[Event "USA-ch playoff"]
[Site "Chicago"]
[Date "1973.??.??"]
[Round "?"]
[White "Byrne, Robert Eugene"]
[Black "Kavalek, Lubomir"]
[Result "1/2-1/2"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Nbd7 7. Be2 Nc5 8. Bf3 Bd7 9. Nb3 e5 10. Nxc5 dxc5 11. O-O Be7 12. Qe2 O-O 1/2-1/2