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Puzzles (3 cohencoins award for each match):

Puzzle 1LkvO: 628

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/YtHeWizK"] [Date "2026.04.20"] [White "ReId3"] [Black "Caroline1"] [Result "0-1"] [UTCDate "2026.04.20"] [UTCTime "15:24:16"] [WhiteElo "1011"] [BlackElo "1284"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+3"] [BlackTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. e3 { D00 Queen's Pawn Game } Nc6 3. Bd3? { (0.58 → -0.53) Mistake. Nf3 was best. } (3. Nf3 Bf5) 3... e5 4. Nf3?? { (-0.42 → -5.82) Blunder. dxe5 was best. } (4. dxe5 Nxe5 5. Nf3 Nxd3+ 6. cxd3 Bd6 7. e4 Ne7 8. Nc3 c6 9. exd5 cxd5 10. h3 O-O) 4... e4 5. Bxe4?! { (-6.19 → -8.93) Inaccuracy. Be2 was best. } (5. Be2) 5... dxe4 6. Ne5 Nxe5 7. dxe5 Qxd1+ 8. Kxd1 f6 9. f3 exf3 10. gxf3 fxe5 11. f4 exf4 12. exf4 Bd6 13. Nc3 Bf5 14. Bd2 Nf6 15. Re1+ Be4?? { (-8.87 → -0.42) Blunder. Kf7 was best. } (15... Kf7 16. Nb5 Rhc8 17. Re5 Bg4+ 18. Kc1 Bd7 19. Nxd6+ cxd6 20. Rg5 Ne4 21. Kd1 Nxd2 22. Kxd2) 16. Nxe4 Nxe4 17. Rxe4+ Kf8 18. Ke2 Rd8 19. f5?? { (0.02 → -2.05) Blunder. Kf3 was best. } (19. Kf3 Kf7) 19... Bxh2?! { (-2.05 → -1.25) Inaccuracy. Kf7 was best. } (19... Kf7 20. h4) 20. f6?! { (-1.25 → -1.91) Inaccuracy. Rh1 was best. } (20. Rh1 Bd6) 20... gxf6 21. Rf1?! { (-1.76 → -2.49) Inaccuracy. Bc3 was best. } (21. Bc3 Kf7 22. Rh1 Rhe8 23. Rxe8 Rxe8+ 24. Kf3 Bd6 25. Rxh7+ Kg6 26. Rh4 Be5 27. Bd4 Bxd4) 21... Kf7 22. Rf5?? { (-2.82 → -6.33) Blunder. Bc3 was best. } (22. Bc3 Rd6) 22... Rhg8?? { (-6.33 → -1.74) Blunder. Rde8 was best. } (22... Rde8 23. Rxe8 Rxe8+ 24. Kf2 Re5 25. Rf3 Rh5 26. Bc3 Be5 27. Bxe5 Rxe5 28. Rc3 c6 29. a4) 23. Bf4?? { (-1.74 → -6.80) Blunder. Bc3 was best. } (23. Bc3 Rg6 24. Rh5 Rg2+ 25. Kf3 Rdg8 26. Rxh7+ R8g7 27. Rxg7+ Rxg7 28. Rh4 Bd6 29. Bd4 Rg3+) 23... Bxf4? { (-6.80 → -3.83) Mistake. Rg2+ was best. } (23... Rg2+ 24. Kf3 Rxc2 25. Rh5 Rd3+ 26. Be3 Be5 27. Rexe5 fxe5 28. Ke4 Rxe3+ 29. Kxe3 Kg6 30. Rxe5) 24. Rfxf4? { (-3.83 → -6.25) Mistake. Rexf4 was best. } (24. Rexf4 Rg6) 24... Rg2+ 25. Ke3 Rxc2 26. Rf2 Rxf2 27. Kxf2 Rd2+ 28. Re2 Rxe2+ 29. Kxe2 c5 30. b3 b5 31. Kf3 h5 32. b4 c4 33. Ke3 h4 { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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