lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/HsNM5MLV"] [Date "2020.10.29"] [Round "-"] [White "Maria20514"] [Black "CornelCoslet"] [Result "0-1"] [UTCDate "2020.10.29"] [UTCTime "17:14:33"] [WhiteElo "1075"] [BlackElo "1368"] [WhiteRatingDiff "-21"] [BlackRatingDiff "+13"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C21"] [Opening "Center Game #2"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. d4?! { (0.30 → -0.38) Inaccuracy. Best move was Nf3. } { C21 Center Game #2 } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5) 2... Qh4? { (-0.38 → 1.53) Mistake. Best move was exd4. } (2... exd4 3. Nf3 Bb4+ 4. Nbd2 Nc6 5. a3 Bxd2+ 6. Qxd2 Nf6 7. e5) 3. g3?? { (1.53 → -6.50) Blunder. Best move was Bd3. } (3. Bd3 exd4) 3... Qxe4+ 4. Be2? { (-6.41 → -8.59) Mistake. Best move was Qe2. } (4. Qe2 Qxh1) 4... Qxh1 5. c3? { (-8.25 → -13.07) Mistake. Best move was Kf1. } (5. Kf1) 5... Qxg1+ 6. Bf1 Qxh2 7. Ke2 b6 8. Qa4 b5 9. Qxb5 a6 10. Qd5 Ra7 11. Qxe5+ Be7 12. Bg5 d6 13. Qf5 Bxf5 14. Bxe7 Nxe7 15. Bh3 Qxh3 16. c4?! { (-36.53 → Mate in 12) Checkmate is now unavoidable. Best move was Nd2. } (16. Nd2 Qh5+) 16... Rb7 17. c5?! { (-42.27 → Mate in 6) Checkmate is now unavoidable. Best move was b4. } (17. b4 Qg4+ 18. f3 Qxd4 19. Ke1 Qxa1 20. g4 Bxb1 21. b5 Bxa2+ 22. Kf2 Bxc4 23. Kg2 axb5) 17... Rxb2+ 18. Ke3 Nd5+ 19. Kf3 Bg4+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qh1#. } (19... Qh1#) 20. Ke4 Nf6+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qh1+. } (20... Qh1+ 21. Kd3 Be2#) 21. Kf4 Rxf2+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qh6#. } (21... Qh6#) 22. Ke3 Qxg3# { Black wins by checkmate. } 0-1