[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.10.17"]
[Round "18"]
[White "Petrosian, Tigran V"]
[Black "Huebner, Robert"]
[Result "1/2-1/2"]
[WhiteElo "2610"]
[BlackElo "2595"]
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Rc1 h6 7. Bh4 b6 8. Bxf6 Bxf6 9. cxd5 exd5 10. Qf3 Bb7 11. Bc4 c6 12. Bb3 Na6 13. Nge2 Nc7 14. O-O Ne6 15. Rfd1 Re8 16. Nf4 Nxf4 17. Qxf4 Rc8 18. Rc2 Bg5 19. Qf3 Re7 20. h3 Rd7 21. Rcd2 g6 22. a3 Kg7 23. Ba4 a5 24. g3 h5 25. h4 Bf6 1/2-1/2