[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.09.23"]
[Round "1"]
[White "Balashov, Yuri S"]
[Black "Sax, Gyula"]
[Result "1-0"]
[WhiteElo "2600"]
[BlackElo "2590"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. c3 d6 6. e4 Nbd7 7. Be2 h6 8. Bh4 e5 9. dxe5 dxe5 10. O-O Qe7 11. Re1 Rd8 12. Qc2 b6 13. Bf1 Bb7 14. Nc4 Qe6 15. Nfd2 Qg4 16. Bxf6 Bxf6 17. Ne3 Qe6 18. Bc4 Qd6 19. Rad1 c6 20. Nf3 Qe7 21. Ng4 Bg7 22. Qd2 b5 23. Bb3 Kh7 24. Qd6 Qxd6 25. Rxd6 Nc5 26. Rxd8 Rxd8 27. Bxf7 Na4 28. Ngxe5 g5 29. Bb3 Nxb2 30. Nf7 Rd7 31. e5 Re7 32. Nd4 Nc4 33. Bxc4 bxc4 34. Nd8 Ba8 35. N8xc6 Bxc6 36. Nxc6 Re6 37. Nxa7 Bxe5 38. g3 Kg6 39. Re4 Kf6 40. Rxc4 Ra6 41. Nc6 1-0