[Event "National op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "?"]
[White "Gruenberg, Fred"]
[Black "Blum, L."]
[Result "1-0"]
[ECO "A07"]
[PlyCount "61"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nd7 4. Ngf3 Be7 5. g3 Ngf6 6. Bg2 0-0 7. 0-0 c6 8. Qe2 Qc7 9. Re1 dxe4 10. dxe4 Ne5 11. Nxe5 Qxe5 12. Nf3 Qc7 13. e5 Nd5 14. a3 Qd7 15. c4 Nc7 16. Bd2 Rd8 17. Rad1 b6 18. Bg5 Qe8 19. Rxd8 Bxd8 20. Bf4 a5 21. Rd1 Rb8 22. Qd3 Ba6 23. Ng5 g6 24. Ne4 Qf8 25. Nd6 c5 26. Bc6 Be7 27. b3 Bd8 28. Qe3 Be7 29. Bh6 Qd8 30. Qf3 Bxd6 31. Rxd6 1-0

