[Event "FIDE-Wch k.o."]
[Round "1.5"]
[Site "Groningen"]
[Date "1997.12.10"]
[White "Portisch, Lajos"]
[WhiteElo "2610"]
[Black "Luther, Thomas"]
[BlackElo "2525"]
[Result "1/2-1/2"]
[ECO "A40"]
[Opening "Queen's Pawn Game (including English Defence, Englund Gambit, Queen's Knight Defence, Polish Defence and Keres Defence)"]
 1. d4   e6
 2. c4   Nf6
 3. Nf3  d5
 4. Nc3  c6
 5. e3   Nbd7
 6. Qc2  Bd6
 7. b3   O-O
 8. Be2  b6
 9. O-O  Bb7
10. Bb2  Re8
11. Bd3  a6
12. Rfe1 Qc7
13. e4   dxe4
14. Nxe4 Nxe4
15. Bxe4 f5
16. Bd3  c5
17. d5   Nf8
18. h3   exd5
19. cxd5 Bxd5
20. Ng5  h6
21. Bc4  Bxc4
22. Qxc4+ Kh8
23. Qh4  Kg8
24. Qc4+ Kh8
25. Qh4  Kg8
26. Qc4+ 
1/2-1/2