[Event "Interzonal-09a"]
[Site "Leningrad"]
[Date "1973.06.22"]
[Round "14"]
[White "Smejkal, Jan"]
[Black "Kortschnoj, Viktor Lvovich"]
[Result "1/2-1/2"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. Nd5 Nxd5 7. cxd5 Nd4 8. Nxd4 exd4 9. O-O Bd6 10. e4 dxe3 11. dxe3 c5 12. Qc2 Be7 13. Bd2 d6 14. a4 Bf6 15. Bc3 Re8 16. e4 Bd7 17. Rfe1 Bxc3 18. bxc3 Re7 19. a5 Qc7 20. c4 Rae8 1/2-1/2