Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/Ulj1Tc9k"]
[Date "2026.08.03"]
[White "Ezra1"]
[Black "Muriel"]
[Result "0-1"]
[UTCDate "2026.08.03"]
[UTCTime "23:19:25"]
[WhiteElo "1389"]
[BlackElo "981"]
[WhiteRatingDiff "-8"]
[BlackRatingDiff "+471"]
[WhiteTitle "😼"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C25"]
[Opening "Vienna Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nc3 { C25 Vienna Game } Bb4 3. Bc4 Qh4?? { (0.27 → 5.12) Blunder. Nf6 was best. } (3... Nf6 4. a3 Ba5 5. Nf3 d6 6. d3 c6 7. Ba2 h6 8. O-O Bb6 9. h3 O-O 10. d4) 4. Nf3 Qh5 5. d3?? { (5.21 → 0.63) Blunder. g4 was best. } (5. g4 Qxg4) 5... c6?? { (0.63 → 6.55) Blunder. Nf6 was best. } (5... Nf6 6. h3 d6 7. Ke2 h6 8. g4 Qg6 9. Nh4 Qh7 10. Nd5 Nxd5 11. Bxd5 g6 12. f4) 6. a3?? { (6.55 → 1.07) Blunder. g4 was best. } (6. g4) 6... Ba5?? { (1.07 → 6.55) Blunder. Bxc3+ was best. } (6... Bxc3+ 7. bxc3 Nf6 8. O-O d5 9. exd5 cxd5 10. Bb5+ Nc6 11. Nxe5 Qxe5 12. Re1 Ne4 13. dxe4) 7. b4?? { (6.55 → 1.61) Blunder. g4 was best. } (7. g4) 7... Bb6?? { (1.61 → 5.61) Blunder. Bc7 was best. } (7... Bc7) 8. O-O?? { (5.61 → 1.49) Blunder. g4 was best. } (8. g4) 8... Nf6?! { (1.49 → 2.26) Inaccuracy. d6 was best. } (8... d6 9. h3 Nf6 10. a4 a6 11. Ne2 Bxh3 12. Ng3 Qg6 13. d4 Be6 14. Nh4 Qg4 15. Nhf5) 9. Bg5 O-O 10. Bxf6 gxf6 11. h3?? { (1.83 → 0.02) Blunder. Ne2 was best. } (11. Ne2 Qh6) 11... d5 12. exd5 cxd5?? { (0.17 → 2.59) Blunder. Kh8 was best. } (12... Kh8) 13. Nxd5 Bxh3?? { (2.32 → 14.52) Blunder. Kh8 was best. } (13... Kh8 14. Nh2 Qg5 15. Nxb6 axb6 16. f4 exf4 17. Qf3 b5 18. Bb3 Nc6 19. Qxf4 Qxf4 20. Rxf4) 14. gxh3 Qxh3 15. Nxf6+?? { (7.05 → 1.53) Blunder. Nh2 was best. } (15. Nh2 Kh8 16. Qf3 Rg8+ 17. Kh1 Qxf3+ 18. Nxf3 Rg6 19. Rg1 Rh6+ 20. Kg2 Nc6 21. Kf1 Rh3) 15... Kh8 16. Nh2 Rg8+?? { (1.67 → 8.11) Blunder. Nd7 was best. } (16... Nd7 17. Qf3) 17. Kh1?? { (8.11 → Mate in 1) Checkmate is now unavoidable. Nxg8 was best. } (17. Nxg8 Kxg8 18. Kh1 Kh8 19. Rg1 Nc6 20. Rg3 Qf5 21. Bd5 Bxf2 22. Rf3 Qd7 23. c4 Bd4) 17... Qg2# { Black wins by checkmate. } 0-1