[Event "Interzonal-13c"]
[Site "Biel"]
[Date "1985.07.20"]
[Round "13"]
[White "Jansa, Vlastimil"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[WhiteElo "2480"]
[BlackElo "2590"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 a6 5. exd5 exd5 6. dxc5 Bxc5 7. Nb3 Ba7 8. Bg5 Nf6 9. Qe2+ Be6 10. Nbd4 Qe7 11. O-O-O O-O 12. Nf5 Qd8 13. N3d4 Re8 14. Qf3 Nbd7 15. Bd3 Bxd4 16. Nxd4 Bg4 17. Qxg4 Nxg4 18. Bxd8 Raxd8 19. Rd2 Nc5 20. h3 Ne5 21. Rhd1 Nexd3+ 22. cxd3 Ne6 23. Nxe6 Rxe6 24. Rc2 h5 25. h4 Rd7 26. Rdd2 Kf8 27. Re2 Ke7 28. Kd2 Rxe2+ 29. Kxe2 Ke6 30. Ke3 Ke5 31. d4+ Kf5 32. Kf3 f6 33. Rc8 g6 34. Rc5 g5 35. hxg5 fxg5 36. Rc8 g4+ 37. Ke3 Re7+ 38. Kd3 h4 39. Rh8 Kg5 40. Rg8+ Kf5 41. Rh8 Kg5 1/2-1/2