[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.10.02"]
[Round "8"]
[White "Garcia Gonzales, Guillermo"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[BlackElo "2640"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. O-O e5 8. a3 f6 9. d3 Be7 10. Rb1 Be6 11. Bd2 O-O 12. Qa4 a5 13. Rfc1 Qd7 14. Qd1 Rab8 15. Be1 Bg4 16. Ne4 b6 17. Ned2 Rfd8 18. Qc2 Ne8 19. b3 Kh8 20. Qb2 Nc7 21. Nc4 Ne6 22. Ne3 Bh5 23. Nc2 b5 24. Qa2 Bf8 25. Kf1 Re8 26. Ng1 Bf7 27. a4 b4 28. Ne3 Nc7 29. Nf3 Nd5 30. Nxd5 Bxd5 31. Nd2 Bxg2+ 32. Kxg2 f5 33. Rd1 Re6 34. Nf1 Nd4 35. f3 g5 36. e3 Nc6 37. Qe2 Rd8 38. g4 fxg4 39. fxg4 Rd6 40. Qf3 Bg7 41. Rbc1 e4 42. Qxe4 Re8 43. Qf5 Qb7 44. e4 Nd4 45. Qxc5 Qd7 46. Bg3 Qxg4 47. Qxd6 Qf3+ 48. Kh3 Ne2 49. Nd2 Nf4+ 50. Qxf4 Qh5+ 0-1