[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1973.02.03"]
[Round "15"]
[White "Ribli, Zoltan"]
[Black "Balashov, Yuri S"]
[Result "1/2-1/2"]

1. g3 d5 2. Bg2 e6 3. Nf3 c5 4. O-O Nc6 5. d4 cxd4 6. Nxd4 Bc5 7. Nb3 Bb6 8. c4 Nge7 9. Nc3 d4 10. c5 dxc3 1/2-1/2