[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.19"]
[Round "11"]
[White "Trois, Francisco R Torres"]
[Black "Ribli, Zoltan"]
[Result "0-1"]
[WhiteElo "2415"]
[BlackElo "2595"]

1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. Nbd2 Nd7 8. Nc4 e5 9. dxe5 Ncxe5 10. Nfxe5 dxe5 11. Be3 b6 12. Qc2 Qe7 13. b4 Bb7 14. f3 Kh8 15. Rfe1 Qe6 16. Rad1 f5 17. exf5 gxf5 18. Bf2 Rae8 19. Ne3 e4 20. Bc4 Qe7 21. f4 c6 22. Re2 b5 23. Bb3 Nb6 24. Red2 Qc7 25. g3 c5 26. bxc5 Qxc5 27. c4 b4 28. Re2 Qe7 29. c5 Rc8 30. Nc4 Rxc5 31. Bxc5 Qxc5+ 32. Ne3 Bc3 33. Kf2 a5 34. Red2 a4 35. Be6 Bc8 36. Rd5 Nxd5 37. Rxd5 Be1+ 38. Kg2 Qxc2+ 0-1