[Event "Moscow IT"]
[Round "13"]
[Site "Moscow"]
[Date "1981.04.23"]
[White "Smyslov, Vassily"]
[WhiteElo "2545"]
[Black "Portisch, Lajos"]
[BlackElo "2650"]
[Result "1/2-1/2"]
[ECO "A30"]
[Opening "English Opening, Symmetrical Variation"]
 1. c4   c5
 2. Nf3  Nf6
 3. Nc3  e6
 4. g3   b6
 5. Bg2  Bb7
 6. O-O  Be7
 7. b3   d5
 8. cxd5 Nxd5
 9. Nxd5 Bxd5
10. Bb2  O-O
11. Qb1  Bf6
12. Rd1  Bxb2
13. Qxb2 Nd7
1/2-1/2