Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/Th0HilI8"]
[Date "2025.06.18"]
[White "Mr_Dude"]
[Black "Junhee"]
[Result "1-0"]
[UTCDate "2025.06.18"]
[UTCTime "23:30:30"]
[WhiteElo "1786"]
[BlackElo "1736"]
[WhiteRatingDiff "+10"]
[BlackRatingDiff "-7"]
[WhiteTitle "GM♞"]
[BlackTitle "GM⏳"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D37"]
[Opening "Queen's Gambit Declined: Three Knights Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 { D37 Queen's Gambit Declined: Three Knights Variation } Nc6 5. Bg5 h6?! { (0.69 → 1.37) Inaccuracy. dxc4 was best. } (5... dxc4) 6. Bh4? { (1.37 → 0.27) Mistake. Bxf6 was best. } (6. Bxf6 gxf6 7. cxd5 exd5 8. e3 Be6 9. a3 Qd7 10. Nh4 O-O-O 11. Bb5 Bd6 12. b4 Kb8) 6... Bb4?! { (0.27 → 0.86) Inaccuracy. g5 was best. } (6... g5 7. Bg3) 7. Qb3? { (0.86 → -0.64) Mistake. e3 was best. } (7. e3 g5) 7... dxc4? { (-0.64 → 0.55) Mistake. g5 was best. } (7... g5 8. Bg3 g4 9. Ne5 Nxd4 10. Qa4+ Bd7 11. Nxd7 Qxd7 12. Qxd7+ Nxd7 13. O-O-O Bxc3 14. bxc3) 8. Qxc4 Bd7 9. a3 Bd6 10. e4 e5 11. dxe5?! { (0.83 → -0.01) Inaccuracy. d5 was best. } (11. d5) 11... Nxe5 12. Nxe5 Bxe5 13. g3?? { (0.14 → -3.65) Blunder. Be2 was best. } (13. Be2 c6 14. Qc5 Qe7 15. Qe3 Be6 16. Rd1 Qc7 17. Bg3 Bxg3 18. hxg3 Qb6 19. Qxb6 axb6) 13... Be6?? { (-3.65 → 5.14) Blunder. g5 was best. } (13... g5 14. O-O-O) 14. Qb5+ Bd7? { (4.56 → 9.68) Mistake. c6 was best. } (14... c6 15. Qxe5 g5 16. Rd1 Qe7 17. Bxg5 hxg5 18. Qxg5 Nd7 19. Qxe7+ Kxe7 20. h4 Rad8 21. f4) 15. Qxe5+ Be6 16. Rd1 Qe7 17. Qb5+ c6 18. Bxf6 gxf6 19. Qe2 Bb3 20. Rd2 a5 21. Nd1 b5 22. Bg2 b4 23. e5 fxe5 24. Bxc6+ Kf8 25. Bxa8 Kg7 26. Bg2 Qd7?! { (10.96 → Mate in 8) Checkmate is now unavoidable. bxa3 was best. } (26... bxa3 27. bxa3 Bxd1 28. Rxd1 Re8 29. Qg4+ Kf8 30. Qa4 e4 31. Rd5 e3 32. f3 e2 33. Qxa5) 27. Rxd7?! { (Mate in 8 → 19.93) Lost forced checkmate sequence. Qxe5+ was best. } { Black resigns. } (27. Qxe5+ f6 28. Rxd7+ Bf7 29. Qe6 Rf8 30. Be4 Kh8 31. Qf5 Bg6 32. Rh7+ Kxh7 33. Qxg6+ Kh8) 1-0