[Event "Piatigorsky-Cup 2nd"]
[Site "Santa Monica"]
[Date "1966.08.14"]
[Round "17"]
[White "Unzicker, Wolfgang"]
[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 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bd2 Bg7 16. Qc1 d5 17. Bg5 Qc8 18. dxe5 Nxe4 19. Nxe4 dxe4 20. Bxe4 Nxe5 21. Bxb7 Qxb7 1/2-1/2