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Puzzles (3 cohencoins award for each match):

Puzzle nTjUZ: 327

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/EW07XHIR"] [Date "2026.04.08"] [White "LuNa"] [Black "Cora"] [Result "0-1"] [UTCDate "2026.04.08"] [UTCTime "20:43:05"] [WhiteElo "805"] [BlackElo "1353"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [BlackTitle "๐Ÿงถ"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "Center Game"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. d4?! { (0.60 โ†’ -0.29) Inaccuracy. Nf3 was best. } { C20 Center Game } (2. Nf3 Nc6 3. Bb5 Nge7 4. O-O Ng6 5. d4 exd4 6. Nxd4 Bc5 7. Nf5 O-O 8. Nc3 a6) 2... Bd6?? { (-0.29 โ†’ 2.01) Blunder. exd4 was best. } (2... exd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 Bb4 6. Nf3 d6 7. Qb3 Bxc3+ 8. Qxc3 Nf6 9. e5) 3. dxe5 Bxe5 4. h4? { (1.78 โ†’ 0.37) Mistake. Nf3 was best. } (4. Nf3 d6) 4... Nf6?? { (0.37 โ†’ 3.22) Blunder. Nc6 was best. } (4... Nc6 5. Nf3) 5. Bg5?? { (3.22 โ†’ -3.77) Blunder. f4 was best. } (5. f4 Bd6 6. e5 Bb4+ 7. c3 Bc5 8. exf6 Qxf6 9. Bd3 d5 10. Qe2+ Kd8 11. Qf3 Nd7) 5... O-O?? { (-3.77 โ†’ -1.12) Blunder. Bxb2 was best. } (5... Bxb2 6. Nd2 Bxa1 7. Qxa1 d6 8. h5 h6 9. Bh4 Qe7 10. f4 O-O 11. Ngf3 Nbd7 12. Bd3) 6. Bc4?? { (-1.12 โ†’ -4.62) Blunder. c3 was best. } (6. c3) 6... Nc6?? { (-4.62 โ†’ -1.01) Blunder. Bxb2 was best. } (6... Bxb2 7. Nd2 Bxa1 8. Qxa1 d6 9. Ne2 Nbd7 10. f4 h6 11. e5 dxe5 12. fxe5 hxg5 13. hxg5) 7. Bh6?? { (-1.01 โ†’ -9.08) Blunder. c3 was best. } (7. c3 Re8 8. Nf3 d6 9. Nbd2 h6 10. Bxf6 Bxf6 11. Qb3 Qe7 12. Qc2 Ne5 13. Nxe5 Qxe5) 7... gxh6 8. Bxf7+ Rxf7 9. Nd2 Bxb2 10. Nc4 Bxa1 11. Ne5 Bxe5 12. Nf3 Bc3+ 13. Qd2 Bxd2+ 14. Nxd2 Re7 15. O-O Nxe4 16. f3 Nxd2 17. Rd1?! { (-26.87 โ†’ Mate in 5) Checkmate is now unavoidable. g4 was best. } (17. g4 Rg7) 17... Nxf3+?! { (Mate in 5 โ†’ -72.20) Lost forced checkmate sequence. Re2 was best. } { Black wins on time. } (17... Re2 18. g3 Qf6 19. Re1 Qd4+ 20. Kh1 Nxf3 21. Rxe2 Qg1#) 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting