[Event "World-ch25 Petrosian-Spassky +4-3=17"]
[Site "Moscow"]
[Date "1966.05.27"]
[Round "19"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "1-0"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. dxc5 Nc6 7. Bf4 Bxc5 8. Bd3 f6 9.
exf6 Nxf6 10. O-O O-O 11. Ne5 Bd7 12. Nxc6 Bxc6 13. Qe2 Qe7 14. Rae1 Rae8 15. Bg3 a6 16.
a3 Qf7 17. b4 Bd4 18. Be5 Bxe5 19. Qxe5 Nd7 20. Qg3 e5 21. f3 Qf4 22. Qxf4 Rxf4 23. Rf2 g6
24. Rd2 Nb6 25. Rde2 Nd7 26. Nd1 b5 27. c3 Rf7 28. Bc2 Kg7 29. Bb3 h5 30. Ne3 Nb6 31. Nc2
Nd7 32. Re3 h4 33. h3 Rf6 34. Nd4 Bb7 35. a4 Rd8 36. Ne2 bxa4 37. Bxa4 Nb6 38. Bb3 e4 39.
Nd4 Kh6 40. Rd1 Rc8 41. fxe4 dxe4 42. Ne6 Nc4 43. Bxc4 Rxc4 44. Nc5 Rf7 45. Ra1 Kg5 46.
Ra5 Kf4 47. Kf2 Bd5 48. Nb3 Ke5+ 49. Ke2 Rc6 50. Nd2 Ke6 51. Nxe4 Bc4+ 52. Kd2 Rd7+ 53.
Kc2 Kf7 54. Re5 Kg7 55. Nd2 Bb5 56. Nf3 Ba4+ 57. Kb2 Rd1 58. R5e4 Rf1 59. Re1 Rxe1 60.
Rxe1 Rf6 61. Re4 g5 62. Nxg5 Rf2+ 63. Ka3 Bc6 64. Rxh4 Bxg2 65. Ne4 Re2 66. Nc5 Bf1 67.
Rf4 Re1 68. h4 1-0