[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.12"]
[Round "7"]
[White "Huebner, Robert"]
[Black "Byrne, Robert Eugene"]
[Result "1/2-1/2"]

1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. e3 e6 6. Nge2 Nge7 7. O-O O-O 8. a3 d6 9. Rb1 b6 10. d4 cxd4 11. Nxd4 Qd7 12. Nxc6 Nxc6 13. Ne4 Rd8 14. b4 d5 15. cxd5 exd5 16. Nd2 Qd6 17. Rb3 Be6 18. Bb2 Rac8 19. Bxg7 Kxg7 20. Qa1+ Qe5 21. Rb2 Qf6 22. Nb3 d4 23. b5 Bxb3 24. Rxb3 Na5 25. Rd3 dxe3 26. Rxe3 Qxa1 1/2-1/2