[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.16"]
[Round "9"]
[White "Ribli, Zoltan"]
[Black "Adorjan, Andras"]
[Result "1/2-1/2"]
[WhiteElo "2595"]
[BlackElo "2525"]

1. c4 g6 2. d4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 Bg7 6. g3 c5 7. Bg2 Nc6 8. O-O cxd4 9. Nxd4 Nxc3 10. bxc3 Nxd4 1/2-1/2