[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.07.21"]
[Round "8"]
[White "Petrosian, Tigran V"]
[Black "Sosonko, Gennadi"]
[Result "1-0"]
[WhiteElo "2635"]
[BlackElo "2505"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 dxc4 7. Bxh7+ Kxh7 8. axb4 Nc6 9.
Nf3 Nxb4 10. O-O c5 11. Ne5 Qe7 12. Nxc4 Bd7 13. e4 cxd4 14. Qxd4 e5 15. Qxe5 Qxe5 16.
Nxe5 Be6 17. Nf3 Kg8 18. Nd4 Bc4 19. Rd1 Rfc8 20. Bg5 Rc5 21. Nf5 Bb3 22. Bxf6 Rxf5 23.
Rd4 Nc2 24. exf5 Nxa1 25. Rg4 Re8 26. Rxg7+ Kf8 27. h4 1-0