[Event "World-ch25 Petrosian-Spassky +4-3=17"]
[Site "Moscow"]
[Date "1966.04.25"]
[Round "7"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]
1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. Nbd2 Be7 5. e3 Nbd7 6. Bd3 c5 7. c3 b6 8. O-O Bb7 9. Ne5
Nxe5 10. dxe5 Nd7 11. Bf4 Qc7 12. Nf3 h6 13. b4 g5 14. Bg3 h5 15. h4 gxh4 16. Bf4 O-O-O
17. a4 c4 18. Be2 a6 19. Kh1 Rdg8 20. Rg1 Rg4 21. Qd2 Rhg8 22. a5 b5 23. Rad1 Bf8 24. Nh2
Nxe5 25. Nxg4 hxg4 26. e4 Bd6 27. Qe3 Nd7 28. Bxd6 Qxd6 29. Rd4 e5 30. Rd2 f5 31. exd5 f4
32. Qe4 Nf6 33. Qf5+ Kb8 34. f3 Bc8 35. Qb1 g3 36. Re1 h3 37. Bf1 Rh8 38. gxh3 Bxh3 39.
Kg1 Bxf1 40. Kxf1 e4 41. Qd1 Ng4 42. fxg4 f3 43. Rg2 fxg2+ 0-1