[Event "Interzonal-10a"]
[Site "Biel"]
[Date "1976.07.15"]
[Round "4"]
[White "Petrosian, Tigran V"]
[Black "Tal, Mihail"]
[Result "1/2-1/2"]
[WhiteElo "2635"]
[BlackElo "2615"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O Nc6 5. d4 e6 6. c4 dxc4 7. Ne5 Nd5 8. Nxc6 bxc6 9. Nc3 Be7 10. dxc5 Qa5 11. Nxd5 exd5 12. e4 dxe4 13. Bxe4 O-O 14. Qc2 h6 15. Bxc6 Rb8 16. Bg2 Qxc5 17. Be3 Qa5 18. Bd4 1/2-1/2