Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/Z6DN3kZB"]
[Date "2025.08.22"]
[White "Ayaan"]
[Black "Walker"]
[Result "0-1"]
[UTCDate "2025.08.22"]
[UTCTime "23:26:18"]
[WhiteElo "1518"]
[BlackElo "1468"]
[WhiteRatingDiff "-61"]
[BlackRatingDiff "+6"]
[BlackTitle "⚡"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C21"]
[Opening "Center Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. d4?! { (0.60 → -0.29) Inaccuracy. Nf3 was best. } (2. Nf3 Nc6 3. Bb5 Nge7 4. O-O Ng6 5. d4 exd4 6. Nxd4 Bc5 7. Nf5 O-O 8. Nc3 a6) 2... exd4 3. Qxd4 { C21 Center Game } Nf6 4. Nc3 c5?? { (-0.10 → 1.64) Blunder. Nc6 was best. } (4... Nc6 5. Qc4 Bb4 6. Bd2 d6 7. O-O-O O-O 8. f3 Re8 9. a3 Bc5 10. Na4 Bd4 11. Ne2) 5. Qd1 Nc6 6. Nf3 d6 7. Bd3 Bg4 8. O-O Bxf3?! { (1.06 → 1.76) Inaccuracy. Be7 was best. } (8... Be7 9. h3) 9. Qxf3 Nd4?! { (1.55 → 2.56) Inaccuracy. Be7 was best. } (9... Be7 10. Bg5) 10. Be3?? { (2.56 → -7.30) Blunder. Qg3 was best. } (10. Qg3 Be7 11. Nd5 O-O 12. c3 Ne6 13. Qh3 g6 14. Nxf6+ Bxf6 15. f4 Re8 16. f5 Nf8) 10... Nxf3+ 11. gxf3 Qb6 12. Nb5 a6 13. Bg5 axb5 14. Bxb5+ Qxb5 15. Bxf6 gxf6 16. Rfd1?! { (-15.16 → Mate in 5) Checkmate is now unavoidable. Rae1 was best. } (16. Rae1 Qxb2) 16... O-O-O?! { (Mate in 5 → -14.54) Lost forced checkmate sequence. Qe2 was best. } (16... Qe2 17. Kh1 Rg8 18. Rd3 Qxf2 19. Rd2 Qxf3+ 20. Rg2 Qxg2#) 17. Rac1?! { (-14.54 → Mate in 5) Checkmate is now unavoidable. Rd3 was best. } (17. Rd3 Qxb2) 17... Qxb2?! { (Mate in 5 → -16.15) Lost forced checkmate sequence. Qe2 was best. } (17... Qe2 18. Rd3 Rg8+ 19. Kh1 Qxf2 20. Rd2 Qxf3+ 21. Rg2 Qxg2#) 18. Rb1 Qxc2 19. Rdc1?! { (-20.84 → Mate in 4) Checkmate is now unavoidable. Kh1 was best. } (19. Kh1 Qe2 20. Rg1 Qxf3+ 21. Rg2 Rg8 22. Rg1 Qxe4 23. h3 d5 24. Kh2 Bd6+ 25. Rg3 h5) 19... Qxa2?! { (Mate in 4 → -16.14) Lost forced checkmate sequence. Rg8+ was best. } (19... Rg8+ 20. Kh1 Qxf2 21. Rc2 Qxf3+ 22. Rg2 Qxg2#) 20. Ra1?! { (-16.14 → Mate in 7) Checkmate is now unavoidable. Kf1 was best. } (20. Kf1 Qa6+) 20... Rg8+?! { (Mate in 7 → -19.73) Lost forced checkmate sequence. Qe2 was best. } (20... Qe2 21. Rc3 Rg8+ 22. Kh1 Qxf2 23. Rxc5+ dxc5 24. Ra8+ Kc7 25. Rc8+ Rxc8 26. h3 Rg1#) 21. Kf1 Qb2 22. Ra8+?! { (-17.34 → Mate in 7) Checkmate is now unavoidable. Re1 was best. } (22. Re1 Qb5+) 22... Kc7 23. Rc8+ Rxc8 24. Re1 Bh6 { White resigns. } 0-1