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Puzzles (3 cohencoins award for each match):

Puzzle SE1xQ: 807

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ZD3jU7ZZ"] [Date "2026.06.03"] [White "Maria"] [Black "Beckett2"] [Result "0-1"] [UTCDate "2026.06.03"] [UTCTime "20:06:18"] [WhiteElo "1156"] [BlackElo "1664"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [WhiteTitle "❦"] [BlackTitle "GM🍏"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e3 { A00 Van't Kruijs Opening } d5 2. Bb5+? { (0.06 → -1.00) Mistake. d4 was best. } (2. d4 Nf6) 2... Bd7?! { (-1.00 → -0.12) Inaccuracy. c6 was best. } (2... c6 3. Bf1) 3. Qe2? { (-0.12 → -1.27) Mistake. Be2 was best. } (3. Be2 e5 4. d4 e4 5. c4 Qg5 6. g3 dxc4 7. h4 Qg6 8. h5 Qe6 9. Nh3 Bd6) 3... a6? { (-1.27 → -0.16) Mistake. c6 was best. } (3... c6 4. Ba4 e5 5. Bb3 Bd6 6. d4 e4 7. c4 Nf6 8. Nc3 dxc4 9. Bxc4 O-O 10. f3) 4. Bxd7+ Nxd7 5. Nc3 e6 6. Na4?! { (-0.25 → -1.04) Inaccuracy. d3 was best. } (6. d3 Bd6 7. e4 d4 8. Nb1 Ne7 9. Nh3 e5 10. O-O Nc6 11. Nd2 f6 12. Nc4 Qe7) 6... Ngf6 7. Qf3?! { (-0.89 → -1.73) Inaccuracy. d3 was best. } (7. d3 e5 8. Nc3 e4 9. Bd2 b5 10. a3 Bd6 11. g4 h6 12. f4 O-O 13. dxe4 Nxe4) 7... Ne5 8. Qf4?? { (-1.27 → -3.48) Blunder. Qe2 was best. } (8. Qe2) 8... Bd6 9. Nc3?? { (-2.80 → -8.00) Blunder. Qh4 was best. } (9. Qh4 h6) 9... Nd3+ 10. Ke2 Nxf4+ 11. exf4 Bxf4 12. Nf3 d4 13. Na4 b5 14. Nc5 Qd5 15. b4 a5 16. Ba3 axb4 17. Bxb4 Ne4 18. Nh4 Nxc5 19. Bxc5 Qxc5 20. Nf3 Qxc2 21. Nxd4?! { (-12.69 → Mate in 7) Checkmate is now unavoidable. Rhd1 was best. } (21. Rhd1 c5 22. Kf1 Qf5 23. Kg1 O-O 24. d3 Bh6 25. Ne1 Qd5 26. Nf3 e5 27. Nh4 f5) 21... Qe4+?! { (Mate in 7 → -21.47) Lost forced checkmate sequence. Qxd2+ was best. } (21... Qxd2+ 22. Kf3 Ra3+ 23. Nb3 Qd3+ 24. Kg4 h5+ 25. Kxf4 Ra4+ 26. Nd4 Rxd4+ 27. Ke5 Re4#) 22. Kd1?! { (-21.47 → Mate in 5) Checkmate is now unavoidable. Kf1 was best. } (22. Kf1 Qxd4 23. Rd1 Qd3+ 24. Kg1 Rxa2 25. Rf1 Qxf1+ 26. Kxf1 Ra1+ 27. Ke2 Rxh1 28. h3 Kd7) 22... Qxd4 23. Ke2 Qxd2+ 24. Kf1 Rxa2 25. Re1 Qd3+ 26. Kg1 Re2 27. Rxe2 Qxe2?! { (Mate in 2 → -16.43) Lost forced checkmate sequence. Qb1+ was best. } (27... Qb1+ 28. Re1 Qxe1#) 28. g3 Bd6 29. Kg2 Bc5 30. Ra1?! { (-17.93 → Mate in 7) Checkmate is now unavoidable. Rf1 was best. } (30. Rf1 Qxf1+) 30... Qxf2+ 31. Kh3 Qf5+ 32. g4 Qf3+ 33. Kh4 Bf2+ 34. Kg5 h6+ 35. Kh5 g6# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting