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Subject: Re: Tablebase Access Code

Author: Robert Hyatt

Date: 04:53:17 04/26/00

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On April 26, 2000 at 04:40:15, Roberto Waldteufel wrote:

>Hello all,
>
>Some time ago I wrote a chess program called Rabbit, and after a long period of
>inactivity I have started working on it again. At present it does not have
>tablebases, and I would like to add this capability to it. I know that Dr
>Nalimov's tablebases are available for download from Dr Hyatt's ftp site, but my
>main problem is not knowing how to access the data from them. I expect that
>source code for this will be in C, which is not the language I use for
>programming, so I really need either to understand the precise formula for
>looking up a position or else to obtain a compiled version of the access code
>that my program could call. My target platform is Windows on a P3/450, so a DLL
>would be perfect for this. I wonder if such a DLL exists, and if so where can I
>find it? Alternatively, is there public information about the position -->
>address mapping of sufficient detail to allow me to program the lookups myself?
>Any help would be most welcome.
>
>Best wishes,
>
>Roberto


Your best bet is to look at his probe code, written in c++.  If you are using
a compiled language, it ought to be possible to call this stuff from within
your program.



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