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Puzzles (3 cohencoins award for each match):

Puzzle wRN1L: 999999999

NM🏒 Rajaie (1539) +2
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/35zB9P9N"] [Date "2025.07.13"] [White "Zayn1"] [Black "Rajaie"] [Result "0-1"] [UTCDate "2025.07.13"] [UTCTime "17:11:26"] [WhiteElo "1234"] [BlackElo "1539"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+2"] [WhiteTitle "NM"] [BlackTitle "NM🏒"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C47"] [Opening "Four Knights Game: Scotch Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 { C47 Four Knights Game: Scotch Variation } d6?! { (0.05 → 0.70) Inaccuracy. exd4 was best. } (4... exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. Bg5 c6 11. Qf3) 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qxd8+ Kxd8 8. Bg5 Be7 9. Bxf6 Bxf6 10. Bb5 Be6 11. O-O-O+ Kc8 12. Nd5? { (-0.22 → -1.44) Mistake. Ba4 was best. } (12. Ba4 c6 13. Bb3 Bxb3 14. cxb3 Rd8 15. b4 b5 16. Ne2 Kc7 17. Kc2 Bh4 18. g3 Be7) 12... Bxd5? { (-1.44 → 0.04) Mistake. Bg5+ was best. } (12... Bg5+) 13. Rxd5 c6 14. Rc5 Rd8 15. Bd3 Kc7 16. Rd1 Rac8 17. Bc4?? { (-0.44 → -11.19) Blunder. Kd2 was best. } (17. Kd2 b6) 17... Bg5+ 18. f4 Bxf4+ 19. Kb1?! { (-12.00 → Mate in 1) Checkmate is now unavoidable. Rd2 was best. } (19. Rd2 Bxd2+) 19... Rxd1# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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