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Puzzles (3 cohencoins award for each match):

Puzzle J7bPb: 576

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Qhbdqgmy"] [Date "2025.10.28"] [White "Rhys1"] [Black "Edward3"] [Result "0-1"] [UTCDate "2025.10.28"] [UTCTime "14:03:20"] [WhiteElo "1421"] [BlackElo "1318"] [WhiteRatingDiff "-19"] [BlackRatingDiff "+13"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B10"] [Opening "Caro-Kann Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c6 { B10 Caro-Kann Defense } 2. Nf3 d5 3. exd5 cxd5 4. Nc3 Nf6 5. d4 Nc6 6. Bf4 Bf5?! { (-0.30 → 0.30) Inaccuracy. Bg4 was best. } (6... Bg4 7. Be2) 7. Bb5 Bg4 8. Bxc6+ bxc6 9. O-O Bxf3 10. Qxf3 e6 11. Bg5 Be7 12. Bxf6?! { (0.06 → -0.95) Inaccuracy. Na4 was best. } (12. Na4) 12... Bxf6 13. Rfe1?? { (-0.89 → -3.63) Blunder. Rad1 was best. } (13. Rad1 Qa5) 13... Bxd4 14. Rad1 c5?? { (-3.69 → 0.05) Blunder. Qf6 was best. } (14... Qf6 15. Na4 Qxf3 16. gxf3 Bf6 17. c4 O-O 18. b3 Rfd8 19. Nc5 Kf8 20. Kf1 Be7 21. Nd3) 15. Nb5?! { (0.05 → -0.84) Inaccuracy. Nxd5 was best. } (15. Nxd5 O-O 16. Nf4 Qc7 17. c3 Be5 18. g3 Bxf4 19. Qxf4 Qxf4 20. gxf4 Rfb8 21. Rd2 Rd8) 15... Bxb2?? { (-0.84 → 5.90) Blunder. O-O was best. } (15... O-O 16. Nxd4) 16. Qg3?? { (5.90 → -5.21) Blunder. Rxd5 was best. } (16. Rxd5 O-O 17. Rxd8 Raxd8 18. Rb1 Rb8 19. Rxb2 a6 20. a4 Rfd8 21. Rb1 e5 22. c4 g6) 16... O-O 17. Re3 f6?? { (-6.86 → -1.24) Blunder. Qa5 was best. } (17... Qa5 18. Nd6) 18. Nc7 Be5 19. Rxe5 fxe5? { (-1.25 → 0.00) Mistake. Qxc7 was best. } (19... Qxc7 20. Rxe6 Qxg3 21. hxg3 d4 22. c3 dxc3 23. Rc1 Rac8 24. Rxc3 Rc7 25. Kf1 Rb8 26. Rb3) 20. Qxe5?? { (0.00 → -4.48) Blunder. Nxe6 was best. } (20. Nxe6 Qd7 21. Nxf8 Rxf8 22. Qxe5 Re8 23. Qc3 Qd6 24. g3 h6 25. Qb3 Re5 26. c3 Qe6) 20... Rc8 21. Nxe6? { (-3.62 → -7.15) Mistake. Qxe6+ was best. } (21. Qxe6+) 21... Qf6 22. Qxf6 Rxf6 23. Re1 Re8 24. Kf1 Rexe6 25. Rxe6 Rxe6 26. c3 d4 27. cxd4 cxd4 28. f4 d3 29. f5 Rf6 30. Ke1 Rxf5 31. Kd2 Rf2+ 32. Kxd3 Rxg2 33. a4 Rxh2 34. Kc3 Rh3+ 35. Kb4 g5 36. a5 g4 37. Kb5 g3 38. Ka6 g2 39. Kxa7 Ra3 40. Kb7 Rxa5 41. Kb6 Rh5 42. Kc6 g1=Q 43. Kd6 Qg6+ 44. Ke7 Qg7+ 45. Ke6 Qe5+ 46. Kd7 Qd5+ 47. Kc7 Re5 48. Kb8 Qf7 49. Ka8 Re8# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting