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Subject: Re: Will the "incomplete" 6 man tablebases be able to play a game correctly?

Author: John Merlino

Date: 18:34:12 10/21/02

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On October 21, 2002 at 18:31:50, Dieter Buerssner wrote:

>On October 21, 2002 at 00:00:42, Terry Ripple wrote:
>
>>I heard talk that if you don't have the complete set (all pawns) with pieces,
>>that it could very well do worst for the program than do better for it, is this
>>at all true? I'am especially interested in the 6 men as i have all the complete
>>5 men and now would like the 6 man, but i hear that it's not complete as yet!
>
>All available 6-men TBs are pawnless. In this case, you don't have to fear an
>problems. The typical problems arise, when there is a pawn, that must be
>promoted, and the TB with the promoted pawn is missing. This however can not
>happen with the available 6-men TBs. You need the 5-men TBs, so that after any
>possible capture, a TB position will be found.
>
>Regards,
>Dieter

I'm pretty sure that Marc Bourzutschky is in the process of creating 6-man files
with pawns for Chessmaster 9000. I have no idea how long they will take, nor do
I know which files he's planning on building first....

He posted a thread here which showed his build times for quite a few 6-man
files, but the only one I remember was 29 hours for KQQKQQ, and I don't remember
the CPU either :-(

jm



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