[Event "Moscow IT"]
[Round "1"]
[Site "Moscow"]
[Date "1981.04.08"]
[White "Portisch, Lajos"]
[WhiteElo "2650"]
[Black "Petrosian, Tigran V"]
[BlackElo "2585"]
[Result "1/2-1/2"]
[ECO "E14"]
[Opening "Queen's Indian, 4.e3"]
 1. d4   Nf6
 2. c4   e6
 3. Nf3  b6
 4. e3   Bb7
 5. Bd3  Be7
 6. O-O  O-O
 7. b3   c5
 8. Bb2  cxd4
 9. exd4 d5
10. Qe2  Nc6
11. Nbd2 Re8
12. Rac1 Bf8
13. h3   Rc8
14. Rfd1 Nd7
15. Qe3  g6
16. cxd5 exd5
17. Qf4  Qf6
18. Qxf6 Nxf6
19. Ne5  Nb8
20. Nb1  
1/2-1/2