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

Author: Eugene Nalimov

Date: 10:26:27 10/23/02

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KQQKQQ is one of the simplest 6-men TBs. Current version of my generator
generates it in 14 hours on P4/2GHz.

Thanks,
Eugene

On October 21, 2002 at 23:48:57, Robert Hyatt wrote:

>On October 21, 2002 at 21:34:12, John Merlino wrote:
>
>>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
>
>
>29 hours sounds incredibly fast, since it is going to require at _least_ 100
>iterations to find
>most of the draws...



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