[Event "World-ch25 Petrosian-Spassky +4-3=17"]
[Site "Moscow"]
[Date "1966.05.30"]
[Round "20"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1-0"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Nf3 d5 7. O-O Nc6 8. a3 Bxc3 9. bxc3
dxc4 10. Bxc4 Qc7 11. Bd3 e5 12. Qc2 Bg4 13. Nxe5 Nxe5 14. dxe5 Qxe5 15. f3 Bd7 16. a4
Rfe8 17. e4 c4 18. Be2 Be6 19. Be3 Qc7 20. Rab1 Nd7 21. Rb5 b6 22. Rfb1 Qc6 23. Bd4 f6 24.
Qa2 Kh8 25. Bf1 h6 26. h3 Rab8 27. a5 Rb7 28. axb6 axb6 29. Qf2 Ra8 30. Qb2 Rba7 31. Bxb6
Ra2 32. Qb4 Rc2 33. Bf2 Qc7 34. Qe7 Bxh3 35. gxh3 Rxf2 36. Kxf2 Qh2+ 37. Bg2 Ne5 38. Rb8+
Rxb8 39. Rxb8+ Kh7 40. Rd8 Ng6 41. Qe6 1-0