[Event "Piatigorsky Cup 2nd"]
[Round "15"]
[Site "Santa Monica"]
[Date "1966"]
[White "Unzicker, Wolfgang"]
[Black "Petrosian, Tigran V"]
[Result "1/2-1/2"]
[ECO "B54"]
[Opening "Sicilian"]
 1. e4   c5
 2. Nf3  d6
 3. d4   cxd4
 4. Nxd4 a6
 5. Nc3  Nf6
 6. Be2  e5
 7. Nb3  Be7
 8. O-O  O-O
 9. Be3  Qc7
10. a4   Be6
11. a5   Qc6
12. Bf3  Rc8
13. Re1  Nbd7
14. Re2  Qc7
15. Rd2  h6
16. Be2  Nc5
17. f3   Rd8
18. Kh1  Ne8
19. Nxc5 dxc5
20. Nd5  Bxd5
21. Rxd5 Nf6
22. Rxd8+ Rxd8
23. Qe1  
1/2-1/2