[Event "Interzonal-13c"]
[Site "Biel"]
[Date "1985.07.18"]
[Round "11"]
[White "Andersson, Ulf"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[WhiteElo "2590"]
[BlackElo "2600"]

1. Nf3 Nf6 2. c4 b6 3. g3 c5 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. Nc3 Na6 9. d4 d5 10. Ne5 e6 11. e3 Qe7 12. Qe2 dxc4 13. bxc4 Rac8 14. a4 Bxg2 15. Kxg2 Nb4 16. a5 Qb7+ 17. Kg1 Ne4 18. axb6 Nxc3 19. Bxc3 axb6 20. Nf3 Nc6 21. Ra3 Rfd8 22. dxc5 Bxc3 23. Rxc3 bxc5 24. h4 1/2-1/2