Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/XrZmeUZN"]
[Date "2026.07.29"]
[White "PJ"]
[Black "Ioana"]
[Result "1-0"]
[UTCDate "2026.07.29"]
[UTCTime "20:39:45"]
[WhiteElo "1919"]
[BlackElo "818"]
[WhiteRatingDiff "+0"]
[BlackRatingDiff "+0"]
[WhiteTitle "GM🐶"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C40"]
[Opening "King's Pawn Game: Busch-Gass Gambit"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Bc5? { (0.50 → 1.86) Mistake. Nc6 was best. } { C40 King's Pawn Game: Busch-Gass Gambit } (2... Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4) 3. c3?! { (1.86 → 0.90) Inaccuracy. Nxe5 was best. } (3. Nxe5 Nc6) 3... Nf6 4. d4 O-O?? { (0.69 → 6.46) Blunder. exd4 was best. } (4... exd4) 5. dxc5 d6 6. Ng5?! { (7.68 → 4.86) Inaccuracy. Bg5 was best. } (6. Bg5 Nbd7 7. cxd6 cxd6 8. Qxd6 h6 9. Bxf6 Nxf6 10. Qxd8 Rxd8 11. Nfd2 a5 12. Bb5 a4) 6... dxc5?! { (4.86 → 7.51) Inaccuracy. h6 was best. } (6... h6 7. Nf3) 7. Qf3?! { (7.51 → 4.93) Inaccuracy. Qxd8 was best. } (7. Qxd8) 7... Be6?! { (4.93 → 8.64) Inaccuracy. h6 was best. } (7... h6 8. Nh3) 8. Bc4?? { (8.64 → -2.89) Blunder. Nxe6 was best. } (8. Nxe6 fxe6) 8... Bxc4 9. Qh3?? { (-3.05 → -6.65) Blunder. Be3 was best. } (9. Be3 b6) 9... c6?? { (-6.65 → -2.55) Blunder. h6 was best. } (9... h6) 10. f4?? { (-2.55 → -5.38) Blunder. Na3 was best. } (10. Na3 Bd3 11. f4 Qd7 12. fxe5 Qxh3 13. Nxh3 Ng4 14. Bf4 c4 15. O-O-O b5 16. e6 fxe6) 10... exf4 11. e5?! { (-5.40 → -8.18) Inaccuracy. Bxf4 was best. } (11. Bxf4 h6) 11... Nfd7?? { (-8.18 → Mate in 1) Checkmate is now unavoidable. Re8 was best. } (11... Re8 12. Bxf4) 12. Qxh7# { White wins by checkmate. } 1-0