[Event "Interzonal-09b"]
[Site "Petropolis"]
[Date "1973.08.06"]
[Round "10"]
[White "Ivkov, Borislav"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d4 Nxe4 8. d5 Ne5 9. Nxe5 dxe5 10. Re1 Nd6 1/2-1/2