[Event "Interzonal-07"]
[Site "Sousse"]
[Date "1967.11.11"]
[Round "20"]
[White "Byrne, Robert Eugene"]
[Black "Matanovic, Aleksandar"]
[Result "1/2-1/2"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. a3 Bb7 13. Ba2 a5 14. d5 Na7 15. b4 c6 16. Nb3 cxd5 17. exd5 axb4 18. cxb4 1/2-1/2