[Event "USA-ch/Zonal"]
[Site "South Bend"]
[Date "1981.??.??"]
[Round "15"]
[White "Byrne, Robert Eugene"]
[Black "Shamkovich, Leonid Alexandrovic"]
[Result "1/2-1/2"]
[WhiteElo "2510"]
[BlackElo "2495"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 h6 7. h3 Nc6 8. Be3 a6 9. Bg2 Nxd4 10. Qxd4 e5 11. Qd2 Be6 12. O-O-O Qa5 13. Kb1 Be7 14. f4 Rc8 15. Nd5 1/2-1/2