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Puzzles (3 cohencoins award for each match):

Puzzle eFrpp: 999999999

GM🎅 Trekker (1751) ±0
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/LZzdaGeS"] [Date "2025.07.08"] [White "Alexander9"] [Black "Trekker"] [Result "0-1"] [UTCDate "2025.07.08"] [UTCTime "20:34:54"] [WhiteElo "1026"] [BlackElo "1751"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [BlackTitle "GM🎅"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B02"] [Opening "Alekhine Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 Nf6 { B02 Alekhine Defense } 2. Qf3?? { (0.91 → -0.82) Blunder. e5 was best. } (2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nf3 Be7 7. Nc3 Nc6 8. Be3 O-O) 2... Nc6 3. Bc4?! { (-0.91 → -1.95) Inaccuracy. Nc3 was best. } (3. Nc3 e5 4. Nd5 Nd4 5. Nxf6+ gxf6 6. Qd1 d5 7. d3 Nc6 8. c3 dxe4 9. dxe4 Qxd1+) 3... Ne5?! { (-1.95 → -1.27) Inaccuracy. Nd4 was best. } (3... Nd4) 4. Qc3 Nxc4 5. Qxc4 e5? { (-1.32 → -0.18) Mistake. d5 was best. } (5... d5 6. exd5 Qxd5 7. Qxd5 Nxd5 8. d3 Nb4 9. Kd1 b6 10. Nc3 Bb7 11. f3 e5 12. a3) 6. d4?? { (-0.18 → -2.29) Blunder. Nf3 was best. } (6. Nf3) 6... Nxe4?! { (-2.29 → -1.26) Inaccuracy. d5 was best. } (6... d5 7. exd5 Qxd5 8. Qxd5 Nxd5 9. dxe5 Nb4 10. Na3 Bf5 11. Nf3 Bxc2 12. O-O Bd3 13. Re1) 7. dxe5 Ng5?? { (-1.40 → 0.70) Blunder. d5 was best. } (7... d5 8. exd6 Nxd6 9. Qf4 Bf5 10. Nc3 Bxc2 11. Nf3 Be7 12. O-O O-O 13. Nd5 Re8 14. Nxe7+) 8. e6?? { (0.70 → -3.49) Blunder. Nc3 was best. } (8. Nc3 b6 9. Be3 Bb7 10. Nd5 c6 11. Nc3 b5 12. Qd3 Ne6 13. O-O-O c5 14. Nd5 c4) 8... Nxe6 9. Nf3 Bc5 10. O-O b6 11. Qb5? { (-2.69 → -4.65) Mistake. Nc3 was best. } (11. Nc3 c6 12. Qa4 O-O 13. Ne4 b5 14. Qb3 Be7 15. Re1 d5 16. Ng3 Re8 17. Nh5 Bf8) 11... O-O 12. b3? { (-3.90 → -6.99) Mistake. Nc3 was best. } (12. Nc3 Bb7) 12... Nd4?? { (-6.99 → -3.23) Blunder. Qf6 was best. } (12... Qf6 13. c3) 13. Qc4?? { (-3.23 → -8.46) Blunder. Nxd4 was best. } (13. Nxd4) 13... Nxf3+ 14. gxf3 Qg5+?? { (-8.60 → 9.79) Blunder. Qf6 was best. } (14... Qf6 15. Be3 Bxe3 16. fxe3 Qxa1 17. Qc3 Qxc3 18. Nxc3 Ba6 19. Rd1 Rae8 20. e4 f5 21. Rxd7) 15. Kh1?? { (9.79 → -8.83) Blunder. Bxg5 was best. } (15. Bxg5 c6 16. Qd3 d5 17. Nc3 Re8 18. Rfb1 Re6 19. a4 Be7 20. Bf4 Rf6 21. Qd2 Re6) 15... Bb7?? { (-8.83 → 8.69) Blunder. Qf6 was best. } (15... Qf6) 16. Bxg5 Bxf3+ 17. Kg1 d5 18. Qf4 Be4 19. Qxc7 Rac8 20. Qxa7 Rce8 21. Bc1 Re6 22. Qa4?? { (9.28 → Mate in 2) Checkmate is now unavoidable. Bf4 was best. } (22. Bf4 Bxc2) 22... Rg6+ 23. Bg5 Rxg5# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting