[Event "Interzonal-11a"]
[Site "Riga"]
[Date "1979.09.15"]
[Round "8"]
[White "Gruenfeld, Yehuda"]
[Black "Tal, Mihail"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2615"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 O-O 11. Bc2 f5 12. Nb3 Qd7 13. Nfd4 Nxd4 14. cxd4 a5 15. f3 a4 16. fxe4 axb3 17. Bxb3 fxe4 18. Be3 Rxf1+ 19. Qxf1 Rf8 20. Qe2 h6 21. Rf1 Rxf1+ 22. Qxf1 Qc6 23. Qe2 b4 24. Qc2 Qxc2 25. Bxc2 Kf7 26. Ba4 Bc8 27. Bc6 Ke6 28. Kf2 Ba6 29. Bc1 Bc4 1/2-1/2