[Event "Moscow IT"]
[Round "4"]
[Site "Moscow"]
[Date "1981.04.11"]
[White "Petrosian, Tigran V"]
[WhiteElo "2585"]
[Black "Andersson, Ulf"]
[BlackElo "2610"]
[Result "1/2-1/2"]
[ECO "E04"]
[Opening "Catalan, Open, 5.Nf3"]
 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