[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.07.24"]
[Round "10"]
[White "Petrosian, Tigran V"]
[Black "Liberzon, Vladimir Mikhailovi"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2540"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 Nf6 5. e3 O-O 6. Nf3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. a3 Qa5 10. Nd2 Be7 11. Bg3 Qd8 12. Nf3 Qa5 13. Nd2 Qb6 14. Be2 d4 15. Na4 Qd8 16. e4 Nd7 17. Rd1 e5 18. b4 b6 19. Nb3 Bb7 20. O-O Re8 21. Qb2 a5 22. b5 Ncb8 23. Bd3 Nc5 24. Nbxc5 Bxc5 25. Nxc5 bxc5 1/2-1/2