. Rb1 d5 13. f4 Re8 14. Be1 dxe4) 9. Bxc3 Nf6 10. O-O O-O 11. Qd2 Ng4?! { (2.26 → 2.98) Inaccuracy. Nd7 was best. } (11... Nd7 12. Rfe1) 12. f3?! { (2.98 → 2.30) Inaccuracy. f4 was best. } (12. f4 Qh4) 12... Ne5 13. Rad1? { (2.45 → 1.24) Mistake. Be2 was best. } (13. Be2 Re8) 13... Nxd3 14. Qxd3 Rb8?! { (1.33 → 2.35) Inaccuracy. Be6 was best. } (14... Be6 15. Rde1) 15. Qd4 Be6?? { (2.30 → Mate in 1) Checkmate is now unavoidable. f6 was best. } (15... f6) 16. Qxg7# { White wins by checkmate. } 1-0