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Puzzles (3 cohencoins award for each match):

Puzzle KFZ1X: 514

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/VO33hk77"] [Date "2026.02.04"] [White "Alexander9"] [Black "Maria"] [Result "1/2-1/2"] [UTCDate "2026.02.04"] [UTCTime "21:49:13"] [WhiteElo "935"] [BlackElo "1200"] [WhiteRatingDiff "+9"] [BlackRatingDiff "-5"] [BlackTitle "❦"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C42"] [Opening "Russian Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 { C42 Russian Game } Qe7 4. Ng4?! { (0.89 → 0.14) Inaccuracy. d4 was best. } (4. d4 Nc6) 4... Nxg4?! { (0.14 → 1.08) Inaccuracy. Qxe4+ was best. } (4... Qxe4+ 5. Ne3 Bc5 6. d3 Qe7 7. d4 Bb6 8. a4 a5 9. c3 d5 10. Bd3 c5 11. O-O) 5. Qxg4 f5?? { (1.12 → 3.59) Blunder. Nc6 was best. } (5... Nc6 6. Qe2 f5 7. exf5 d5 8. Nc3 Nb4 9. Qxe7+ Bxe7 10. Kd1 Bxf5 11. d3 O-O-O 12. Be2) 6. Qxf5 d6?? { (3.27 → 10.18) Blunder. Nc6 was best. } (6... Nc6 7. c3 g6 8. Qd5 Bh6 9. Be2 d6 10. O-O Be6 11. Qd3 d5 12. exd5 Bf5 13. Qc4) 7. Qh5+?? { (10.18 → 3.06) Blunder. Qxc8+ was best. } (7. Qxc8+) 7... g6 8. Qb5+?! { (3.04 → 2.31) Inaccuracy. Qe2 was best. } (8. Qe2 Bg7 9. g3 Nc6 10. c3 Ne5 11. Bg2 O-O 12. O-O c5 13. f3 Be6 14. d3 d5) 8... c6 9. Qe2 Qe6?! { (2.94 → 4.09) Inaccuracy. Bg7 was best. } (9... Bg7 10. g3 h5 11. d3 Be6 12. c3 Nd7 13. d4 h4 14. Bg2 O-O-O 15. O-O hxg3) 10. c3 Bg7 11. b4?? { (4.17 → 1.87) Blunder. d4 was best. } (11. d4 O-O 12. Qc2 d5 13. Be3 Qxe4 14. Qxe4 dxe4 15. Bc4+ Kh8 16. Nd2 Re8 17. Bf7 Re7) 11... Nd7 12. Na3 d5?? { (1.67 → 5.12) Blunder. O-O was best. } (12... O-O 13. d4 d5 14. Qe3 Nf6 15. f3 dxe4 16. Bc4 Nd5 17. Qxe4 Qd6 18. O-O Kh8 19. Bxd5) 13. Bb2?? { (5.12 → -0.06) Blunder. exd5 was best. } (13. exd5 Qxe2+ 14. Bxe2 cxd5 15. Nb5 Kd8 16. d3 a5 17. bxa5 Rxa5 18. Bg5+ Bf6 19. Bxf6+ Nxf6) 13... Qxe4? { (-0.06 → 1.38) Mistake. dxe4 was best. } (13... dxe4 14. d4) 14. Bc1? { (1.38 → 0.08) Mistake. Qxe4+ was best. } (14. Qxe4+ dxe4) 14... Qxe2+ 15. Bxe2 Ne5?! { (0.22 → 0.94) Inaccuracy. O-O was best. } { Black offers draw } { The game is a draw. } (15... O-O) 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
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