[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.03"]
[Round "1"]
[White "Gligoric, Svetozar"]
[Black "Byrne, Robert Eugene"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e4 d6 6. h3 e5 7. d5 Na6 8. Be3 Nc5 9. Nd2 a5 10. Be2 Ne8 11. O-O f5 12. exf5 Bxf5 13. Nf3 Qe7 14. Re1 b6 15. Bf1 Nf6 16. Rc1 Bd7 17. Nh2 Qd8 18. Be2 Rf7 19. Rf1 Qe7 20. Ng4 1/2-1/2