[Event "Interzonal-13c"]
[Site "Biel"]
[Date "1985.07.11"]
[Round "7"]
[White "Petursson, Margeir"]
[Black "Short, Nigel D"]
[Result "0-1"]
[WhiteElo "2550"]
[BlackElo "2575"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 exd5 7. Bg5 Be7 8. Qa4+ c6 9. e3 O-O 10. Bd3 Nbd7 11. O-O Re8 12. Rad1 h6 13. Bf4 Bf8 14. Rfe1 Nh5 15. Be5 Nxe5 16. Nxe5 b5 17. Qc2 Nf6 18. e4 b4 19. axb4 Bxb4 20. exd5 cxd5 21. Re3 Re7 22. Ne2 Rc7 23. Qb3 a5 24. Ng3 Bc8 25. Bb1 Be6 26. Nf5 Ne4 27. Ng3 Rac8 28. Ne2 Nd2 29. Qd3 Nxb1 30. Qxb1 Qg5 31. Nd3 Bf5 32. Qa2 Bxd3 33. Rexd3 Rc2 34. Re3 Qf5 35. Qb3 Bd6 36. Qb5 Kh7 37. g3 Rb8 38. Qxa5 Rbxb2 39. Qa6 Bc7 40. Kf1 Qh3+ 41. Kg1 Rd2 42. Rf1 Qg4 43. Nc1 Qxd4 44. Rf3 Bb6 45. Nd3 Ra2 46. Qb5 Ba7 47. Qd7 Qe4 48. Rxf7 Bd4 49. Rf8 Rxd3 50. Qc8 Rf3 0-1