[Event "Masthanaiah chess world 1978"] [Site "https://lichess.org/0gzVz9W7"] [Date "2021.07.14"] [White "ArielZamora"] [Black "chetan4"] [Result "0-1"] [UTCDate "2021.07.14"] [UTCTime "16:05:37"] [WhiteElo "2148"] [BlackElo "1772"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "900+10"] [ECO "C55"] [Opening "Italian Game: Two Knights Defense, Modern Bishop's Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 { C55 Italian Game: Two Knights Defense, Modern Bishop's Opening } h6 5. c3 Bc5 6. a4 a6 7. a5 d6 8. O-O O-O 9. Be3 Ba7 10. Nbd2 Be6 11. Bxe6 fxe6 12. Qb3 Qd7 13. Qxb7?? { (0.69 → -5.64) Blunder. Bxa7 was best. } (13. Bxa7 Rxa7 14. d4 exd4 15. Nxd4 d5 16. exd5 Nxd4 17. cxd4 exd5 18. Rfe1 Raa8 19. h3 Qb5) 13... Bxe3 14. fxe3 Rfb8 15. Qxa8 Rxa8 16. b4 d5 17. Nh4 dxe4 18. d4 exd4 19. exd4 g5? { (-7.38 → -4.13) Mistake. Nxd4 was best. } (19... Nxd4 20. cxd4 Qxd4+ 21. Kh1 Qxd2 22. Ng6 Qxb4 23. Rac1 Qxa5 24. Ne7+ Kf8 25. Nc6 Qb5 26. Nd4) 20. Ng6?! { (-4.13 → -6.46) Inaccuracy. Rxf6 was best. } (20. Rxf6 gxh4) 20... Kg7 21. b5 axb5 22. Ne5 Nxe5 23. dxe5 Qxd2 24. exf6+ Kg6 25. f7 Rf8 26. a6 Qe3+ 27. Kh1 Qa7 28. h4 Rxf7 29. h5+ Kg7 30. c4 Rxf1+ 31. Rxf1 Qxa6 32. c5 Qc6 33. Rc1 b4 34. Kh2 b3 35. Kh3?! { (-27.94 → Mate in 22) Checkmate is now unavoidable. Rb1 was best. } (35. Rb1 Qd5) 35... b2 36. Rb1 Qxc5 37. Kg4 Qc2 38. Rg1 b1=Q 39. Rxb1 Qxb1 40. g3 e3 41. Kf3 Qd3 42. Kg4 e2 43. Kh3 e1=Q 44. Kh2 Qdxg3# { Black wins by checkmate. } 0-1