[Event "Interpolis 02nd"]
[Round "6"]
[Site "Tilburg"]
[Date "1978"]
[White "Spassky, Boris V"]
[WhiteElo "2630"]
[Black "Ribli, Zoltan"]
[BlackElo "2585"]
[Result "1/2-1/2"]
[ECO "B23"]
[Opening "Sicilian, Closed"]
 1. e4   c5
 2. Nc3  Nc6
 3. Nf3  e6
 4. d4   cxd4
 5. Nxd4 Qc7
 6. g3   a6
 7. Bg2  Nf6
 8. O-O  Be7
 9. Nde2 O-O
10. a3   d6
11. h3   b5
12. g4   Re8
13. g5   Nd7
14. f4   a5
15. f5   Ba6
16. Be3  Bf8
17. Nf4  Nde5
18. Rf2  Nc4
19. Bc1  
1/2-1/2