[Event "URS-ch37 Final"]
[Site "Moscow"]
[Date "1969.09.06"]
[Round "1"]
[White "Petrosian, Tigran V"]
[Black "Liberzon, Vladimir Mikhailovi"]
[Result "1/2-1/2"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nc3 h6 7. Bxf6 Bxf6 8. Qd2 Nc6 9. Rc1 b6 10. cxd5 exd5 11. Bd3 Ne7 12. O-O Be6 13. Ne5 Bxe5 14. dxe5 f6 15. exf6 Rxf6 16. e4 dxe4 17. Nxe4 Rf7 18. Rfd1 Nf5 19. Bc4 Qxd2 20. Rxd2 Bxc4 21. Rxc4 c5 22. f3 Kf8 23. Rc3 Re8 24. Rcd3 Rfe7 25. Kf2 Nd4 26. b4 Ne6 27. bxc5 Nxc5 28. Nxc5 bxc5 29. Rc2 Rc7 30. Rd5 c4 31. Rd4 c3 32. Rf4+ Kg8 33. Re4 Rd8 34. Ra4 1/2-1/2