[Event "Interzonal-09b"]
[Site "Petropolis"]
[Date "1973.07.24"]
[Round "1"]
[White "Hort, Vlastimil"]
[Black "Geller, Efim P"]
[Result "1/2-1/2"]

1. c4 c5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nc6 5. Nc3 Nf6 6. d4 cxd4 7. Nxd4 O-O 8. O-O Nxd4 9. Qxd4 d6 10. Qd3 a6 11. Bd2 Bf5 12. e4 Be6 13. b3 Nd7 14. a4 Nc5 15. Qc2 Rc8 16. Rac1 1/2-1/2