[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.06"]
[Round "2"]
[White "Adorjan, Andras"]
[Black "Rodriguez, Ruben"]
[Result "1/2-1/2"]
[WhiteElo "2525"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 Nd7 8. Nf3 Nb6 9. c4 Bd7 10. d3 Bc6 11. O-O O-O 12. Bb2 Bxb2 13. Rxb2 e5 14. Qc1 Qe7 15. Qe3 Rfe8 16. Nd2 Bxg2 17. Kxg2 f5 18. f3 Rad8 1/2-1/2