[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.07.11"]
[Round "1"]
[White "Andersson, Ulf"]
[Black "Sosonko, Gennadi"]
[Result "1/2-1/2"]
[WhiteElo "2585"]
[BlackElo "2505"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 b6 8. O-O Bb7 9. Rd1 Rc8 10. Nc3 a6 11. d3 Be7 12. Bf4 O-O 13. Rac1 b5 14. a4 Nd5 15. axb5 Nxc3 16. bxc3 axb5 17. Qb3 Qb6 18. Rb1 Bc6 19. Ne1 e5 20. Be3 Rb8 21. Rd2 Bxg2 22. Nxg2 Qc6 23. Rdb2 c4 24. dxc4 bxc4 25. Qc2 Rxb2 1/2-1/2