[Event "Great International Tournament 3rd"]
[Round "3"]
[Site "Bled"]
[Date "1961.09.05"]
[White "Portisch, Lajos"]
[Black "Bertok, Mario"]
[Result "1/2-1/2"]
[ECO "E60"]
[Opening "King's Indian Defence"]
 1. d4   Nf6
 2. c4   g6
 3. g3   Bg7
 4. Bg2  d6
 5. Nf3  O-O
 6. Nc3  c5
 7. h3   Nc6
 8. Be3  cxd4
 9. Nxd4 Bd7
10. Rc1  Rc8
11. b3   a6
12. O-O  b5
13. cxb5 Nxd4
14. Bxd4 axb5
1/2-1/2