lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/H52uyEI9"] [Date "2020.12.27"] [Round "-"] [White "GrigoreG"] [Black "GabrielCONDUR"] [Result "0-1"] [UTCDate "2020.12.27"] [UTCTime "17:45:42"] [WhiteElo "1610"] [BlackElo "2134"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 e6 { A40 Horwitz Defense } 2. e3 Nf6 3. f3? { (0.42 → -0.91) Mistake. Best move was Nf3. } (3. Nf3 d5 4. Bd3 c5 5. O-O Nc6 6. b3 cxd4 7. exd4 Be7) 3... d5 4. e4?! { (-0.44 → -1.33) Inaccuracy. Best move was f4. } (4. f4 c5 5. Nf3 Bd6 6. Bd3 O-O 7. c3 b6 8. Nbd2 Bb7 9. Ne5 Nc6 10. O-O Ne7) 4... dxe4 5. Bg5? { (-0.82 → -2.01) Mistake. Best move was fxe4. } (5. fxe4) 5... c5 6. Bb5+? { (-1.58 → -2.83) Mistake. Best move was fxe4. } (6. fxe4) 6... Bd7 7. a4 cxd4?! { (-2.87 → -2.25) Inaccuracy. Best move was a6. } (7... a6) 8. Qxd4 Nc6?! { (-2.80 → -2.21) Inaccuracy. Best move was a6. } (8... a6 9. Bxd7+) 9. Bxc6 Bxc6 10. c3? { (-2.31 → -4.23) Mistake. Best move was Qxd8+. } (10. Qxd8+) 10... Qa5 11. Nd2?? { (-3.67 → -11.44) Blunder. Best move was Be3. } (11. Be3) 11... Qxg5 12. Nh3 Qxg2 13. Nf2 Rd8 14. Qxa7 Qg5 15. O-O-O Bc5 16. Qa5 b6 17. Qa7 Bxf2 18. Qc7 Bxa4 19. Kb1 Bxd1 20. Qc6+ Ke7 21. Rxd1 Rxd2 22. Qc7+?! { (-23.62 → Mate in 10) Checkmate is now unavoidable. Best move was Rc1. } (22. Rc1 Qf5) 22... Nd7 23. Kc1 Rxd1+ 24. Kxd1 Ra8 25. Ke2 Qe3+ 26. Kf1 Ra1+ 27. Kg2 Qxf3# { Black wins by checkmate. } 0-1