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Subject: Re: which 6 man tablebases are the most important?

Author: Uri Blass

Date: 10:49:00 04/04/04

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On April 04, 2004 at 12:48:00, Vincent Diepeveen wrote:

>On April 02, 2004 at 23:17:58, Robert Hyatt wrote:
>
>DIEP raw compressed format :
>
>28-03-2004  02:15           218.108 kqqqkp_w.dtb.emd
>28-03-2004  02:14           134.072 kqqqkp_b.dtb.emd
>
>Same tables in nalimov format:
>-rw-r--r--    1 500      500      650212520 Sep 11  2003   kqqqkp.nbb.emd
>-rw-r--r--    1 500      500      115294214 Sep 11  2003   kqqqkp.nbw.emd
>
>Factor 1000 compression or so here.


I am not impressed.

KqqqKp is almost always a win for the stronger side.

I suspect that the only cases when it does not happen can happen only when there
is a stalemate or when there is a pawn in the 7th and the drawing move is a
promotion.

You simply do not need these tablebases because you probably can by static
evaluation solve everything and in the rare cases when there is a pawn in the
7th that can promote you can look in tables with no pawns.

Uri



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