[Event "October Revolution 50years"]
[Site "Moscow"]
[Date "1967.05.25"]
[Round "4"]
[White "Bilek, Istvan"]
[Black "Gipslis, Aivars P"]
[Result "1/2-1/2"]

1. g3 c5 2. Bg2 g6 3. f4 Bg7 4. Nf3 Nc6 5. e4 d6 6. O-O e5 7. d3 Nge7 8. Nc3 O-O 9. Be3 Nd4 10. Qd2 Rb8 11. Rf2 b5 12. fxe5 dxe5 13. Ne2 b4 14. Raf1 Qd6 15. Nc1 a5 16. Nh4 f6 17. c3 bxc3 18. bxc3 Ne6 19. Nf3 a4 20. Qc2 Bd7 21. Nd2 Nc8 1/2-1/2