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Puzzles (3 cohencoins award for each match):

Puzzle I7X7g: 880

IM Noah13 (1450) +28
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/F879qYKI"] [Date "2026.05.12"] [White "BENJAMIN4"] [Black "Noah13"] [Result "0-1"] [UTCDate "2026.05.12"] [UTCTime "20:25:09"] [WhiteElo "1559"] [BlackElo "1450"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+28"] [WhiteTitle "🌊"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A46"] [Opening "Indian Defense: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nf6 2. Bf4 e6 3. Nf3 { A46 Indian Defense: London System } c5 4. e3 Qb6 5. dxc5 Qxb2 6. Be5?! { (-0.28 → -1.20) Inaccuracy. Nbd2 was best. } (6. Nbd2) 6... Qb4+ 7. Nbd2 Qxc5 8. Bd3 Nc6 9. Nc4?? { (-1.22 → -3.99) Blunder. Bb2 was best. } (9. Bb2 Be7 10. Rb1 b6 11. O-O O-O 12. e4 d6 13. Bxf6 Bxf6 14. Rb5 Qc3 15. e5 Bxe5) 9... Nxe5 10. Ncxe5 Qa5+?! { (-4.61 → -3.61) Inaccuracy. b5 was best. } (10... b5) 11. Qd2?? { (-3.61 → -8.68) Blunder. c3 was best. } (11. c3) 11... Bb4 12. Nc4 Bxd2+ 13. Nfxd2 Qc7 14. O-O d5 15. Nb2 Qc3 16. Bb5+ Bd7 17. Na4 Qxd2 18. Bxd7+ Nxd7 19. Rfd1 Qxc2 20. h3 Qxa4 21. Rab1 O-O-O 22. Rdc1+ Kb8 23. Rc3 Qxa2 24. Rcb3 b6 25. R3b2 Qa3 26. Rb3 Qa6 27. Rb5 Rc8 28. R5b2 Qd3 29. Kh2 Ne5 30. Rb3 Qe2 31. R3b2 Rc2 32. Rb3?! { (-15.61 → Mate in 5) Checkmate is now unavoidable. Rxc2 was best. } (32. Rxc2 Qxc2) 32... Qxf2 33. Rg1 Nf3+ 34. Kh1 Qxg1# { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting