Chess-playing programs for the Symbolics?

[Brant Cheikes <brant@linc.cis.upenn.edu>]

Does anybody know of or have a program that plays an acceptable game
of chess, is written in Lisp and runs on a Symbolics machine?  I'm not
interested in fancy window-oriented interfaces; it's more important
that such a program be able to accept legal board positions and
generate a good next move.  Source code is a must.  Such a program
might serve as the "knowledge source" in an experimental natural
language query system (an interactive chess tutor/advisor) currently
under development.  Any info along these lines would be greatly
appreciated.  Thanks.
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Brant Cheikes                                      University of Pennsylvania
ARPA: brant@linc.cis.upenn.edu               Computer and Information Science
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