Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/zZ3kqftC"]
[Date "2025.08.31"]
[White "Gideon"]
[Black "Dom"]
[Result "0-1"]
[UTCDate "2025.08.31"]
[UTCTime "17:02:50"]
[WhiteElo "1344"]
[BlackElo "1500"]
[WhiteRatingDiff "-7"]
[BlackRatingDiff "+8"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C45"]
[Opening "Scotch Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 { C45 Scotch Game } Nxd4?! { (0.09 → 0.99) Inaccuracy. Nf6 was best. } (4... Nf6) 5. Qxd4 d6?! { (0.81 → 1.44) Inaccuracy. Qf6 was best. } (5... Qf6 6. Qe3 Bb4+ 7. c3 Ba5 8. Qg3 d6 9. Bd3 Ne7 10. Bg5 Qg6 11. Nd2 Bb6 12. a4) 6. Bc4 Qf6 7. Qxf6? { (1.28 → 0.09) Mistake. Qd3 was best. } (7. Qd3 Qg6) 7... Nxf6 8. O-O Be6 9. Bb3?? { (-0.24 → -2.48) Blunder. Bxe6 was best. } (9. Bxe6 fxe6 10. Nc3 Be7 11. f3 Rg8 12. Nb5 Kd7 13. Rd1 a6 14. Nd4 g5 15. e5 dxe5) 9... g6?? { (-2.48 → -0.19) Blunder. Nxe4 was best. } (9... Nxe4) 10. Re1 Bg7 11. Bf4?? { (-0.05 → -2.92) Blunder. Bxe6 was best. } (11. Bxe6 fxe6 12. e5 dxe5 13. Rxe5 O-O-O 14. Re1 a5 15. Nd2 Rhe8 16. Kf1 a4 17. Rb1 Rd7) 11... Nd7?? { (-2.92 → -0.52) Blunder. Nxe4 was best. } (11... Nxe4 12. c3 Nc5 13. Bc2 a5 14. Be3 b6 15. Nd2 a4 16. Nf3 O-O 17. Nd4 Bd7 18. b4) 12. Ba4?? { (-0.52 → -7.38) Blunder. Nc3 was best. } (12. Nc3 a5 13. Bd5 Bxc3 14. bxc3 Bxd5 15. exd5+ Kd8 16. Rab1 b6 17. c4 Re8 18. Rxe8+ Kxe8) 12... c6?? { (-7.38 → -0.34) Blunder. Bxb2 was best. } (12... Bxb2 13. Nd2 Bxa1 14. Rxa1 f6 15. Be3 a6 16. Rb1 O-O-O 17. Bxd7+ Rxd7 18. Rxb7 Kxb7 19. a3) 13. Rd1?? { (-0.34 → -6.76) Blunder. c3 was best. } (13. c3 Ne5) 13... Be5?? { (-6.76 → -0.18) Blunder. Bxb2 was best. } (13... Bxb2 14. Nd2 Bxa1 15. Rxa1 O-O-O 16. Bxc6 bxc6 17. Be3 Kc7 18. Bd4 Rhe8 19. a4 Ra8 20. a5) 14. Bxe5 dxe5 15. Nc3 O-O 16. Bb3 Rad8? { (-0.19 → 0.94) Mistake. Nc5 was best. } (16... Nc5) 17. Bxe6 fxe6 18. a4?! { (1.33 → 0.80) Inaccuracy. f3 was best. } (18. f3 Kf7 19. b3 Ke7 20. Na4 g5 21. Rd3 Nf6 22. Nc5 g4 23. Nxb7 Rxd3 24. cxd3 gxf3) 18... a6? { (0.80 → 2.02) Mistake. Kf7 was best. } (18... Kf7 19. f3) 19. Ra3?? { (2.02 → 0.08) Blunder. a5 was best. } (19. a5 Kf7 20. Na4 c5 21. b3 Ke7 22. f3 g5 23. Rd2 Nb8 24. Rad1 Rxd2 25. Rxd2 Nd7) 19... Nc5?! { (0.08 → 0.74) Inaccuracy. Nc5 was best. } (19... Nc5 20. f3) 20. Rxd8? { (0.74 → -0.35) Mistake. f3 was best. } (20. f3 Rd4 21. a5 Kf7 22. Kf1 g5 23. Ke1 Kf6 24. Ne2 Rxd1+ 25. Kxd1 g4 26. b4) 20... Rxd8 21. b4 Nxe4 22. b5?? { (-0.73 → -7.84) Blunder. Kf1 was best. } (22. Kf1 Nf6 23. Ke2 Kf7 24. b5 Rd4 25. bxc6 bxc6 26. Rb3 Ke7 27. Rb6 Rc4 28. Kd2 Nd5) 22... axb5 23. axb5 Nxc3 24. Rxc3? { (-8.07 → Mate in 1) Checkmate is now unavoidable. h4 was best. } (24. h4 Nxb5) 24... Rd1# { Black wins by checkmate. } 0-1