lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/bXwwiXWH"] [Date "2020.12.10"] [Round "-"] [White "Ops_MS"] [Black "Victor"] [Result "1-0"] [UTCDate "2020.12.10"] [UTCTime "17:22:01"] [WhiteElo "1787"] [BlackElo "1305"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-1"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 e6 { A40 Horwitz Defense } 2. Nc3?! { (0.38 → -0.29) Inaccuracy. Best move was e4. } (2. e4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. O-O c4) 2... Qh4? { (-0.29 → 1.70) Mistake. Best move was d5. } (2... d5) 3. Nf3?! { (1.70 → 1.16) Inaccuracy. Best move was e4. } (3. e4) 3... Qg5?? { (1.16 → 13.83) Blunder. Best move was Qd8. } (3... Qd8 4. e4 d6 5. Bd3 Nf6 6. O-O Be7 7. Bf4 Nc6 8. Bg3 O-O 9. a3 a6 10. d5) 4. Nxg5 h6 5. Nf3 g5 6. e4 g4 7. Ne5 h5 8. Bf4 d6 9. Nd3 e5 10. Bg3 f6 11. dxe5 dxe5 12. f3 Bf5 13. exf5 Nh6 14. Nc5 Bxc5 15. Bb5+ c6 16. Bc4 Nxf5 17. Ne4 h4 18. Nxf6+ Ke7 19. Bxe5 g3 20. Nd5+ cxd5 21. Qxd5 Bb4+?! { (27.65 → Mate in 10) Checkmate is now unavoidable. Best move was Bf2+. } (21... Bf2+ 22. Ke2) 22. c3 Ba5?! { (22.88 → Mate in 4) Checkmate is now unavoidable. Best move was Nd6. } (22... Nd6 23. Bxd6+) 23. Qe6+ Kd8 24. O-O-O+ Nd6 25. Rxd6+ Nd7 26. Qxd7# { White wins by checkmate. } 1-0