[Event "Masthanaiah chess world 1978"] [Site "https://lichess.org/YjJon48t"] [Date "2021.05.18"] [White "Amrutha1"] [Black "harshavartha"] [Result "0-1"] [UTCDate "2021.05.18"] [UTCTime "14:20:49"] [WhiteElo "1450"] [BlackElo "1844"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "1500+5"] [ECO "B50"] [Opening "Sicilian Defense: Modern Variations"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 { B50 Sicilian Defense: Modern Variations } 3. Bc4 Nf6 4. d3 e5?? { (0.00 → 2.05) Blunder. g6 was best. } (4... g6 5. Nc3 a6 6. Nd5 Nbd7 7. a4 e6 8. Nxf6+ Nxf6 9. O-O) 5. Ng5 d5 6. exd5 Nxd5?? { (2.03 → 5.53) Blunder. h6 was best. } (6... h6 7. Nf3 a6 8. O-O b5 9. Bb3 Bd6 10. c4 Nbd7 11. Nc3) 7. Nc3 Nxc3 8. bxc3 Be6 9. Nxe6 fxe6 10. Bxe6 Qf6 11. Bc4?! { (6.30 → 4.28) Inaccuracy. Qg4 was best. } (11. Qg4 Qg6) 11... Nc6 12. Qe2 Be7 13. h4 O-O-O 14. Bg5 Qf8 15. Bxe7 Qxe7 16. O-O? { (2.38 → 0.70) Mistake. g3 was best. } (16. g3 e4) 16... Qxh4 17. f3 Qe7 18. f4?! { (1.21 → 0.47) Inaccuracy. Bb5 was best. } (18. Bb5 Rd6 19. Rae1 Re8 20. f4 Qh4 21. Qe3 Rh6 22. Bxc6 bxc6 23. Rf3 Qh1+ 24. Kf2 Qh2) 18... h5? { (0.47 → 1.99) Mistake. exf4 was best. } (18... exf4 19. Qxe7) 19. f5?! { (1.99 → 1.16) Inaccuracy. Rae1 was best. } (19. Rae1 Rde8) 19... h4 20. Kh2 Qd6 21. Qg4?! { (1.28 → 0.24) Inaccuracy. Qe4 was best. } (21. Qe4 Kc7) 21... Kb8?! { (0.24 → 1.34) Inaccuracy. e4+ was best. } (21... e4+ 22. Kg1) 22. Kh3 e4 23. Qxe4?? { (0.83 → Mate in 1) Checkmate is now unavoidable. Qxg7 was best. } (23. Qxg7 Ne5) 23... Qg3# { Black wins by checkmate. } 0-1