lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/lgQpiNtx"] [Date "2020.11.24"] [Round "-"] [White "TibiMat"] [Black "GrigoreG"] [Result "0-1"] [UTCDate "2020.11.24"] [UTCTime "17:24:41"] [WhiteElo "1418"] [BlackElo "1602"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "King's Pawn Game: Napoleon Attack"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Qf3?! { (0.30 → -0.59) Inaccuracy. Best move was Nf3. } { C20 King's Pawn Game: Napoleon Attack } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5) 2... Nf6 3. Bc4 b6? { (-0.70 → 0.48) Mistake. Best move was c6. } (3... c6 4. Nc3 d5 5. exd5 e4 6. Qe2 cxd5 7. Bxd5 Nxd5 8. Qb5+) 4. Nh3? { (0.48 → -0.72) Mistake. Best move was Nc3. } (4. Nc3 c6) 4... Bb7?! { (-0.72 → 0.09) Inaccuracy. Best move was Be7. } (4... Be7) 5. Ng5?! { (0.09 → -0.48) Inaccuracy. Best move was Nc3. } (5. Nc3) 5... d5 6. exd5?! { (-0.15 → -0.71) Inaccuracy. Best move was Bxd5. } (6. Bxd5) 6... Bxd5 7. Bb5+?? { (-0.24 → -5.66) Blunder. Best move was Bxd5. } (7. Bxd5 Qxd5 8. Nc3 Qxf3 9. Nxf3 Nc6 10. d3 O-O-O 11. a3 h6 12. Be3 Kb7 13. O-O-O Nd7) 7... c6 8. Bxc6+?? { (-5.30 → -8.56) Blunder. Best move was Qe2. } (8. Qe2 cxb5 9. O-O Nc6 10. d3 h6 11. Nf3 Bc5 12. Be3 O-O 13. Nc3 Re8 14. Nxd5 Qxd5) 8... Nxc6 9. Qc3? { (-8.51 → -11.30) Mistake. Best move was Qd1. } (9. Qd1 h6) 9... Bb4? { (-11.30 → -8.59) Mistake. Best move was Nd4. } (9... Nd4 10. Qg3 Nxc2+ 11. Kd1 Nxa1 12. Qxe5+ Be7 13. Nc3 Bxg2 14. Rg1 Bb7 15. Rg3 Qd6 16. Qb5+) 10. Qd3 O-O? { (-9.02 → -7.58) Mistake. Best move was h6. } (10... h6 11. Nc3 hxg5 12. Nxd5 Qxd5 13. Qxd5 Nxd5 14. c3 Be7 15. d3 O-O-O 16. Bd2 f6 17. Rd1) 11. a3?! { (-7.58 → -8.50) Inaccuracy. Best move was O-O. } (11. O-O e4) 11... e4 12. Qa6? { (-8.16 → -11.34) Mistake. Best move was Qh3. } (12. Qh3) 12... h6? { (-11.34 → -7.98) Mistake. Best move was Nd4. } (12... Nd4 13. axb4 Ng4 14. h4 Nxc2+ 15. Kf1 Rc8 16. Kg1 Bc4 17. Qa3 Nxa3 18. Rxa3 Qd4 19. Nh3) 13. Nh3? { (-7.98 → -11.66) Mistake. Best move was axb4. } (13. axb4) 13... Re8? { (-11.66 → -7.95) Mistake. Best move was Nd4. } (13... Nd4) 14. axb4? { (-7.95 → -9.32) Mistake. Best move was O-O. } (14. O-O Bd6) 14... Nxb4? { (-9.32 → -8.25) Mistake. Best move was Nd4. } (14... Nd4 15. Nc3 Nxc2+ 16. Kf1 Nxa1 17. Qxa1 Bc4+ 18. Ke1 a5 19. b5 Ng4 20. Qa4 Ne5 21. Kd1) 15. Qa3? { (-8.25 → -15.10) Mistake. Best move was Qa4. } (15. Qa4 Nd3+ 16. Kf1 Nxc1 17. Ke1 e3 18. fxe3 Bxg2 19. Rg1 Bxh3 20. Qh4 Bg4 21. Nc3 Qd4) 15... Nxc2+ 16. Kd1 Nxa3 17. Nxa3?! { (-14.17 → Mate in 9) Checkmate is now unavoidable. Best move was Rxa3. } (17. Rxa3 e3 18. Rg1 Bxg2 19. Rxg2 Qd5 20. fxe3 Qxg2 21. Nf4 Qh1+ 22. Kc2 Qxh2 23. Rc3 g5) 17... Bb3+ 18. Ke1 Qd3?! { (Mate in 7 → -13.90) Lost forced checkmate sequence. Best move was e3. } (18... e3 19. d3 Qxd3 20. Bxe3 Rxe3+ 21. fxe3 Ne4 22. g3 Qxe3+ 23. Kf1 Nd2+ 24. Kg2 Bd5#) 19. Nb1?! { (-13.90 → Mate in 4) Checkmate is now unavoidable. Best move was Nf4. } (19. Nf4) 19... e3 20. dxe3 Qd1# { Black wins by checkmate. } 0-1