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Subject: Re: Prblem with EGTBs

Author: James Long

Date: 18:06:11 02/24/99

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I'm seeing another problem using the 4 man tb's.

When I set up this position:

7k/7p/8/8/8/8/5KP1/8 w - - 0 1

and start the search, the result is "draw," the
move is g3.

As soon as the move gxh5 is made, the score
is "mate in 25."

At this point the white king abandons the pawn
and goes for a stroll, but the score still
reflects a mate.

The black king doesn't capture, even though
he could.  The pawn promotes and the black
king is eventually mated.

I'm validating the tablebases now, but I think
something strange must be happening in my search.

Frustrating. :-\

Anybody else seen something like this ?

BTW - it's not the null move.  I disabled them
and the results were the same.

--
James




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