[Event "World Cup"]
[Round "?"]
[Site "Brussels"]
[Date "1988"]
[White "Kortschnoj, Viktor"]
[WhiteElo "2640"]
[Black "Portisch, Lajos"]
[BlackElo "2610"]
[Result "1/2-1/2"]
[ECO "E41"]
[Opening "Nimzo-Indian, 4.e3 c5"]
 1. d4   Nf6
 2. c4   e6
 3. Nc3  Bb4
 4. e3   c5
 5. Bd3  Nc6
 6. Nge2 d5
 7. cxd5 Nxd5
 8. O-O  cxd4
 9. exd4 O-O
10. Bc2  Bd6
11. Qd3  Qh4
12. g3   Qh5
13. Nxd5 exd5
14. Bf4  Be7
15. Bd2  Qg6
16. Kg2  
1/2-1/2