[Event "Interpolis 02nd"]
[Round "6"]
[Site "Tilburg"]
[Date "1978"]
[White "Portisch, Lajos"]
[WhiteElo "2630"]
[Black "Browne, Walter S"]
[BlackElo "2550"]
[Result "1-0"]
[ECO "E46"]
[Opening "Nimzo-Indian, 4.e3 O-O"]
 1. d4   Nf6
 2. c4   e6
 3. Nc3  Bb4
 4. e3   O-O
 5. Be2  c5
 6. Nf3  d5
 7. O-O  cxd4
 8. exd4 dxc4
 9. Bxc4 b6
10. Bg5  Bb7
11. Re1  Bxc3
12. bxc3 Nbd7
13. Bd3  Rc8
14. Rc1  Qc7
15. Bh4  Qc6
16. c4   Nh5
17. d5   Qc5
18. Ng5  Nhf6
19. dxe6 fxe6
20. Nxe6 Qc6
21. Bf1  Rfe8
22. Nd4  Rxe1
23. Qxe1 Qe4
24. Qxe4 Nxe4
25. f3   Nd2
26. Be2  Ne5
27. Rc2  Nb1
28. Nb5  Ba6
29. a4   Bxb5
30. axb5 Na3
31. Ra2  Naxc4
32. Bg3  Rc5
33. Rc2  g5
34. Bf2  Na3
35. Rxc5 bxc5
36. Bxc5 
1-0