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Subject: Re: Shredder 7.04 6 Piece EGTBs?

Author: Robert Hyatt

Date: 20:54:53 01/14/04

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On January 14, 2004 at 16:08:24, David H. McClain wrote:

>On January 14, 2004 at 15:07:39, Chris Taylor wrote:
>
>>Does S8 know how to use the 6 piece egtbs'?  I could wait for it to arrive, nah;
>>please tell me!  I have ordered the dam things and would like to know if I have
>>wasted my GBPs.
>>
>>
>>Chris
>
>Chris,
>
>Being an amatuer here perhaps I am making an incorrect assumption about this.
>
>When I use my Shredder 7.04 the heavy hard drive activity appears to indicate it
>is accessing EGTBs tablebases when there are six pieces left on the board.  I
>have assumed all along that this indicates that Shredder 7.04 is using a few of
>my 6 piece EGTBs or is at least looking for them.  Shredder Classic GUI also
>states "6 piece EGTBs found" when changing hash table size for them.
>
>Hopefully one of our experts on this can either confirm or refute this.  If this
>is in fact true then I see no reason why S 8 would not do the same.
>
>DHM


That is inconclusive.  IE you can take crafty, crank it up with 6 pieces
and see the disk light go.  You can then type egtb=5 to limit it to only
5 piece tables, and the disk light will _still_ burn because it is easy to
remove one piece and get a hit.

If you set up a position with 6 pieces only, it should not even search, it
should stop with an egtb score and wait for your move.



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