[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.04.14"]
[Round "1"]
[White "Spassky, Boris Vasilievich"]
[Black "Petrosian, Tigran V"]
[Result "0-1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O d5 8. Nd2 Nf6 9.
Qe2 Be7 10. b3 O-O 11. Bb2 a5 12. f4 g6 13. Rad1 Nd7 14. c4 a4 15. f5 exf5 16. exf5 Bf6
17. Bxf6 Nxf6 18. Qf2 axb3 19. axb3 Ra2 20. fxg6 fxg6 21. h3 Qe7 22. Qd4 c5 23. Qf4 Bb7
24. Rde1 Qg7 25. Qe3 d4 26. Qe6+ Qf7 27. Qe2 Re8 28. Qf2 Rxe1 29. Qxe1 Qe8 30. Qxe8+ Nxe8
31. Be4 Rxd2 32. Bxb7 Nd6 33. Bd5+ Kg7 34. b4 cxb4 35. c5 Nf5 36. c6 Rc2 37. g4 Nd6 38.
Rf4 d3 39. Rd4 d2 40. Bb3 Rxc6 41. Rxd2 Ne4 42. Rd7+ Kf6 43. Rxh7 Rc1+ 44. Kg2 Nc5 45. Bf7
b3 46. g5+ Kxg5 47. h4+ Kf6 48. h5 Rc2+ 49. Kf3 b2 50. Ba2 gxh5 51. Rxh5 Rc1 52. Rh6+ Ke5
53. Rb6 Na4 54. Re6+ Kd4 55. Re4+ Kc5 56. Rxa4 Ra1 0-1