[Event "Piatigorsky Cup 2nd"]
[Round "16"]
[Site "Santa Monica"]
[Date "1966"]
[White "Spassky, Boris V"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "E60"]
[Opening "King's Indian Defence"]
 1. d4   Nf6
 2. c4   g6
 3. Nf3  Bg7
 4. g3   O-O
 5. Bg2  d6
 6. O-O  Nc6
 7. Nc3  a6
 8. d5   Na5
 9. Nd2  c5
10. Qc2  Rb8
11. b3   b5
12. Bb2  e6
13. Rab1 Re8
14. e4   Bd7
15. Rfe1 Bh6
16. dxe6 Bxe6
17. Nd5  Bg7
18. Nxf6+ Bxf6
19. Bxf6 Qxf6
20. e5   Bf5
21. exf6 Bxc2
22. Rbc1 Bf5
23. Bd5  h6
24. Ne4  Bxe4
25. Rxe4 Rxe4
26. Bxe4 Rc8
27. Kf1  Nc6
28. Re1  bxc4
29. bxc4 Ne5
30. Bd5  Rf8
1/2-1/2