[Event "Trade Unions Championship"]
[Site "Moscow URS"]
[Date "1964.12.06"]
[EventDate "1964.12.02"]
[Round "4"]
[Result "1-0"]
[White "Vladimir Mikhailovich Liberzon"]
[Black "Tigran Vartanovich Petrosian"]
[ECO "C18"]
[WhiteElo "?"]
[BlackElo "?"]
[PlyCount "29"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5
7. Qg4 Ng6 8. h4 h5 9. Qg3 Qa5 10. Bd2 Nc6 11. Bd3 Nce7
12. dxc5 Qxc5 13. Nf3 Bd7 14. O-O Bb5 15. Be3 1-0