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Puzzles (3 cohencoins award for each match):

Puzzle LGQVm: 307

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Avf6IW9B"] [Date "2026.07.08"] [White "Ezra1"] [Black "Trekker"] [Result "1-0"] [UTCDate "2026.07.08"] [UTCTime "20:32:42"] [WhiteElo "1450"] [BlackElo "1794"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-16"] [WhiteTitle "😼"] [BlackTitle "NM🎅"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B02"] [Opening "Alekhine Defense: Scandinavian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 Nf6?! { (0.18 → 0.91) Inaccuracy. c5 was best. } (1... c5) 2. Nc3?! { (0.91 → 0.17) Inaccuracy. e5 was best. } (2. e5 Nd5) 2... d5 { B02 Alekhine Defense: Scandinavian Variation } 3. exd5 Nxd5 4. d4 Bf5 5. Nxd5 Qxd5 6. Nf3 e6 7. Ne5?? { (0.37 → -1.50) Blunder. c3 was best. } (7. c3 Be7) 7... Nc6 8. Nxc6 bxc6?? { (-1.65 → 0.07) Blunder. Qxc6 was best. } (8... Qxc6 9. c3 O-O-O 10. Be3 e5 11. Bd3 Bxd3 12. Qxd3 Qxg2 13. Qf5+ Rd7 14. O-O-O exd4 15. Bxd4) 9. c4?? { (0.07 → -3.51) Blunder. Be2 was best. } (9. Be2 e5 10. Bf3 e4 11. Be2 Qd7 12. O-O Be7 13. c4 O-O 14. Be3 a5 15. Qd2 c5) 9... Qe4+? { (-3.51 → -1.84) Mistake. Bb4+ was best. } (9... Bb4+) 10. Be2? { (-1.84 → -3.50) Mistake. Be3 was best. } (10. Be3 Rb8 11. Qc1 e5 12. f3 Qh4+ 13. g3 Qf6 14. Bg5 Qd6 15. Qd2 Qxd4 16. Qxd4 Bb4+) 10... O-O-O?? { (-3.50 → -0.05) Blunder. Qxg2 was best. } (10... Qxg2 11. Bf3 Bb4+ 12. Ke2 Bg4 13. Bxg4 Qxg4+ 14. Ke3 Qf5 15. Qf3 O-O-O 16. Qxf5 exf5 17. Rg1) 11. Be3?? { (-0.05 → -2.76) Blunder. O-O was best. } (11. O-O Rxd4 12. Qe1 Bb4 13. Qxb4 Qxe2 14. Be3 Qxc4 15. Qa3 Rd5 16. Qxa7 Rhd8 17. Rac1 Qb5) 11... Qxg2 12. Bf3 Qg6?? { (-3.09 → 0.34) Blunder. Bb4+ was best. } (12... Bb4+ 13. Ke2) 13. Bxc6?? { (0.34 → -7.23) Blunder. Qa4 was best. } (13. Qa4 Be4 14. Bxe4 Qxe4 15. O-O-O Bd6 16. Rhg1 Bf4 17. Qxa7 g6 18. Bxf4 Qxf4+ 19. Kb1 Rhe8) 13... Be4?? { (-7.23 → -0.98) Blunder. Bb4+ was best. } (13... Bb4+ 14. Ke2 Bc2 15. Rc1 Bxd1+ 16. Rhxd1 Bd6 17. Rg1 Qh5+ 18. Bf3 Qa5 19. Rxg7 Qxa2 20. Rxf7) 14. d5?? { (-0.98 → -8.74) Blunder. Qa4 was best. } (14. Qa4) 14... Bxh1?? { (-8.74 → 1.86) Blunder. Bb4+ was best. } (14... Bb4+ 15. Bd2 exd5 16. Bxb4 Qxc6 17. Qg4+ f5 18. Qxe4 Rhe8 19. O-O-O Rxe4 20. Kb1 Qxc4 21. Ba3) 15. Qa4?? { (1.86 → -0.02) Blunder. Qb3 was best. } (15. Qb3 Rd6) 15... exd5?? { (-0.02 → Mate in 2) Checkmate is now unavoidable. Rxd5 was best. } (15... Rxd5 16. cxd5) 16. Qa6+ Kb8 17. Qb7# { White wins by checkmate. } 1-0
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