lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/o4pkvJfC"] [Date "2020.12.28"] [Round "-"] [White "TibiMat"] [Black "GabrielCONDUR"] [Result "0-1"] [UTCDate "2020.12.28"] [UTCTime "18:00:24"] [WhiteElo "1490"] [BlackElo "2108"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B20"] [Opening "Sicilian Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c5 { B20 Sicilian Defense } 2. Qf3? { (0.53 → -0.96) Mistake. Best move was Ne2. } (2. Ne2 Nf6 3. Nbc3 d5 4. exd5 Nxd5 5. Nxd5 Qxd5 6. Nc3 Qe5+) 2... Nc6 3. Bc4?! { (-0.44 → -1.16) Inaccuracy. Best move was b3. } (3. b3 d5 4. Bb2 dxe4 5. Qxe4 Nf6 6. Qf4 e6 7. Bb5 Bd7 8. Nf3 a6 9. Bd3 Nb4) 3... Nf6 4. d3 e6 5. Bg5?! { (-0.76 → -1.61) Inaccuracy. Best move was Bb3. } (5. Bb3 d5) 5... Be7? { (-1.61 → -0.58) Mistake. Best move was Nd4. } (5... Nd4 6. Qd1) 6. Bxf6?! { (-0.58 → -1.37) Inaccuracy. Best move was Bb3. } (6. Bb3 Nd4 7. Qd1 d5 8. Bxf6 Bxf6 9. c3 Nc6 10. Nf3 d4 11. Qe2 Qc7 12. O-O O-O) 6... Bxf6 7. Na3?? { (-1.36 → -7.88) Blunder. Best move was c3. } (7. c3) 7... Bxb2 8. Rb1 Qa5+ 9. c3?! { (-7.40 → -8.18) Inaccuracy. Best move was Kf1. } (9. Kf1 Qxa3 10. d4 Nxd4 11. Qxa3 Bxa3 12. Bd3 b5 13. Ne2 Nxe2 14. Bxe2 b4 15. e5 a5) 9... Bxc3+ 10. Ke2? { (-7.83 → -16.87) Mistake. Best move was Kf1. } (10. Kf1 Qxa3 11. Qd1 Bb4 12. g3 a6 13. Bb3 b5 14. Qc1 Qxc1+ 15. Rxc1 a5 16. Bc2 Ba3) 10... Nd4+ 11. Kd1 Nxf3 12. gxf3 Be1 13. Rb2 Qxa3 14. Re2 Bb4 15. Nh3 Qc3 16. Bb3?! { (-20.55 → Mate in 7) Checkmate is now unavoidable. Best move was Rc2. } (16. Rc2 Qa1+) 16... Qxd3+ 17. Kc1 Qxe2 18. Nf4 Ba3+ 19. Kb1 Qb2# { Black wins by checkmate. } 0-1