[Event "Interzonal-13b"]
[Site "Taxco"]
[Date "1985.06.11"]
[Round "1"]
[White "Nogueiras Santiago, Jesus"]
[Black "Speelman, Jonathan S"]
[Result "1/2-1/2"]
[WhiteElo "2545"]
[BlackElo "2530"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 7. cxd5 exd5 8. Bd3 c5 9. Ne5 Bb7 10. O-O Nbd7 11. Qf3 a6 12. Rfd1 Re8 13. Rac1 Ra7 14. g4 g6 15. Be2 b5 16. Qh3 b4 17. Na4 Nxe5 18. dxe5 Nd7 19. Bf3 Qa5 20. b3 c4 21. Qg2 Nb6 22. Nxb6 Qxb6 23. bxc4 dxc4 24. Bxb7 Rxb7 25. Rxc4 Qe6 26. Rdc1 Rd7 27. h3 a5 28. Qc6 Qxc6 29. Rxc6 g5 30. Bg3 Rd2 31. R1c2 Red8 32. Kf1 a4 33. Ke1 Rd1+ 34. Ke2 Rb1 35. Rc8 Kf8 1/2-1/2