[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.09.24"]
[Round "2"]
[White "Vaganian, Rafael A"]
[Black "Balashov, Yuri S"]
[Result "1/2-1/2"]
[WhiteElo "2570"]
[BlackElo "2600"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Be7 5. Nc3 O-O 6. e3 Nbd7 7. Rc1 a6 8. c5 c6 9. Bd3 b6 10. b4 a5 11. a3 axb4 12. axb4 bxc5 13. bxc5 Ba6 14. Bxa6 Rxa6 15. Ra1 Rxa1 16. Qxa1 e5 17. O-O h6 18. Bxf6 Bxf6 19. Qa7 Qe7 20. Ne2 Re8 21. Rd1 exd4 22. Nexd4 Nxc5 23. Qxe7 Rxe7 24. Nxc6 Rb7 1/2-1/2