[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.06.13"]
[Round "22"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. c4 e6 2. d4 d5 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 O-O 6. e3 h6 7. Bxf6 Bxf6 8. Qd2 b6 9. cxd5 exd5 10. Rd1 Be6 11. g3 Nd7 12. Bg2 Be7 13. O-O c6 14. Qc2 Rc8 15. Ne5 Nxe5 16. dxe5 f6 17. exf6 Bxf6 18. Ne2 Qd6 19. Rd2 Rfd8 20. Rfd1 Qe7 21. Nf4 Bf7 22. Bh3 Rc7 23. Bf5 g5 24. Ne2 c5 25. e4 Bd4 26. Nxd4 cxd4 27. Qd3 dxe4 28. Bxe4 Kg7 29. Qf3 Qf6 30. Qxf6+ Kxf6 31. b3 a5 1/2-1/2