[Event "Interzonal-07"]
[Site "Sousse"]
[Date "1967.11.14"]
[Round "22"]
[White "Byrne, Robert Eugene"]
[Black "Bilek, Istvan"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 Qa5 9. O-O d6 10. h3 Bd7 11. f4 Nxd4 12. Bxd4 Bc6 13. Qd3 1/2-1/2