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Puzzles (3 cohencoins award for each match):

Puzzle IXvfP: 662

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/4ttuy4ek"] [Date "2025.08.25"] [White "KiRiLL"] [Black "ReId3"] [Result "1-0"] [UTCDate "2025.08.25"] [UTCTime "15:36:41"] [WhiteElo "1414"] [BlackElo "1091"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-10"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Blackmar-Diemer, Lemberger Countergambit"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 Nf6?! { (0.26 → 0.91) Inaccuracy. c5 was best. } (1... c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nf6 6. Re1 e6 7. c3 Nc6 8. d4) 2. Nc3?! { (0.91 → 0.23) Inaccuracy. e5 was best. } (2. e5) 2... e5 3. d4 d5? { (-0.13 → 1.17) Mistake. exd4 was best. } { D00 Blackmar-Diemer, Lemberger Countergambit } (3... exd4 4. Qxd4) 4. Bd3?? { (1.17 → -0.59) Blunder. dxe5 was best. } (4. dxe5 Nxe4) 4... exd4 5. Nxd5 Nxd5 6. exd5 Qxd5 7. Qe2+?! { (-0.29 → -0.82) Inaccuracy. Ne2 was best. } (7. Ne2) 7... Be6 8. Nf3?! { (-0.67 → -1.33) Inaccuracy. Be4 was best. } (8. Be4) 8... Bc5?? { (-1.33 → 3.17) Blunder. Nc6 was best. } (8... Nc6) 9. Bb5+?? { (3.17 → -2.80) Blunder. Be4 was best. } (9. Be4 Qd8) 9... c6?! { (-2.80 → -1.75) Inaccuracy. Nc6 was best. } (9... Nc6) 10. Bd3 O-O 11. O-O Bd6?! { (-1.68 → -0.68) Inaccuracy. Nd7 was best. } (11... Nd7 12. Re1 Rfe8 13. Bf4 h6 14. h3 Bb4 15. Qe4 Qxe4 16. Rxe4 Nc5 17. Rxd4 Nxd3 18. Rxd3) 12. Re1?! { (-0.68 → -1.22) Inaccuracy. Ng5 was best. } (12. Ng5 Bf5) 12... Qh5?? { (-1.22 → 0.63) Blunder. Nd7 was best. } (12... Nd7 13. Be4) 13. Bd2?? { (0.63 → -1.69) Blunder. h3 was best. } (13. h3) 13... Bg4 14. Be4?? { (-1.60 → -7.06) Blunder. h3 was best. } (14. h3 Bxf3 15. Qxf3 Qxf3 16. gxf3 Nd7 17. Re4 Nc5 18. Rxd4 Be5 19. Rb4 a5 20. Rc4 Nxd3) 14... Bxf3?? { (-7.06 → -3.20) Blunder. Bxh2+ was best. } (14... Bxh2+) 15. Qxf3 Qxh2+ 16. Kf1 Qh1+?? { (-3.01 → 4.57) Blunder. Nd7 was best. } (16... Nd7 17. g3) 17. Ke2 Qh2?! { (4.52 → 6.11) Inaccuracy. Qh4 was best. } { Black offers draw } (17... Qh4 18. Rh1) 18. Qf5?? { (6.11 → -3.77) Blunder. g3 was best. } (18. g3) 18... Re8 19. Kf3 Rxe4?? { (-3.01 → 4.55) Blunder. Na6 was best. } (19... Na6 20. Bd3) 20. Rxe4?! { (4.55 → 3.37) Inaccuracy. Qc8+ was best. } (20. Qc8+) 20... g6? { (3.37 → 5.78) Mistake. Na6 was best. } { Black resigns. } (20... Na6 21. Bf4) 1-0
Computer analysisMove timesCrosstableFEN & PGN
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