[Event "Interpolis 02nd"]
[Round "11"]
[Site "Tilburg"]
[Date "1978"]
[White "Dzindzichashvili, Roman"]
[WhiteElo "2550"]
[Black "Portisch, Lajos"]
[BlackElo "2630"]
[Result "1/2-1/2"]
[ECO "A30"]
[Opening "English Opening, Symmetrical Variation"]
 1. c4   c5
 2. g3   Nc6
 3. Bg2  g6
 4. Nc3  Bg7
 5. e3   e6
 6. Nge2 Nge7
 7. O-O  O-O
 8. d4   cxd4
 9. Nxd4 d5
10. cxd5 Nxd4
11. exd4 Nxd5
12. Nxd5 exd5
13. Qb3  
1/2-1/2