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Puzzles (3 cohencoins award for each match):

Puzzle OK2bL: 533

NM🍕 Larenzo (1615) +3
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/yJM4S3di"] [Date "2025.06.18"] [White "Gabriel1"] [Black "Larenzo"] [Result "0-1"] [UTCDate "2025.06.18"] [UTCTime "20:13:16"] [WhiteElo "1369"] [BlackElo "1615"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+3"] [WhiteTitle "🏈"] [BlackTitle "NM🍕"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C65"] [Opening "Ruy Lopez: Berlin Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 { C65 Ruy Lopez: Berlin Defense } 4. Bxc6?! { (0.49 → -0.08) Inaccuracy. O-O was best. } (4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Re8) 4... dxc6 5. Nxe5?! { (-0.16 → -1.05) Inaccuracy. d3 was best. } (5. d3 Bd6) 5... Nxe4?! { (-1.05 → -0.48) Inaccuracy. Qd4 was best. } (5... Qd4) 6. Qe2 Qd5 7. f4 Bd6?? { (-0.83 → 1.15) Blunder. Be6 was best. } (7... Be6 8. d3 Qa5+ 9. Kd1 Nd6 10. Bd2 Qa6 11. Nc3 O-O-O 12. Re1 c5 13. b3 Nf5 14. a4) 8. d3?! { (1.15 → 0.62) Inaccuracy. d3 was best. } (8. d3 Bxe5) 8... Bxe5 9. dxe4 Qa5+ 10. b4?? { (0.36 → -5.22) Blunder. Bd2 was best. } (10. Bd2 Qb6 11. Nc3 Bd4 12. O-O-O Be6 13. b3 O-O-O 14. f5 Bd7 15. Kb1 f6 16. Qf3 Qc5) 10... Qxb4+ 11. c3 Bxc3+ 12. Bd2 Bxd2+ 13. Qxd2?! { (-5.38 → -7.75) Inaccuracy. Nxd2 was best. } (13. Nxd2 b6) 13... Qxe4+ 14. Kd1 Qa4+ 15. Kc1 Qc4+ 16. Nc3 Be6 17. f5 Bxf5 18. Re1+ Be6 19. Rf1 Qxf1+ 20. Nd1 Rd8 21. Qe2?! { (-15.37 → Mate in 4) Checkmate is now unavoidable. a4 was best. } (21. a4 Bg4) 21... Qxe2 22. Rb1 Qxd1+ 23. Kb2 Rd2+ 24. Ka3 Qxb1 25. Ka4 Rb2 26. a3 Bb3+ 27. Ka5 Qd3 28. a4 b6+ 29. Kb4 Bxa4+ 30. Kxa4 Qb3# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting