lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/WiM7R8eh"] [Date "2022.03.25"] [Round "-"] [White "SofiaStangu"] [Black "FFFFFFF"] [Result "0-1"] [UTCDate "2022.03.25"] [UTCTime "17:50:49"] [WhiteElo "1622"] [BlackElo "1854"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "300+0"] [ECO "C23"] [Opening "Bishop's Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 { C23 Bishop's Opening } Nc6?! { (-0.16 → 0.46) Inaccuracy. Best move was Nf6. } (2... Nf6 3. Nc3 Bc5 4. Nf3 d6 5. d3 c6 6. O-O O-O 7. a4) 3. Qh5?! { (0.46 → -0.44) Inaccuracy. Best move was Nf3. } (3. Nf3 Nf6 4. d3 Bc5 5. O-O O-O 6. c3 Bb6 7. b4 a6) 3... g6 4. Qf3 Nf6 5. d4?? { (-0.17 → -3.98) Blunder. Best move was Ne2. } (5. Ne2 d6 6. Nbc3 Bg7 7. d3 Nb4 8. Bb3 Be6 9. Bg5 Bxb3) 5... Nxd4 6. Qg3?? { (-3.46 → -7.37) Blunder. Best move was Qd1. } (6. Qd1 Nxe4 7. Nf3 d5 8. Be2 Nxe2 9. Qxe2 Bg7 10. c4 O-O 11. cxd5 Nf6 12. Nc3 e4) 6... d6?? { (-7.37 → -2.38) Blunder. Best move was Nxc2+. } (6... Nxc2+ 7. Kf1) 7. c3?? { (-2.38 → -7.64) Blunder. Best move was Bd3. } (7. Bd3) 7... Nc2+ 8. Ke2 Nxa1 9. Bg5 h6?! { (-7.17 → -6.45) Inaccuracy. Best move was Nxe4. } (9... Nxe4 10. Bxd8) 10. Bxf6 Qxf6 11. Nh3 Bxh3? { (-6.65 → -4.50) Mistake. Best move was g5. } (11... g5) 12. gxh3?! { (-4.50 → -5.28) Inaccuracy. Best move was Qxh3. } (12. Qxh3 d5) 12... Bg7? { (-5.28 → -4.25) Mistake. Best move was d5. } (12... d5 13. exd5) 13. Bb3?? { (-4.25 → -8.80) Blunder. Best move was Na3. } (13. Na3) 13... Nxb3 14. Na3? { (-8.68 → -13.91) Mistake. Best move was axb3. } (14. axb3 d5) 14... Nc5 15. Nc4 O-O-O 16. Qg4+ Kb8 17. Rd1 h5 18. Qg3 Nxe4 19. Qd3?! { (-14.76 → Mate in 1) Checkmate is now unavoidable. Best move was Qf3. } (19. Qf3 Ng5 20. Qxf6 Bxf6 21. h4 Nh3 22. Kf1 Bxh4 23. f3 Be7 24. a4 c6 25. b4 Nf4) 19... Qxf2# { Black wins by checkmate. } 0-1