[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.04.16"]
[Round "2"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. c4 e6 2. d4 d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Bg4 12. Nb3 Be6 13. Rc1 Re8 14. Nb5 Qd7 15. N5d4 Bh3 16. Nxc6 bxc6 17. Qd3 Bxg2 18. Kxg2 a5 19. Rc2 a4 20. Nd2 Qb7 21. Kg1 Rac8 22. Rfc1 Nd7 23. Nf3 c5 24. b3 axb3 25. axb3 Bf8 26. Ra1 Nf6 27. Rca2 Ra8 28. Rxa8 Rxa8 29. Rxa8 Qxa8 30. Qc2 Ne4 31. Nd2 Nxd2 32. Bxd2 Qa6 33. Kf1 Qb5 34. Bc3 g6 35. Qd1 Qc6 36. f3 Qe6 37. Kg2 h5 38. h3 Bd6 39. Qd3 Be5 40. Bxe5 Qxe5 41. h4 Kf8 42. Kf1 Ke7 43. Kf2 Qe6 44. Qb5 Qd6 45. Qb7+ Kf6 46. Qb5 Qc7 47. Qd3 c4 48. bxc4 dxc4 49. Qc3+ Ke6 50. Ke3 Qc5+ 51. Qd4 Qa3+ 52. Kd2 Qa5+ 53. Kc2 Qb5 54. Kc3 Qb3+ 55. Kd2 Qb4+ 56. Kc2 Qa4+ 57. Kc3 Qa5+ 58. Kxc4 Qc7+ 59. Kd3 Qxg3 60. Qc4+ Kf6 61. Qd4+ 1/2-1/2