[Event "Vidmar Memorial-01"]
[Site "Ljubljana"]
[Date "1969.06.14"]
[Round "11"]
[White "Byrne, Robert Eugene"]
[Black "Unzicker, Wolfgang"]
[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 Nb8 10. d4 Nbd7 11. Nh4 g6 12. Bh6 Re8 13. Nf3 c5 14. Nbd2 Bf8 15. Be3 Bb7 16. d5 Nb6 17. Bc2 Bc8 18. Kh2 a5 19. Rg1 b4 1/2-1/2