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Subject: Re: What's the Secret to Shredder 7.04 Success?

Author: Jim Bond

Date: 07:56:15 05/04/03

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On May 04, 2003 at 10:23:03, Uri Blass wrote:

>On May 04, 2003 at 10:09:55, Uri Blass wrote:
>
><snipped>
>>Nobody said that tablebases cannot help
>>
>>The point is that the fact that shredder is better in endgames can
>>be explained by other factors and I think based on my experience that other
>>factors can explain it better.
>>
>>I believe based on my experience that shredder7.04(without tablebases) is better
>>than other programs in endgames.
>>
>>In most endgames the tablebases are simply irrelevant for the final result.
>>
>>Endgames are not only positions with few pieces in the board but also position
>>when both sides have 6 pawns knight orbishop and rook and
>>even if there are few logical lines
>>that lead to tablebases(often they are not) they are not
>>forced and knowing the results of them is not going to change the move of the
>>program.
>>
>>possible reasons for shredder's success in the endgame or gettting better
>>endgames may be better search rules and better evaluation of endgames.
>>
>>Uri
>
>Another point that I think about is that it is possible that different programs
>define number of tablebases probes in a different way.
>

Now you are second guessing the numbers but are there any observable ground for
that?

>If shredder count probe every time that it get to a tablebase position even if
>it can read the score from hash tables then it may get different result than
>programs that count probe only in cases that they really probe the tablebases.
>

>Uri



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