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Subject: Re: about endgame database : Konoval, Nalimov, bitbase ... and GNU

Author: Dann Corbit

Date: 14:51:28 11/22/05

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On November 22, 2005 at 17:42:54, Vincent Lejeune wrote:

>sometimes ago, I read that Toga couldn't use the Nalimov code in his sources
>because GNU doesn't accept to have not GNU source as part of it ...
>
>So an idea : "why doesn't exist a separate module from engine who can read multi
>format end-game -databaseS ???" , a kind of DLL like executable. The engine call
>the module when there's < 8 pieces (or 7 ?) in the search and get the score from
>databaseS ( when Nalimov, Yakov Konoval, De Koning?, ...  is present [mate in X,
>mated in X, draw], when bitbase is present [win, draw, lost])
>
>What the DLL must do :
>1) initialization with given directories : look for all know formats and
>transfert the list to the engine.
>2) be able to read all the formats and give the score from EGTB.
>
>
>Why such a module doesn't exist yet ?

It does.  List and Aristarch both use a DLL to access Nalimov tablebase files.

That does not help with GPL projects, but it would be acceptable with LGPL, I
imagine.

I do not know of any LGPL chess projects, so it's pretty much academic.




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