[Event "Moscow"]
[Site "Moscow"]
[Date "1981.04.??"]
[Round "4"]
[White "Petrosian, Tigran V"]
[Black "Andersson, Ulf"]
[Result "1/2-1/2"]
[WhiteElo "2585"]
[BlackElo "2610"]
[ECO "E04"]
[Opening "Catalan Opening: Open Defense"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c5 6. O-O Nc6 7. Ne5 Bd7 8. Nxc6 Bxc6 9. Bxc6+ bxc6 10. Qa4 cxd4 11. Qxc6+ Nd7 12. Qxc4 Bc5 13. Nd2 O-O 14. Nf3 Rc8 15. Bd2 Bb6 16. Qd3 Nc5 17. Qxd4 Qxd4 18. Nxd4 1/2-1/2