[Event "Hoogovens"] [Site "Wijk aan Zee NED"] [Date "1983.01.23"] [Round "8"] [White "Viktor Korchnoi"] [Black "Ulf Andersson"] [Result "0-1"] [WhiteElo "2600"] [BlackElo "2630"] [Variant "Standard"] [TimeControl "-"] [ECO "E11"] [Opening "Bogo-Indian Defense: Grünfeld Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 { E11 Bogo-Indian Defense: Grünfeld Variation } b6 5. a3 Bxd2+ 6. Bxd2 Bb7 7. Bg5 h6 8. Bh4 d6 9. e3 Nbd7 10. Bd3?! { (0.32 → -0.28) Inaccuracy. Nd2 was best. } (10. Nd2 O-O 11. f3 c5 12. Bd3 cxd4 13. exd4 e5 14. O-O exd4 15. Ne4 Bxe4 16. Bxe4 Rc8) 10... Qe7 11. b4 a5 12. O-O axb4 13. axb4 O-O 14. Qe2 c5 15. e4 e5 16. bxc5 bxc5 17. d5 Rfb8 18. Rfb1 Rxa1 19. Rxa1 Bc8 20. Ra7 Qd8 21. Qa2 Nf8 22. Ra8 Rxa8 23. Qxa8 g5 24. Bg3 Qc7 25. h4 N6h7 26. hxg5 hxg5 27. Ne1 Bd7 28. Nc2 Qb6 29. Ne3 Nf6 30. Kh2 Kg7 31. Bc2 Ng4+ 32. Nxg4 Bxg4 33. Qe8 Qc7 34. Ba4?! { (0.38 → -0.20) Inaccuracy. f3 was best. } (34. f3) 34... Nh7 35. f3 Nf6 36. Qa8 Bd7 37. Bc6 Qc8 38. Qa4 Kf8 39. Be1 Ke7 40. Qa7 Ne8?? { (0.00 → 6.75) Blunder. Qh8+ was best. } (40... Qh8+ 41. Kg1 g4 42. Qc7 gxf3 43. gxf3 Qh3 44. Kf2 Qh2+ 45. Ke3 Qf4+ 46. Ke2 Qh2+ 47. Bf2) 41. Ba5?? { (6.75 → 0.86) Blunder. Bb7 was best. } (41. Bb7) 41... Nf6 42. g4?! { (1.06 → 0.21) Inaccuracy. Bd2 was best. } (42. Bd2 Nh7 43. Kg3 f6 44. Kf2 Qd8 45. Bc3 Qc8 46. Be1 Nf8 47. Ba5 Qe8 48. Qc7 Ng6) 42... Kf8 43. Bb7 Qe8 44. Qb6 Qb8 45. Bd2 Nh7 46. Kg3 f6 47. Ba5 Ke7 48. Qa6 Nf8 49. Qa8?? { (0.00 → -2.12) Blunder. Kf2 was best. } (49. Kf2 Ng6 50. Qb6 Nf4 51. Ke3 Qh8 52. Bc6 Qh2 53. Qd8+ Kf7 54. Qxd7+ Kg6 55. Qe8+ Kg7) 49... Qxa8 50. Bxa8 Ba4 51. Bc6 Bd1 52. Bd2 Ng6 53. Be3?! { (-2.16 → -2.97) Inaccuracy. Kf2 was best. } (53. Kf2 Nh4 54. Bc1 Bxf3 55. Ba4 Bxe4 56. Bd1 Ng6 57. Bd2 Nf4 58. Be2 Bc2 59. Ke1 Nd3+) 53... Nh4 54. f4?? { (-2.72 → -6.00) Blunder. Bc1 was best. } (54. Bc1 Bxf3) 54... exf4+ 55. Bxf4 gxf4+ 56. Kxh4 Bc2 57. Kh3 Bxe4 58. Ba4 Kf7 59. Bd1 Bd3 { White resigns. } 0-1