[Event "Masthanaiah chess world 1978"] [Site "https://lichess.org/IGGDiMwK"] [Date "2021.10.06"] [White "Wilsonia"] [Black "EstoesNuevo"] [Result "0-1"] [UTCDate "2021.10.06"] [UTCTime "15:41:46"] [WhiteElo "2220"] [BlackElo "2001"] [WhiteRatingDiff "-16"] [BlackRatingDiff "+51"] [Variant "Standard"] [TimeControl "1500+10"] [ECO "B30"] [Opening "Sicilian Defense: Nyezhmetdinov-Rossolimo Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 3. Bb5 { B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack } d6 4. O-O Bd7 5. c3 a6 6. Ba4 Nf6 7. Re1 b5 8. Bc2 e5 9. d4 Bg4?! { (0.31 → 1.18) Inaccuracy. cxd4 was best. } (9... cxd4) 10. d5 Ne7 11. h3 Bxf3?! { (1.04 → 1.81) Inaccuracy. Bd7 was best. } (11... Bd7) 12. Qxf3 Ng6 13. a4 Rb8? { (1.71 → 3.50) Mistake. Be7 was best. } (13... Be7 14. g3 h5 15. h4 O-O 16. Nd2 Qc7 17. Nf1 Rfb8 18. b3 Nf8 19. Qe2 N8d7 20. axb5) 14. Na3 b4 15. cxb4 Rxb4?! { (3.14 → 4.63) Inaccuracy. cxb4 was best. } (15... cxb4 16. Nc4) 16. b3?! { (4.63 → 3.66) Inaccuracy. Qe2 was best. } (16. Qe2 Be7) 16... Be7 17. Nc4 h5 18. Bd2 Rb8?! { (3.85 → 5.27) Inaccuracy. Nd7 was best. } (18... Nd7) 19. Na5 Qd7 20. Nc6 Ra8 21. b4 cxb4 22. Bxb4 h4 23. a5 Nh5 24. Ba4 Kf8 25. Rec1 Kg8 26. Qf5 Qb7 27. Rab1 Nhf4 28. Bxd6 Qxb1 29. Rxb1 Bxd6 30. Rb7 Rf8 31. Rd7 Bc5 32. Nxe5?? { (7.31 → -1.29) Blunder. Bd1 was best. } (32. Bd1) 32... Rh5 33. Qxh5? { (-1.33 → -2.85) Mistake. Qxf7+ was best. } (33. Qxf7+ Rxf7) 33... Nxh5 34. Nd3 Bd4 35. Rd6 Rb8 36. Rxa6?? { (-3.63 → Mate in 9) Checkmate is now unavoidable. Bc2 was best. } (36. Bc2 Nhf4) 36... Rb1+ 37. Kh2 Nhf4?? { (Mate in 8 → -2.21) Lost forced checkmate sequence. Ng3 was best. } (37... Ng3 38. Bd1 Rxd1 39. Ra8+ Kh7 40. Rh8+ Nxh8 41. fxg3 Bg1+ 42. Kh1 Bf2+ 43. Ne1 Rxe1+ 44. Kh2) 38. Bc2 Rf1? { (-2.30 → -0.63) Mistake. Rb8 was best. } (38... Rb8 39. Nxf4) 39. Ra8+?? { (-0.63 → -6.39) Blunder. d6 was best. } (39. d6 Ne5 40. Nxf4 Rxf2 41. Bd3 Rxf4 42. Bb5 Rf6 43. Ra8+ Kh7 44. d7 Nxd7 45. Bxd7 Rf1) 39... Kh7 40. Nxf4 Nxf4 41. e5+ g6 42. g3? { (-9.39 → Mate in 5) Checkmate is now unavoidable. Bxg6+ was best. } (42. Bxg6+ Nxg6) 42... Rxf2+ 43. Kh1 hxg3 44. Be4 Rh2# { Black wins by checkmate. } 0-1