[Event "Interzonal-13c"]
[Site "Biel"]
[Date "1985.07.06"]
[Round "4"]
[White "Petursson, Margeir"]
[Black "Gutman, Lev"]
[Result "1-0"]
[WhiteElo "2550"]
[BlackElo "2485"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 a6 9. Be2 Qa5 10. O-O Qxa2 11. Bg5 Qa5 12. d5 h6 13. Be3 Nd7 14. c4 Qc7 15. Nd2 g5 16. Kh1 Nf8 17. f4 Ng6 18. g3 Bh3 19. Rf2 gxf4 20. gxf4 Rg8 21. Rf3 Bg4 22. Rg3 h5 23. Bxg4 hxg4 24. Qxg4 Rh8 25. e5 Rh4 26. Qf5 Rh6 27. Nf3 Bf8 28. e6 fxe6 29. dxe6 Qc6 30. Rd1 Nh8 31. Qxc5 Qxc5 32. Bxc5 Rxe6 33. Rg8 Nf7 34. Ng5 Rc6 35. Nh7 1-0