[Event "It (a)"] [Site "Wijk aan Zee (Netherlands)"] [Date "1983.??.??"] [Round "?"] [White "Viktor Korchnoi"] [Black "Ulf Andersson"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "E11"] [Opening "Bogo-Indian Defense: Grünfeld Variation"] [Termination "Unknown"] [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 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 Nh7 35. f3 Nf6 36. Qa8 Bd7 37. Bc6 Qc8 38. Qa4 Kf8 39. Be1 Ke7 40. Qa7 Ne8 41. Ba5 Nf6 42. g4 Kf8 43. Bb7 Qe8 44. Qb6 Qb8 45. Bd2 Nh7 46. Kg3 f6 47. Ba5 Ke7 48. Qa6 Nf8 49. Qa8 Qxa8 50. Bxa8 Ba4 51. Bc6 Bd1 52. Bd2 Ng6 53. Be3 Nh4 54. f4 exf4+ 55. Bxf4 gxf4+ 56. Kxh4 Bc2 57. Kh3 Bxe4 58. Ba4 Kf7 59. Bd1 Bd3 { Black wins. } 0-1