Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/WVTCS85U"]
[Date "2026.10.16"]
[White "ChessMasterPlayer"]
[Black "Jenna"]
[Result "1-0"]
[UTCDate "2026.10.16"]
[UTCTime "23:50:11"]
[WhiteElo "1492"]
[BlackElo "1541"]
[WhiteRatingDiff "+10"]
[BlackRatingDiff "-10"]
[WhiteTitle "NM"]
[BlackTitle "NM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D02"]
[Opening "Queen's Pawn Game: Chigorin Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. Nf3 Nc6 { D02 Queen's Pawn Game: Chigorin Variation } 3. Bf4 Nf6 4. e3 a6 5. Bd3 Bg4 6. Nc3?! { (0.73 → 0.00) Inaccuracy. c3 was best. } (6. c3) 6... e6 7. O-O Bd6 8. Bxd6 Qxd6 9. h3 Bh5 10. Qe1?? { (-0.07 → -1.66) Blunder. Be2 was best. } (10. Be2 O-O 11. Rc1 Rfd8 12. Nd2 Bg6 13. Na4 b6 14. c3 e5 15. Re1 Qe7 16. b4) 10... Bxf3 11. gxf3 O-O-O 12. f4 h6 13. Qe2 g5 14. fxg5?? { (-2.24 → -5.75) Blunder. Qf3 was best. } (14. Qf3 Rdg8 15. Kh1 g4 16. hxg4 Nxg4 17. Rg1 h5 18. Rg3 Nb4 19. Rh3 c5 20. dxc5 Qxc5) 14... hxg5 15. Qf3 g4?! { (-6.28 → -4.74) Inaccuracy. Qe7 was best. } (15... Qe7 16. Kg2 g4 17. hxg4 Rdg8 18. Nxd5 Nxd5 19. Rh1 Rh4 20. Rxh4 Qxh4 21. Be2 f5 22. Rh1) 16. Qxf6 gxh3?? { (-4.03 → 1.50) Blunder. Rxh3 was best. } (16... Rxh3) 17. Qxf7?? { (1.50 → -7.18) Blunder. Kh1 was best. } (17. Kh1 h2 18. Ne2 Rdg8 19. Ng3 Qf8 20. Qf3 Ne7 21. c4 dxc4 22. Bxc4 Qg7 23. d5 Rh4) 17... Rhg8+?? { (-7.18 → 2.09) Blunder. Rdf8 was best. } (17... Rdf8) 18. Bg6?? { (2.09 → -4.86) Blunder. Kh1 was best. } (18. Kh1 Rdf8) 18... Ne7 19. Kh1 Rxg6?? { (-4.61 → -1.24) Blunder. Rdf8 was best. } (19... Rdf8 20. Qh7) 20. f4?? { (-1.24 → -5.64) Blunder. Rg1 was best. } (20. Rg1 Rh6) 20... Rdg8?? { (-5.64 → -2.08) Blunder. Rg2 was best. } (20... Rg2 21. Rf3) 21. f5?? { (-2.08 → Mate in 6) Checkmate is now unavoidable. Rg1 was best. } (21. Rg1) 21... Nxf5? { (Mate in 6 → -7.92) Lost forced checkmate sequence. Qg3 was best. } (21... Qg3 22. Qe8+ Rxe8 23. Rg1 Qf3+ 24. Kh2 Rg2+ 25. Kh1 Rxc2+ 26. Rg2 Qxg2#) 22. Rg1? { (-7.92 → Mate in 7) Checkmate is now unavoidable. Ne2 was best. } (22. Ne2 Rg2) 22... Rxg1+ 23. Rxg1 Rxg1+?! { (Mate in 12 → -10.46) Lost forced checkmate sequence. Ng3+ was best. } (23... Ng3+ 24. Rxg3 Qxg3 25. Qf1 h2 26. Ne2 Qg4 27. c3 Qe4+ 28. Kxh2 Qh4+ 29. Qh3 Qf2+ 30. Kh1) 24. Kxg1 Qg3+ 25. Kf1 Nxe3+?! { (-10.75 → -5.41) Inaccuracy. Qg2+ was best. } (25... Qg2+ 26. Ke1) 26. Ke2 h2 27. Qe8# { White wins by checkmate. } 1-0