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Puzzles (3 cohencoins award for each match):

Puzzle eklaF: 900

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/WYE7Ztax"] [Date "2026.05.08"] [White "Cora"] [Black "Wali"] [Result "0-1"] [UTCDate "2026.05.08"] [UTCTime "20:03:53"] [WhiteElo "1389"] [BlackElo "1836"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+2"] [WhiteTitle "๐Ÿงถ"] [BlackTitle "GM๐Ÿ†"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nf6 2. Bf4 d5 3. Nf3 { D02 Queen's Pawn Game: London System } Nc6 4. Nc3 Bf5 5. e3 a6 6. Bd3 Ne4 7. Nxe4?? { (0.77 โ†’ -3.29) Blunder. O-O was best. } (7. O-O Nxc3) 7... dxe4 8. Nh4 exd3 9. Nxf5 dxc2? { (-3.39 โ†’ -1.73) Mistake. e6 was best. } (9... e6) 10. Qxc2 e6 11. Ng3? { (-1.54 โ†’ -3.41) Mistake. Qe4 was best. } (11. Qe4 g6 12. Nh6 Qe7 13. d5 Qb4+ 14. Qxb4 Nxb4 15. dxe6 Bxh6 16. Bxh6 Nc2+ 17. Ke2 Nxa1) 11... Bb4+? { (-3.41 โ†’ -2.04) Mistake. g5 was best. } (11... g5 12. Be5 f6 13. O-O-O Qe7 14. Ne4 fxe5 15. dxe5 Bg7 16. f4 gxf4 17. exf4 O-O 18. g3) 12. Ke2 O-O?? { (-2.18 โ†’ 0.00) Blunder. g5 was best. } (12... g5 13. Be5 f6 14. d5 Nxe5 15. Qa4+ Qd7 16. Qxb4 Qxd5 17. Rhd1 Qb5+ 18. Qxb5+ axb5 19. f4) 13. a3 Bd6 14. Bxd6 Qxd6?! { (-0.41 โ†’ 0.59) Inaccuracy. cxd6 was best. } (14... cxd6 15. Rhc1) 15. Rhd1 Rad8 16. Ne4 Qxh2?? { (0.40 โ†’ 7.59) Blunder. Qd5 was best. } (16... Qd5) 17. Rh1 Qxg2? { (7.46 โ†’ Mate in 2) Checkmate is now unavoidable. Qxh1 was best. } (17... Qxh1 18. Rxh1) 18. Rhg1?? { (Mate in 2 โ†’ 6.39) Lost forced checkmate sequence. Nf6+ was best. } (18. Nf6+ gxf6 19. Qxh7#) 18... Qh3 19. Ng5?? { (9.13 โ†’ -5.29) Blunder. Nf6+ was best. } (19. Nf6+ Kh8 20. Rh1 g6 21. Rxh3 Kg7 22. Nxh7 Rh8 23. Rah1 Rd5 24. f3 Rh5 25. Rxh5 gxh5) 19... Qh6?? { (-5.29 โ†’ -1.93) Blunder. Qh5+ was best. } (19... Qh5+ 20. Kf1 e5 21. dxe5 Nxe5 22. Rg3 Rfe8 23. Rc1 c6 24. f4 Ng6 25. Kf2 Rd7 26. b4) 20. Ne4?? { (-1.93 โ†’ -5.94) Blunder. Rh1 was best. } (20. Rh1) 20... e5?? { (-5.94 โ†’ 4.73) Blunder. Rxd4 was best. } (20... Rxd4 21. Rh1) 21. dxe5?? { (4.73 โ†’ -5.57) Blunder. Rh1 was best. } (21. Rh1) 21... Nxe5?? { (-5.57 โ†’ -1.07) Blunder. Qh5+ was best. } (21... Qh5+) 22. Nc5?? { (-1.07 โ†’ -9.44) Blunder. Rh1 was best. } (22. Rh1) 22... Qh5+ 23. f3 Qxf3+ 24. Ke1 Qxe3+ 25. Qe2?! { (-11.05 โ†’ Mate in 2) Checkmate is now unavoidable. Kf1 was best. } (25. Kf1 Rd2) 25... Qxg1+ 26. Qf1 Qxc5 27. Qf5 Qe3+ 28. Kf1 Rd2 29. Qb1 Qf2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting