[Event "FIDE-Wch k.o."]
[Round "1.2"]
[Site "Groningen"]
[Date "1997"]
[White "Portisch, Lajos"]
[WhiteElo "2610"]
[Black "Luther, Thomas"]
[BlackElo "2525"]
[Result "1/2-1/2"]
[ECO "D21"]
[Opening "QGA, 3.Nf3"]
 1. d4   d5
 2. c4   dxc4
 3. Nf3  e6
 4. e3   a6
 5. Bxc4 Nf6
 6. Nc3  c5
 7. Bd3  Nc6
 8. O-O  cxd4
 9. exd4 Be7
10. a3   O-O
11. Re1  b5
12. Bb1  Bb7
13. Qd3  Na5
14. Bg5  g6
15. Ba2  Nc4
16. Bxc4 bxc4
17. Qxc4 Bxf3
18. gxf3 Qb6
19. Na4  Qb7
20. Qe2  Qd5
21. Bh6  Rfd8
22. Rad1 Bd6
23. f4   Qc6
24. Nc3  Nd5
25. Qe4  Bf8
26. Bxf8 Kxf8
27. Rc1  Qb6
28. Qe5  Kg8
29. Ne4  Qxb2
30. Rc5  Qb8
31. Rxd5 exd5
32. Nf6+ Kh8
33. Qg5  Rd6
34. Re7  Qf8
35. Qe5  Rxf6
36. Qxf6+ Kg8
37. Rd7  Qe8
38. Re7  Qf8
39. Qe5  Rd8
40. a4   a5
41. Kg2  Rc8
42. Rd7  Qb4
43. f5   Qxa4
44. Rxf7 Kxf7
45. Qe6+ Kf8
46. Qxc8+ Qe8
47. Qc5+ Kg7
48. Qc7+ Kf6
49. Qd6+ Kxf5
50. Qxd5+ Kf6
51. Qxa5 
1/2-1/2