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Puzzles (3 cohencoins award for each match):

Puzzle DerDk: 516

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/44kcwYk6"] [Date "2026.08.07"] [White "Eli4"] [Black "Zayn1"] [Result "0-1"] [UTCDate "2026.08.07"] [UTCTime "23:30:16"] [WhiteElo "764"] [BlackElo "1612"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Englund Gambit Complex: Soller Gambit"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 e5? { (0.41 → 1.81) Mistake. Nf6 was best. } (1... Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4) 2. dxe5 f6 { A40 Englund Gambit Complex: Soller Gambit } 3. exf6 Nxf6 4. e4 Nxe4?? { (1.30 → 5.96) Blunder. Bb4+ was best. } (4... Bb4+ 5. c3) 5. f3?? { (5.96 → -2.75) Blunder. Qh5+ was best. } (5. Qh5+) 5... Qh4+ 6. g3 Nxg3 7. hxg3 Qxh1 8. g4?? { (-2.85 → -7.44) Blunder. Qe2+ was best. } (8. Qe2+) 8... Qxg1 9. Qe2+ Be7 10. Bg5 Qc5 11. Bxe7 Qxe7 12. Qxe7+ Kxe7 13. c4 Nc6 14. Nd2 Kf6 15. Ne4+ Ke5 16. f4+ Kxf4 17. Ng5 Re8+ 18. Be2 d5 19. Nxh7 Bxg4 20. Nf6?! { (-15.20 → Mate in 12) Checkmate is now unavoidable. O-O-O was best. } (20. O-O-O) 20... Rxe2+ 21. Kd1 Rd8?! { (Mate in 3 → -16.61) Lost forced checkmate sequence. gxf6 was best. } (21... gxf6 22. a3 Rh8 23. cxd5 Rh1#) 22. Nxd5+ Rxd5+ 23. cxd5 Rxb2+?! { (Mate in 3 → -10.87) Lost forced checkmate sequence. Nb4 was best. } (23... Nb4 24. d6 Nd3 25. dxc7 Rxb2#) 24. Kc1 Rf2 25. dxc6 Ke4?! { (-15.54 → -6.22) Inaccuracy. bxc6 was best. } (25... bxc6) 26. cxb7 Rf8 27. Rb1 Rb8 28. a4 Kd3 29. a5 Kc3 30. a6?? { (-7.00 → Mate in 8) Checkmate is now unavoidable. Ra1 was best. } (30. Ra1 Rxb7) 30... Re8 31. b8=Q Re1# { Black wins by checkmate. } 0-1
RapidOverall
101010
30
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