[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.09.24"]
[Round "2"]
[White "Huebner, Robert"]
[Black "Portisch, Lajos"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2640"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. f5 Nc6 11. fxe6 fxe6 12. Nxc6 bxc6 13. e5 dxe5 14. Bxf6 gxf6 15. Be2 Qd6 16. Qe3 Qd4 17. Qf3 Bb4 18. Qxc6+ Ke7 19. Qxa8 Qxc3+ 20. Kf1 Rd8 21. Qe4 Rd4 22. Qxh7+ Kd6 23. g3 Bd7 24. Qh8 f5 25. a3 Bc5 26. Qf8+ Kc6 27. Qa8+ Kd6 28. Qf8+ Kc6 29. Qa8+ 1/2-1/2