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Puzzles (3 cohencoins award for each match):

Puzzle ZcKR7: 761

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Upn39RGE"] [Date "2025.10.13"] [White "Holden2"] [Black "ChessMasterPlayer"] [Result "1-0"] [UTCDate "2025.10.13"] [UTCTime "23:34:43"] [WhiteElo "1543"] [BlackElo "1478"] [WhiteRatingDiff "+12"] [BlackRatingDiff "-7"] [WhiteTitle "IM"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B30"] [Opening "Sicilian Defense: Old Sicilian"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 Nc6 { B30 Sicilian Defense: Old Sicilian } 3. Bc4 f6?? { (-0.08 → 1.64) Blunder. e6 was best. } (3... e6 4. O-O d5 5. exd5 exd5 6. Re1+ Be6 7. d4 Nf6 8. Bf1 Bd6 9. dxc5 Bxc5 10. Be3) 4. e5?? { (1.64 → -1.35) Blunder. O-O was best. } (4. O-O) 4... Nxe5?? { (-1.35 → 0.89) Blunder. fxe5 was best. } (4... fxe5 5. d3) 5. Nxe5 fxe5 6. Qh5+ g6 7. Qxe5 Nf6 8. Qe2?? { (1.04 → -1.57) Blunder. Qxc5 was best. } (8. Qxc5 a6) 8... d6?? { (-1.57 → 0.51) Blunder. d5 was best. } (8... d5) 9. d3?! { (0.51 → -0.12) Inaccuracy. Bb3 was best. } (9. Bb3) 9... Bg7 10. Nc3 Bf5?? { (-0.62 → 1.18) Blunder. d5 was best. } (10... d5 11. Bb3) 11. Bg5 Qd7?? { (1.78 → 7.61) Blunder. h6 was best. } (11... h6 12. Bxf6 Bxf6 13. O-O Kf8 14. Rae1 Kg7 15. Be6 Bxe6 16. Qxe6 Qc8 17. Qb3 Qd7 18. Nd5) 12. Bxf6?? { (7.61 → 0.49) Blunder. Bb5 was best. } (12. Bb5 O-O 13. Bxd7 Bxd7 14. O-O Rae8 15. Qd2 Bc6 16. Rae1 e5 17. f3 d5 18. Ne2 e4) 12... Bxf6 13. d4?! { (0.70 → -0.23) Inaccuracy. O-O was best. } (13. O-O) 13... O-O-O 14. Bb5?! { (-0.25 → -0.76) Inaccuracy. dxc5 was best. } (14. dxc5 dxc5 15. Rd1 Bxc3+ 16. bxc3 Qxd1+ 17. Qxd1 Rxd1+ 18. Kxd1 Rd8+ 19. Kc1 Rd6 20. Re1 Kd8) 14... Qc7 15. Nd5 Qa5+ 16. c3 Bd7? { (-0.59 → 0.89) Mistake. a6 was best. } (16... a6 17. Bc4 cxd4 18. a4 d3 19. Qf3 d2+ 20. Kxd2 Rdf8 21. Qe3 Kb8 22. f3 Rc8 23. Bb3) 17. Bxd7+ Rxd7 18. Nxf6?! { (0.85 → 0.00) Inaccuracy. Qc4 was best. } (18. Qc4 Bg5) 18... exf6 19. Qg4?? { (0.13 → -4.47) Blunder. O-O was best. } (19. O-O cxd4) 19... f5?? { (-4.47 → -1.69) Blunder. Re8+ was best. } (19... Re8+) 20. Qh4?? { (-1.69 → -7.68) Blunder. Qe2 was best. } (20. Qe2 cxd4) 20... Qb5?? { (-7.68 → 0.05) Blunder. Re8+ was best. } (20... Re8+ 21. Kf1 Qb5+ 22. Kg1 Qxb2 23. Rf1 Qxc3 24. h3 Qxd4 25. Qxd4 cxd4 26. Rd1 Re2 27. g4) 21. dxc5?? { (0.05 → Mate in 5) Checkmate is now unavoidable. O-O-O was best. } (21. O-O-O Re8) 21... Qxb2?? { (Mate in 5 → -1.41) Lost forced checkmate sequence. Re8+ was best. } (21... Re8+ 22. Qe4 Rxe4+ 23. Kd1 Qd3+ 24. Kc1 Re2 25. cxd6 Qc2#) 22. O-O Qxc3?? { (-1.44 → 1.11) Blunder. dxc5 was best. } (22... dxc5 23. Qc4) 23. cxd6? { (1.11 → -0.14) Mistake. Rac1 was best. } (23. Rac1 Qg7) 23... Rxd6?? { (-0.14 → 7.67) Blunder. Kb8 was best. } (23... Kb8 24. Rad1) 24. Rfc1 Rhd8 25. Rxc3+ Kb8 26. Rcc1 h5 27. Qg5 Rg8 28. Qf4 Rd8 29. Rd1 Kc7?! { (13.86 → Mate in 6) Checkmate is now unavoidable. a6 was best. } (29... a6 30. Qxd6+) 30. Rac1+ { Black resigns. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting