Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/J0wJ6sg7"]
[Date "2025.10.20"]
[White "ReId3"]
[Black "Edward3"]
[Result "1-0"]
[UTCDate "2025.10.20"]
[UTCTime "15:06:19"]
[WhiteElo "1122"]
[BlackElo "1322"]
[WhiteRatingDiff "+32"]
[BlackRatingDiff "-15"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "A40"]
[Opening "Queen's Pawn Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 { A40 Queen's Pawn Game } c6 2. e3 d5 3. Nf3 Qd7?! { (0.13 → 1.10) Inaccuracy. Bf5 was best. } (3... Bf5 4. c4 e6 5. Nc3 Nd7 6. Bd3 Bxd3 7. Qxd3 Ngf6 8. O-O Bb4 9. Bd2 Bxc3 10. Qxc3) 4. Bd3 Qd8 5. O-O Bg4 6. Re1 Nf6 7. Nc3 e6 8. b4?? { (0.68 → -1.79) Blunder. h3 was best. } (8. h3 Bh5 9. e4 Be7 10. e5 Nfd7 11. g4 Bg6 12. Bxg6 hxg6 13. Ne2 c5 14. Kg2 Nc6) 8... Bxb4 9. Rb1?? { (-1.79 → -7.73) Blunder. Bd2 was best. } (9. Bd2 Bxf3 10. gxf3 O-O 11. Rb1 a5 12. Ne2 Bxd2 13. Qxd2 b5 14. e4 dxe4 15. fxe4 Nbd7) 9... Bxc3 10. Rxb7 Bxe1 11. Qxe1 Bxf3 12. gxf3 O-O 13. f4 Re8 14. e4 dxe4 15. Bxe4 Nxe4 16. Qxe4 f5 17. Qg2 Qxd4 18. c3?! { (-6.14 → -10.62) Inaccuracy. Bb2 was best. } (18. Bb2 Qd1+) 18... Qxc3 19. Bd2 Qxd2?? { (-8.67 → Mate in 1) Checkmate is now unavoidable. Qa1+ was best. } (19... Qa1+ 20. Qf1) 20. Qxg7# { White wins by checkmate. } 1-0