[Event "Piatigorsky-Cup 2nd"]
[Site "Santa Monica"]
[Date "1966.07.27"]
[Round "7"]
[White "Ivkov, Borislav"]
[Black "Spassky, Boris Vasilievich"]
[Result "0-1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Nxe4 Bxe4 9. Ne1 Bxg2 10. Nxg2 d6 11. e4 Nd7 12. Be3 Qc8 13. Nf4 c6 14. Rc1 Re8 15. Nd3 c5 16. f3 Qa6 17. a4 Bf6 18. Nf2 cxd4 19. Bxd4 Bxd4 20. Qxd4 Nc5 21. Qxd6 Qxa4 22. Qd1 Qb4 23. Qc2 Red8 24. Rfd1 h6 25. Rxd8+ Rxd8 26. Rd1 Rxd1+ 27. Nxd1 Qe1+ 28. Kg2 a5 29. h4 Kf8 30. h5 Ke7 31. Nf2 Qe3 32. Qd1 f6 33. Kf1 Nb3 34. Kg2 Nd2 35. Nh3 Nxc4 36. Nf4 Qxf4 0-1