[Event "Masthanaiah chess world 1978"] [Site "https://lichess.org/kcQaduNi"] [Date "2021.10.12"] [White "Arjunisbest"] [Black "kulgo"] [Result "0-1"] [UTCDate "2021.10.12"] [UTCTime "09:12:29"] [WhiteElo "1493"] [BlackElo "1656"] [Variant "Standard"] [TimeControl "1500+10"] [ECO "B50"] [Opening "Sicilian Defense: Modern Variations"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 { B50 Sicilian Defense: Modern Variations } 3. Nc3 e5 4. Bb5+ Nc6 5. O-O g6 6. d3 Bg7 7. Bg5 f6 8. Be3 Ne7 9. Qe2?! { (0.29 → -0.40) Inaccuracy. Bc4 was best. } (9. Bc4 Na5) 9... Be6 10. Nh4?! { (-0.03 → -0.92) Inaccuracy. Bc4 was best. } (10. Bc4) 10... O-O 11. Nf3?! { (-0.83 → -1.83) Inaccuracy. Bc4 was best. } (11. Bc4 Bf7 12. Nf3 h6 13. Nd2 b6 14. a3 f5 15. f3 d5 16. Nxd5 Bxd5 17. exd5 Nxd5) 11... a6? { (-1.83 → -0.24) Mistake. Nd4 was best. } (11... Nd4 12. Bxd4) 12. Bxc6? { (-0.24 → -1.36) Mistake. Bc4 was best. } (12. Bc4 Bf7 13. a4 h6 14. Nd2 f5 15. Bxf7+ Rxf7 16. exf5 gxf5 17. f4 exf4 18. Bxf4 Ng6) 12... bxc6 13. Nd2 f5 14. exf5 gxf5 15. Bg5?! { (-0.46 → -1.54) Inaccuracy. f4 was best. } (15. f4) 15... h6?! { (-1.54 → -0.92) Inaccuracy. f4 was best. } (15... f4 16. Kh1 Qe8 17. Bxe7 Qxe7 18. f3 Rf6 19. Rg1 d5 20. Qf2 Rh6 21. Nb3 Kh8 22. g3) 16. Be3?? { (-0.92 → -4.82) Blunder. Bxe7 was best. } (16. Bxe7 Qxe7 17. f4 Rab8 18. Rab1 exf4 19. Nf3 Kh7 20. Rfe1 Rfe8 21. Qd2 Qd7 22. b3 Be5) 16... Kh7?? { (-4.82 → -1.29) Blunder. f4 was best. } (16... f4 17. Nce4) 17. f4 Nd5? { (-1.14 → 0.13) Mistake. Ng6 was best. } (17... Ng6 18. Nf3) 18. Nxd5 cxd5 19. fxe5 dxe5 20. Qh5?? { (0.22 → -2.00) Blunder. Bxc5 was best. } (20. Bxc5) 20... d4 21. Bf2 Rb8 22. b3 Bd5 23. Bh4 Qa5?? { (-1.23 → 0.78) Blunder. Qd7 was best. } (23... Qd7) 24. Nf3? { (0.78 → -0.82) Mistake. Nc4 was best. } (24. Nc4 Bxc4) 24... Bxf3?? { (-0.82 → 1.27) Blunder. Qc7 was best. } (24... Qc7 25. Rae1) 25. Rxf3 Qd2?? { (1.02 → 5.23) Blunder. f4 was best. } (25... f4 26. Be7 Rfe8 27. Qf5+ Kg8 28. Bf6 Bxf6 29. Qxf6 Qb6 30. Qf5 Re6 31. Re1 Rf8 32. Qe4) 26. c4?? { (5.23 → -4.11) Blunder. Be7 was best. } (26. Be7 f4 27. Bxf8 Rxf8 28. Rf2 Qe3 29. Rf1 e4 30. Kh1 exd3 31. cxd3 Qxd3 32. Qxc5 Qb5) 26... dxc3 27. Rg3 Rb6?? { (-4.38 → 0.00) Blunder. Kg8 was best. } (27... Kg8) 28. b4?? { (0.00 → -8.68) Blunder. Be7 was best. } (28. Be7 c2 29. Bxf8 c1=R+ 30. Rxc1 Qxc1+ 31. Kf2 Qb2+ 32. Ke1 Qa1+ 33. Kf2 Qxa2+ 34. Ke1 Qa1+) 28... cxb4 29. Rf1 c2 30. Rgf3 c1=Q 31. Rxc1 Qxc1+ 32. Rf1 Qe3+?! { (-9.12 → -6.22) Inaccuracy. Qc7 was best. } (32... Qc7) 33. Bf2 Qxd3 34. Bxb6 e4 35. Bc5?! { (-5.23 → -7.21) Inaccuracy. Rd1 was best. } (35. Rd1 Qc2) 35... Bd4+?! { (-7.21 → -5.00) Inaccuracy. Qc4 was best. } (35... Qc4) 36. Bxd4 Qxd4+ 37. Kh1 Qd3? { (-5.15 → -3.23) Mistake. Qc4 was best. } (37... Qc4) 38. Rc1 Qd7 39. Rf1? { (-3.29 → -5.48) Mistake. h3 was best. } (39. h3 a5 40. Qe2 Rf6 41. Qe3 Rd6 42. Qg3 Rd1+ 43. Rxd1 Qxd1+ 44. Kh2 Qd5 45. Qc7+ Kg6) 39... e3 40. g4?? { (-5.00 → Mate in 8) Checkmate is now unavoidable. Qf3 was best. } (40. Qf3 Re8) 40... e2 41. Rg1 Qd5+ 42. Rg2 e1=Q# { Black wins by checkmate. } 0-1