lichess dev

[Event "UltraBullet Shield Arena"] [Site "http://chess-academy.net/3cW8oHsl"] [Date "2024.10.13"] [Round "-"] [White "RussiaFederation"] [Black "Sudzha"] [Result "0-1"] [UTCDate "2024.10.13"] [UTCTime "13:16:34"] [WhiteElo "1496"] [BlackElo "1787"] [WhiteRatingDiff "-43"] [BlackRatingDiff "+32"] [Variant "Standard"] [TimeControl "15+0"] [ECO "B10"] [Opening "Caro-Kann Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c6?! { (0.12 → 0.77) Inaccuracy. Best move was e6. } { B10 Caro-Kann Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. f4? { (0.77 → -0.44) Mistake. Best move was d4. } (2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bf5) 2... e6?! { (-0.44 → 0.34) Inaccuracy. Best move was d5. } (2... d5) 3. Nf3 Ne7? { (-0.15 → 1.22) Mistake. Best move was d5. } (3... d5) 4. d4 g6 5. d5? { (1.32 → -1.51) Mistake. Best move was e5. } (5. e5 d5) 5... exd5 6. exd5 Nxd5 7. Qxd5?? { (-1.05 → -9.77) Blunder. Best move was c4. } (7. c4) 7... cxd5 8. Nc3 Bb4?! { (-9.80 → -9.23) Inaccuracy. Best move was Bg7. } (8... Bg7 9. Bd2) 9. a3?! { (-9.23 → -10.43) Inaccuracy. Best move was Bd2. } (9. Bd2 Qe7+) 9... Bxc3+ 10. bxc3 O-O 11. Bd2 Re8+ 12. Be3 Qb6 13. Ne5 Qxe3+ 14. Kd1 d6 15. Nd7?! { (-21.67 → Mate in 1) Checkmate is now unavoidable. Best move was h3. } (15. h3) 15... Bxd7?! { (Mate in 1 → Mate in 8) Not the best checkmate sequence. Best move was Qe1#. } (15... Qe1#) 16. g3 Bg4+?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Qe1#. } (16... Qe1#) 17. Be2 Bxe2+ 18. Ke1 Bf3+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Bg4+. } (18... Bg4+ 19. Kf1 Bh3#) 19. Kf1 Qe2+ 20. Kg1 Qg2# { Black wins by checkmate. } 0-1