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Puzzles (3 cohencoins award for each match):

Puzzle Z1qTZ: 495

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/BRnAD1P4"] [Date "2025.10.29"] [White "Bohdan"] [Black "LuNa"] [Result "1-0"] [UTCDate "2025.10.29"] [UTCTime "20:03:09"] [WhiteElo "1458"] [BlackElo "910"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [WhiteTitle "🐍"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. e4 d5 { B01 Scandinavian Defense } 2. Nc3? { (0.87 → -0.58) Mistake. exd5 was best. } (2. exd5) 2... dxe4?! { (-0.58 → 0.17) Inaccuracy. d4 was best. } (2... d4) 3. Nxe4 Bf5 4. f3? { (0.07 → -1.12) Mistake. Ng3 was best. } (4. Ng3 Bg6) 4... Bxe4?? { (-1.12 → 0.94) Blunder. e5 was best. } (4... e5 5. Bb5+ Bd7 6. Qe2 Nc6 7. Bxc6 Bxc6 8. d3 Qd5 9. Nc3 Qe6 10. Bd2 Bd6 11. O-O-O) 5. fxe4 Qd4 6. Nf3?? { (1.40 → -0.16) Blunder. Qe2 was best. } (6. Qe2 Qa4 7. b3 Qc6 8. Kd1 e5 9. Nf3 Nd7 10. Qc4 Qxc4 11. Bxc4 f6 12. c3 Nh6) 6... Qxe4+ 7. Be2 Qg4? { (0.00 → 1.11) Mistake. e6 was best. } (7... e6 8. d4 Nf6 9. O-O Be7 10. Ne5 Bc5 11. Nf3) 8. h3?? { (1.11 → -1.62) Blunder. O-O was best. } (8. O-O Qc8 9. d4 Nf6 10. Bc4 e6 11. Ng5 Bd6 12. Nxf7 Kxf7 13. Qh5+ Ke7 14. Bg5 Qe8) 8... Qxg2 9. Rg1 Qxh3 10. Ne5?? { (-1.79 → -5.00) Blunder. d4 was best. } (10. d4 Nc6) 10... Qh4+ 11. Kf1 f6? { (-4.62 → -2.53) Mistake. Qf6+ was best. } (11... Qf6+ 12. Nf3) 12. Nf3?! { (-2.53 → -3.91) Inaccuracy. Bf3 was best. } (12. Bf3) 12... Qf4? { (-3.91 → -1.97) Mistake. Qh3+ was best. } (12... Qh3+ 13. Rg2 Nc6 14. d4 O-O-O 15. Ng5 Qh1+ 16. Rg1 Qd5 17. Bg4+ f5 18. Bf3 Qxd4 19. Qe2) 13. d3? { (-1.97 → -3.64) Mistake. c4 was best. } (13. c4 Nc6) 13... Qf5 14. Qd2?! { (-3.84 → -5.78) Inaccuracy. c3 was best. } (14. c3 Nc6) 14... Qh3+ 15. Kf2 Nc6 16. Qf4 O-O-O 17. Rg3 Qh1?? { (-5.86 → -1.58) Blunder. e5 was best. } (17... e5 18. Rxh3 exf4 19. Bxf4 g5 20. Bxg5 fxg5 21. Nxg5 Bc5+ 22. Ke1 Re8 23. Nf7 Nd4 24. c3) 18. Rg1?? { (-1.58 → -5.16) Blunder. Qg4+ was best. } (18. Qg4+ e6 19. Rh3 f5 20. Qh5 g6 21. Qh4 Bc5+ 22. d4 Rxd4 23. Nxd4 Qd5 24. c3 e5) 18... Qh6?? { (-5.16 → 4.99) Blunder. Qh3 was best. } (18... Qh3) 19. Be3?? { (4.99 → -8.17) Blunder. Qf5+ was best. } (19. Qf5+ Kb8) 19... g5?? { (-8.17 → -3.60) Blunder. Qxf4 was best. } (19... Qxf4 20. Bxf4) 20. Qf5+ { White wins on time. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting