[Event "Piatigorsky Cup 2nd"]
[Round "18"]
[Site "Santa Monica"]
[Date "1966"]
[White "Portisch, Lajos"]
[Black "Larsen, Bent"]
[Result "1/2-1/2"]
[ECO "A16"]
[Opening "English Opening"]
 1. c4   Nf6
 2. Nc3  c5
 3. Nf3  e6
 4. g3   b6
 5. Bg2  Bb7
 6. O-O  Be7
 7. d4   cxd4
 8. Qxd4 Nc6
 9. Qf4  O-O
10. Rd1  d6
11. b3   Qb8
12. Bb2  a6
13. e4   Rd8
14. h3   b5
15. cxb5 axb5
16. Nxb5 Nxe4
17. Qxe4 Ne5
18. Qf4  Bxf3
19. Nxd6 Bxd1
20. Bxe5 Bxd6
21. Bxd6 Rxd6
22. Bxa8 h5
23. Be4  Qd8
24. Rc1  f5
25. Bb7  Kh7
26. h4   Bg4
27. Bg2  Rd2
28. Rc7  Re2
29. Ra7  e5
30. Qb4  Qd1+
31. Kh2  Qd4
32. Rxg7+ 
1/2-1/2