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Puzzles (3 cohencoins award for each match):

Puzzle BsQYe: 774

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ioe5UdjU"] [Date "2025.10.15"] [White "SaViNa"] [Black "Isaac6"] [Result "0-1"] [UTCDate "2025.10.15"] [UTCTime "20:29:01"] [WhiteElo "1222"] [BlackElo "1856"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+1"] [BlackTitle "GMšŸ”„"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Three Knights Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 { C46 Three Knights Opening } Bc5?! { (0.18 → 0.88) Inaccuracy. Nf6 was best. } (3... Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Kxe2) 4. Bb5?! { (0.88 → -0.04) Inaccuracy. Nxe5 was best. } (4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. Bd3 d6 8. h3 Bxc3+ 9. bxc3 Qe7 10. O-O Nf6) 4... Nge7 5. Bxc6?! { (0.44 → -0.23) Inaccuracy. Nxe5 was best. } (5. Nxe5 Nxe5 6. d4 c6 7. Ba4 Bd6 8. dxe5 Bxe5 9. O-O O-O 10. Bb3 d5 11. exd5 Bxc3) 5... Nxc6 6. O-O d6 7. d3 Bg4 8. Bg5?? { (-0.23 → -7.30) Blunder. h3 was best. } (8. h3 Bh5 9. Nd5 O-O 10. c3 Ne7 11. Nxe7+ Qxe7 12. b4 Bb6 13. a4 a5 14. g4 Bg6) 8... f6?? { (-7.30 → -0.50) Blunder. Bxf3 was best. } (8... Bxf3 9. Bxd8) 9. Be3 Qe7?! { (-0.62 → 0.02) Inaccuracy. Ne7 was best. } (9... Ne7 10. a4) 10. Bxc5? { (0.02 → -1.40) Mistake. Nd5 was best. } (10. Nd5 Qd8 11. c3 O-O 12. h3 Bh5 13. a4 Bb6 14. Re1 Kh8 15. b4 Bxe3 16. Rxe3 a5) 10... dxc5 11. h3 Bh5 12. g4?? { (-1.52 → -3.62) Blunder. Nd5 was best. } (12. Nd5 Qd6 13. Ne3 O-O-O 14. Nf5 Qd7 15. a3 Kb8 16. b4 cxb4 17. axb4 Nxb4 18. Qb1 Nc6) 12... Bg6? { (-3.62 → -1.93) Mistake. Bf7 was best. } (12... Bf7 13. Nh4 O-O-O 14. f4 h5 15. f5 c4 16. Ng6 Bxg6 17. fxg6 cxd3 18. cxd3 Qd7 19. Kg2) 13. Nd5 Qd7 14. c4 O-O-O 15. Qa4? { (-2.61 → -4.25) Mistake. Kh2 was best. } (15. Kh2 Bf7 16. Rg1 Kb8 17. Qd2 Be6 18. Qe3 b6 19. a3 h5 20. g5 f5 21. exf5 Bxf5) 15... h5 16. gxh5?? { (-4.23 → Mate in 8) Checkmate is now unavoidable. Nh4 was best. } (16. Nh4 Be8 17. b4 Kb8 18. bxc5 hxg4 19. Nf5 g6 20. Ng3 Nd4 21. Qxd7 Bxd7 22. c6 Nxc6) 16... Qxh3?! { (Mate in 8 → -29.20) Lost forced checkmate sequence. Qxh3 was best. } (16... Qxh3 17. Ne7+ Nxe7 18. Qd7+ Rxd7 19. Nh4 Rxh5 20. f3 Qxh4 21. Rfb1 Rg5+ 22. Kf1 Qh2 23. Ke1) 17. Qxa7?! { (-29.20 → Mate in 4) Checkmate is now unavoidable. Nh4 was best. } (17. Nh4 Rxh5) 17... Nxa7 18. Ne7+ Kb8 19. Nxg6 Rxh5 20. Nh2 Qxh2# { Black wins by checkmate. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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