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Subject: Re: BUG in Shredder 9.1 - 50 move Rules

Author: Günther Simon

Date: 11:51:20 07/21/05

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On July 21, 2005 at 06:12:08, Steve Glanzfeld wrote:

>On July 21, 2005 at 02:56:14, Eduard Nemeth wrote:
>
>>Read my message too, here (only german):
>>
>>http://f27.parsimony.net/forum67838/messages/808.htm
>>
>>The 50 move Rules (german: mit einer Meldung in einem Dialogfenster sogar) with
>>Shredders move 86...g5 (It was a pawn, see game) is against the FIDE Rules! Or?
>
>Most chess programs do not claim the 50-draw before making the 50th move (100th
>ply), or by putting the move into the notation only. They move and then claim
>although at that moment, they do not have the move. It has always been like
>this, although it's not FIDE compliant.

That's wrong! Chess programs never ever claimed 50 moves rule after
ply 100 _with_ a pawn move or a hitting move. This loses of course
in any tourney according to the rules. I guess you mixed things up
with all other moves except pawn moves and hitting moves?
Only buggy programs do this. Saying this, the 100ply mate bug is not
that uncommon in a lot of programs, it just happens rarely;)

Guenther



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