[Event "Bugojno IT"]
[Round "10"]
[Site "Bugojno"]
[Date "1978"]
[White "Portisch, Lajos"]
[WhiteElo "2630"]
[Black "Byrne, Robert E"]
[BlackElo "2550"]
[Result "1/2-1/2"]
[ECO "E47"]
[Opening "Nimzo-Indian, 4.e3 O-O, 5.Bd3"]
 1. d4   Nf6
 2. c4   e6
 3. Nc3  Bb4
 4. e3   O-O
 5. Bd3  c5
 6. Nf3  d5
 7. O-O  Nc6
 8. a3   Bxc3
 9. bxc3 Qc7
10. cxd5 exd5
11. Nh4  Ne7
12. a4   Re8
13. Ba3  c4
14. Bc2  Ng6
15. Nf5  Ne4
16. Bxe4 Rxe4
17. Ng3  Re8
18. Qh5  Qd7
19. a5   f5
20. Qf3  Qf7
21. Bd6  Be6
22. Rab1 Rad8
23. Bf4  h6
24. Ne2  Nxf4
25. Nxf4 g5
26. Nxe6 Rxe6
27. Rb5  Re4
28. Rfb1 Rd7
29. Qg3  f4
30. exf4 Qxf4
31. Qxf4 gxf4
32. Kf1  Ree7
33. Rc5  f3
34. gxf3 Rf7
35. Rc8+ Kh7
36. Ra8  a6
37. Rb8  Rxf3
38. R8xb7 Rxb7
39. Rxb7+ Kg6
40. Rd7  Rxc3
41. Rxd5 Rd3
42. Ke2  h5
43. h4   Kh6
44. f4   Kg6
45. Rg5+ Kh6
46. Rc5  Rxd4
47. Ke3  Rd3+
48. Ke4  Ra3
49. Ke5  c3
50. f5   c2
51. Rxc2 Rxa5+
52. Ke6  Rb5
53. Rd2  Rb6+
54. Rd6  Rb7
55. Rd8  Rb6+
56. Kf7  Kh7
57. f6   Rb7+
58. Ke6  Rb6+
59. Rd6  Rb8
60. Rd5  Rb6+
61. Kf5  Kh6
62. Rd8  Rb5+
63. Ke6  Rb6+
64. Ke7  Rb7+
65. Rd7  Rb8
1/2-1/2