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Subject: Re: Special Opening Book Iterface -- A request for discussion

Author: Peter Fendrich

Date: 11:00:06 02/01/99

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On January 31, 1999 at 00:42:27, Dann Corbit wrote:

>I am going to create a special opening book that uses the C.A.P. data.  It will
>also contain some middlegame and endgame stuff in it, but most programs will
>have little interest in that.  What I would like to know is what API would you
>like to use?  I can make it a C API or C++ objects.  I also would like to get
>your thoughts on what the volume of information you would like back is.  I will
>have a suggested move for all positions, a best move for some positions, and an
>avoid move for a few positions.  I will have a pv -- how much of that would you
>like and in what format?  I will have a ce.  Would you like second guesses also
>(I have tables with the same information but did not get run as long and
>occasionally the answers are different) or best answer only?  What should the
>format for the positions be?  If binary rather than character string, what
>format will convey the all the information that everyone needs?  I can possibly
>start up the inquiry data structure with various attributes depending upon the
>way it is constructed.  I will also have an interface to update the database.
>That way, it can grow in information over time.
>
>What I would like is a clear specification that would benefit the broadest
>possible range of programmers with the greatest possible utility.



a C API would be more useful for different platforms and compilers.

Take look at the Peter Klausler's CDB pages.
http://reality.sgi.com/pmk_craypark/
There you will find a protocol for chess engines to interact with the database.
Maybe it's useful to you?

//Peter








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