[Event "World-ch26 Spassky-Petrosian +6-4=13"]
[Site "Moscow"]
[Date "1969.05.23"]
[Round "16"]
[White "Petrosian, Tigran V"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. c4 e6 2. d4 d5 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3 O-O 9. Bg5 Be6 10. dxc5 Bxc5 11. Bxf6 Qxf6 12. Nxd5 Qxb2 13. Nc7 Rad8 14. Qc1 Qxc1 15. Raxc1 b6 16. Nxe6 fxe6 17. Rc4 Nd4 18. Nxd4 Rxd4 19. Rxd4 Bxd4 20. e3 Bc5 21. Rd1 Rf7 22. Be4 g6 23. h4 Rc7 24. Kg2 Be7 25. Kf3 Kg7 26. Rd2 Bb4 27. Rc2 Rxc2 28. Bxc2 Kf6 29. Bd3 h6 30. Be4 g5 31. h5 Be1 1/2-1/2