[Event "Piatigorsky-Cup 2nd"]
[Site "Santa Monica"]
[Date "1966.08.08"]
[Round "14"]
[White "Spassky, Boris Vasilievich"]
[Black "Portisch, Lajos"]
[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. Be3 Bf8 12. Nbd2 Bb7 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Qf3 c5 16. c4 Qe7 17. a4 b4 18. a5 Red8 19. Bc2 Rac8 20. Red1 Nh7 21. Nf1 Qe6 22. b3 Be7 23. Qf5 Nf8 1/2-1/2