[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.11.18"]
[Round "4"]
[White "Christiansen, Larry Mark"]
[Black "Nunn, John DM"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2435"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nbd7 7. Nh3 e5 8. d5 Nh5 9. g4 Nf4 10. Nxf4 exf4 11. Bxf4 Ne5 12. Be2 f5 13. gxf5 gxf5 14. Qd2 Qh4+ 15. Bg3 Qh5 16. f4 Nf3+ 17. Bxf3 Qxf3 18. Rf1 Bxc3 19. Rxf3 Bxd2+ 20. Kxd2 fxe4 21. Rb3 b6 22. Rg1 Kf7 23. Be1 Bd7 24. Rbg3 Rg8 25. Rxg8 Rxg8 26. Rxg8 Kxg8 27. Ke3 Kf7 28. Kxe4 Bh3 29. Bh4 Ke8 30. f5 Bg2+ 31. Kd4 a5 32. Be1 Bh3 33. f6 Bf5 34. Kc3 Kf7 35. Bh4 Bd7 36. b3 h6 37. a3 Be8 38. Kd4 Bd7 39. b4 axb4 40. axb4 Bg4 41. c5 bxc5+ 42. bxc5 dxc5+ 43. Kxc5 Bh5 44. Kd4 Ke8 45. Bg3 Kd7 46. Bf4 Bg6 47. Ke5 h5 48. h4 Bf7 49. Bd2 Bg8 1/2-1/2