[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.08.03"]
[Round "17"]
[White "Petrosian, Tigran V"]
[Black "Smejkal, Jan"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2615"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 d6 8. dxc5 dxc5 9. Bf4 Nh5 10. Bd2 Be6 11. b3 Qc8 12. Qc1 Bh3 13. Bh6 Bxg2 14. Kxg2 Qe6 15. Bxg7 Kxg7 16. Rd1 Rad8 17. Rd5 b6 18. Qb2 Nf6 19. Rad1 Kg8 20. Qc1 Kg7 21. e4 Qc8 22. Rxd8 Rxd8 23. e5 Ne8 24. Rxd8 1/2-1/2