[Event "Olympiad-27"]
[Site "Dubai"]
[Date "1986.11.18"]
[Round "4"]
[White "Powell, John"]
[Black "Thorne, P"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. h3 Bh5 8. a3 Bd6 9. e4 e5 10. d5 O-O 11. b4 h6 12. g4 Bg6 13. Bd3 a5 14. Rb1 axb4 15. axb4 Qe7 16. Qb3 Rfc8 17. Nh4 Nh7 18. Nf5 Bxf5 19. gxf5 Qh4 20. Bf1 Ng5 21. Bg2 c5 22. dxc6 Rxc6 23. Bxg5 Qxg5 24. O-O Nf6 25. Rbd1 Rac8 26. Rd3 Bb8 27. Rfd1 Ba7 28. b5 R6c7 29. Rd8+ Kh7 30. Rxc8 Rxc8 31. Kf1 Bb6 32. Nd5 Nxd5 33. Qxd5 Qe7 34. Qd7 Qxd7 35. Rxd7 Rc7 1/2-1/2