[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.15"]
[Round "8"]
[White "Mednis, Edmar John"]
[Black "Ribli, Zoltan"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2595"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. O-O b6 8. d4 Bb7 9. Nc3 a6 10. dxc5 Bxc5 11. Bg5 b5 12. Qf4 h6 13. Bxf6 Qxf6 14. Qc7 Ra7 15. Rfd1 Bxf3 16. Qc8+ Qd8 17. Qxd8+ Kxd8 18. Bxf3 Ke7 19. a4 b4 20. Ne4 Rc7 21. e3 f5 22. Nd2 Ba7 23. Nb3 Ne5 24. Be2 Rc2 25. Bxa6 Rxb2 26. Rab1 Rd8 27. Rxb2 Rxd1+ 28. Kg2 g5 29. Be2 Rd5 1/2-1/2