[Event "Chicago op"]
[Site "Chicago"]
[Date "1970.??.??"]
[Round "?"]
[White "Sheldon, D."]
[Black "Sillars, R."]
[Result "0-1"]
[ECO "A85"]
[PlyCount "66"]
[EventDate "1970.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 b6 6. Qb3 0-0 7. h3 Bb7 8. d5 exd5 9. cxd5 Kh8 10. d6 cxd6 11. 0-0-0 d5 12. Kb1 Na6 13. e3 Nc5 14. Qc2 Nce4 15. Nd4 Rc8 16. Nxf5 Bb4 17. Be5 Nxc3+ 18. bxc3 Ne4 19. Bxg7+ Kg8 20. g4 Rxf5 21. gxf5 Kxg7 22. Rg1+ Kh8 23. Rd4 Bxc3 24. Rxe4 dxe4 25. Qb3 Qf6 26. Bc4 Be5 27. Bd5 Ba6 28. Bxe4 Bc4 29. Qd1 Qf7 30. Bc2 Bxa2+ 31. Kc1 Qc4 32. Rg4 Qb5 33. Ra4 Bb2+ 0-1

