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Subject: Re: CHEST bugfix available

Author: Andreas Stabel

Date: 02:42:37 05/06/02

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On May 05, 2002 at 18:09:10, Heiner Marxen wrote:

>The bug found by Vincent Vega a week ago, is fixed now, and available
>through Chest's home page  http://www.drb.insel.de/~heiner/Chess/chest.html .
>The bugfix consists of one corrected source file "mate2.c":
>http://www.drb.insel.de/~heiner/Chess/mate2.c
>
>The bug manifests in that Chest does not recognize the obvious mate-in-2 in
>[D]8/8/8/8/8/8/4KP2/R1Qn3k w - - 0 1
>Without the bugfix above, the original Chest3.19 can be stopped to
>exhibit the bug by the command line option "-a", but that slows down Chest.
>
>The original bug detection message was
>http://www.talkchess.com/forums/1/message.html?226522
>The followups also contain a description about the circumstances necessary
>for the bug to occur.
>
>Happy problem solving!
>
>Heiner

I have modified Dan Corbit's port to windows with the changes in mate2.c
from Heiner Marxen. So if anybody wants an updated executable, they can
email me at anst@dolphin.no

I don't have a web site to put it in, but probably Dan will have a new
version ready soon. I haven't tested the new version very well, but at
least it now solves the mate in 2 it didn't before.

Best regards
Andreas Stabel



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