lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/3Y1VPoJc"] [Date "2022.03.18"] [Round "-"] [White "SofiaStangu"] [Black "ABCDEFGH123456"] [Result "0-1"] [UTCDate "2022.03.18"] [UTCTime "17:34:11"] [WhiteElo "1615"] [BlackElo "1988"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "300+2"] [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 → -3.36) Blunder. Best move was Ne2. } (5. Ne2 d6 6. Nbc3 Bg7 7. d3 Nb4 8. Bb3 Be6 9. Bg5 Bxb3) 5... Nxd4 6. Qg3?? { (-3.23 → -6.88) Blunder. Best move was Qd1. } (6. Qd1) 6... Nxc2+ 7. Ke2 Nxa1 8. Qf3? { (-6.60 → -9.14) Mistake. Best move was Qxe5+. } (8. Qxe5+) 8... d6? { (-9.14 → -8.05) Mistake. Best move was Nc2. } (8... Nc2 9. Kf1 Nd4 10. Qg3 d6 11. Nc3 c6 12. h3 b5 13. Bd3 b4 14. Nce2 Ne6 15. Nf3) 9. Bg5 Be7 10. Nh3? { (-7.82 → -17.44) Mistake. Best move was Bxf6. } (10. Bxf6 Bxf6 11. Qc3 c6 12. Nd2 d5 13. Bd3 Bg7 14. Ngf3 dxe4 15. Nxe4 f5 16. Rxa1 fxe4) 10... Bg4 11. Qxg4 Nxg4 12. f3 Bxg5 13. Nxg5 Qxg5 14. fxg4 Qxg4+ 15. Kd2 Qxg2+ 16. Ke1 Qxh1+ 17. Ke2 Qxb1 18. Bd3?! { (-36.86 → Mate in 12) Checkmate is now unavoidable. Best move was Bd5. } (18. Bd5 Qxb2+) 18... Qxb2+ 19. Ke3 Qd4+?! { (Mate in 9 → -85.04) Lost forced checkmate sequence. Best move was Nc2+. } (19... Nc2+ 20. Ke2 Nd4+ 21. Kd1 Qc3 22. Bb1 Qe3 23. h4 Qg1+ 24. Kd2 Qxb1 25. Kc3 Qc2+ 26. Kb4) 20. Kf3?! { (-85.04 → Mate in 6) Checkmate is now unavoidable. Best move was Ke2. } (20. Ke2 Qb2+) 20... O-O 21. Be2 f5 22. exf5 Rxf5+ 23. Kg3 Qf4+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qf2+. } (23... Qf2+ 24. Kh3 Qxe2 25. a3 Qf3+ 26. Kh4 g5#) 24. Kh3 Qf2?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qe3+. } { White resigns. } (24... Qe3+ 25. Kh4 Qxe2 26. Kh3 Qf3+ 27. Kh4 g5#) 0-1