[Event "FIDE-Wch k.o."]
[Round "1.4"]
[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   d5
 3. Nf3  dxc4
 4. Qa4+ Nd7
 5. Nc3  a6
 6. Qxc4 b5
 7. Qd3  Bb7
 8. e4   Ngf6
 9. a3   c5
10. e5   Nd5
11. Ne4  cxd4
12. Qxd4 Rc8
13. Bg5  Qb6
14. Qxb6 N5xb6
15. Nd6+ Bxd6
16. exd6 f6
17. Be3  Kf7
18. Rd1  Rhd8
19. Bd3  Nc4
20. Bxc4 Rxc4
21. Ke2  e5
22. Rd2  Ke6
23. Rhd1 Nc5
24. Bxc5 Rxc5
25. Ne1  Bd5
26. b4   Bc4+
27. Ke3  Rc6
28. d7   Ke7
29. f4   exf4+
30. Kxf4 Be6
31. Nd3  Rc4+
32. Kg3  Rxd7
33. Nc5  Rc3+
34. Kf2  Rxd2+
35. Rxd2 Bc8
36. Ra2  Kf7
37. a4   bxa4
38. Rxa4 Rc4
39. Kg3  Kg6
40. h3   h5
41. Nxa6 h4+
42. Kh2  Bxa6
43. Rxa6 Rxb4
44. Ra5  Kh6
45. Kg1  Rb2
46. Rc5  g6
47. Ra5  f5
48. Rc5  Kg5
49. Ra5  Re2
50. Ra6  Kh5
51. Rf6  Re5
52. Kf2  Ra5
53. Rb6  g5
54. Rb8  g4
55. Rh8+ Kg5
56. hxg4 fxg4
57. Rg8+ Kf4
58. Rf8+ Rf5
59. Ra8  Kg5+
60. Kg1  g3
61. Rg8+ Kf4
62. Ra8  Rd5
63. Ra4+ Ke3
64. Ra3+ Rd3
65. Rxd3+ Kxd3
66. Kf1  Ke3
67. Kg1  Kf4
68. Kf1  Kg4
69. Kg1  h3
70. gxh3+ Kxh3
71. Kh1  g2+
72. Kg1  Kg3
1/2-1/2