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Puzzles (3 cohencoins award for each match):

Puzzle rizBK: 484

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Ou95BCd5"] [Date "2025.08.15"] [White "Christian1"] [Black "Kristofer"] [Result "0-1"] [UTCDate "2025.08.15"] [UTCTime "20:03:40"] [WhiteElo "1575"] [BlackElo "1659"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+9"] [WhiteTitle "NM🐍"] [BlackTitle "GM😈"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B08"] [Opening "Pirc Defense: Classical Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 { B08 Pirc Defense: Classical Variation } Bg4? { (0.74 → 1.90) Mistake. Bg7 was best. } (4... Bg7 5. Be3) 5. h3 Bxf3 6. Qxf3 Bg7?? { (1.92 → 4.69) Blunder. c6 was best. } (6... c6 7. Bf4) 7. Bf4?? { (4.69 → 1.62) Blunder. e5 was best. } (7. e5 dxe5 8. dxe5 Nfd7 9. Qxb7 Nb6 10. Be3 N8d7 11. f4 Rb8 12. Qxa7 c6 13. O-O-O O-O) 7... Nbd7 8. Bb5? { (1.86 → 0.51) Mistake. O-O-O was best. } (8. O-O-O O-O) 8... c6 9. Bc4 b5 10. Bb3 O-O 11. a3 Rc8 12. Ba2?! { (0.23 → -0.55) Inaccuracy. Rd1 was best. } (12. Rd1 Nh5) 12... e5 13. dxe5 dxe5?! { (-0.17 → 0.77) Inaccuracy. Nxe5 was best. } (13... Nxe5 14. Qe3) 14. Bg5 Qc7?! { (0.39 → 1.26) Inaccuracy. Qe7 was best. } (14... Qe7) 15. O-O-O?! { (1.26 → 0.47) Inaccuracy. O-O was best. } (15. O-O) 15... Rcd8?? { (0.47 → 2.50) Blunder. a5 was best. } (15... a5 16. Rd3 h6 17. Be3 b4 18. Na4 c5 19. Bc4 Qc6 20. b3 bxa3 21. Rhd1 Nb6 22. Nxb6) 16. Bxf6?? { (2.50 → -0.44) Blunder. h4 was best. } (16. h4) 16... Nxf6 17. Rxd8 Rxd8 18. Rd1 a5 19. Rxd8+ Qxd8 20. g4 Qe7?! { (-0.99 → -0.28) Inaccuracy. b4 was best. } (20... b4 21. Na4) 21. g5?! { (-0.28 → -0.87) Inaccuracy. a4 was best. } (21. a4 b4) 21... Nh5 22. Qg4 b4?! { (-1.12 → -0.40) Inaccuracy. h6 was best. } (22... h6) 23. axb4 axb4 24. Na4? { (-0.46 → -1.52) Mistake. Nd1 was best. } (24. Nd1 Bf8 25. Ne3 Nf4 26. h4 Kg7 27. Bb3 Qd8 28. Ng2 Nxg2 29. Qxg2 Bc5 30. Qf3 f6) 24... Qa7 25. b3?? { (-1.97 → -7.76) Blunder. Kb1 was best. } (25. Kb1 Bf8) 25... Qxf2 26. Nb6 Qxb6 27. Qc8+ Bf8 28. Qg4 Qa5 29. Kb2 Qa3+ 30. Kb1 Qa6 31. Qh4?! { (-10.85 → Mate in 8) Checkmate is now unavoidable. Qd1 was best. } { White offers draw } (31. Qd1) 31... Qf1+ 32. Kb2 Qf4?! { (Mate in 7 → -10.85) Lost forced checkmate sequence. Bc5 was best. } (32... Bc5 33. Qg3 Bd4+ 34. c3 bxc3+ 35. Qxc3 Qe2+ 36. Ka3 Bxc3 37. b4 Qb2+ 38. Ka4 Qxb4#) 33. Qxf4 exf4 34. Kc1 Bc5 35. Kd1 f3 36. Ke1 f2+ 37. Kf1 Ng3+ 38. Kg2 f1=Q+ 39. Kxg3 Bd6+ { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting