[Event "Interzonal-13c"]
[Site "Biel"]
[Date "1985.07.06"]
[Round "4"]
[White "Quinteros, Miguel Angel"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[WhiteElo "2525"]
[BlackElo "2590"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. Qc2 c5 7. cxd5 exd5 8. e3 Nc6 9. dxc5 h6 10. Bxf6 Bxf6 11. O-O-O Be6 12. Bc4 Nb4 13. Qb3 Bxc3 14. bxc3 Na6 15. Bxd5 Nxc5 16. Qb4 Qc7 17. Kb1 Bxd5 18. Rxd5 Rac8 19. Rhd1 Rfe8 20. R1d4 b5 21. Ka1 a6 22. g3 Ne4 23. c4 bxc4 24. Nd2 Nf6 25. Rd6 c3 26. Rc4 Qe7 27. Rxc8 Rxc8 28. Nb3 a5 29. Qd4 a4 30. Nc1 Ne4 31. Rb6 Nxf2 32. Rb4 c2 33. Rxa4 Rd8 34. Qc3 Qd7 35. Rd4 Qc8 36. Rxd8+ Qxd8 37. Qxc2 Ng4 1/2-1/2