[Event "Interzonal-13a"]
[Site "Tunis"]
[Date "1985.04.29"]
[Round "3"]
[White "Sosonko, Gennadi"]
[Black "Chernin, Alexander"]
[Result "1/2-1/2"]
[WhiteElo "2535"]
[BlackElo "2495"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. Bf4 Qa5+ 6. Nbd2 Na6 7. a3 dxc4 8. Qxc4 Be6 9. Qc1 c5 10. dxc5 Qxc5 11. e3 Rc8 12. Qxc5 Nxc5 13. Be5 Bg7 14. Bb5+ Bd7 15. Bxd7+ Ncxd7 16. Bd4 a6 1/2-1/2