[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.18"]
[Round "10"]
[White "Gruenfeld, Yehuda"]
[Black "Rodriguez, Ruben"]
[Result "1-0"]
[WhiteElo "2430"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 e6 6. g4 Nc6 7. g5 Nd7 8. Be3 Nb6 9. Bb5 Bd7 10. Nb3 Rc8 11. Qe2 a6 12. Bxc6 Bxc6 13. O-O-O Be7 14. h4 Bd7 15. f4 Nc4 16. h5 b5 17. Bd4 b4 18. Nd5 exd5 19. h6 dxe4 20. hxg7 Rg8 21. Qxe4 Bc6 22. Qxh7 Kd7 23. Qf5+ Kc7 24. Rh8 Kb8 25. Qxf7 Qe8 26. Qxc4 Bb7 27. Rxg8 Qxg8 28. Qxg8 Rxg8 29. Bf6 1-0