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Subject: Re: 50 moves rule in Crafty and Arena

Author: Matthias Gemuh

Date: 12:52:56 08/31/04

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On August 31, 2004 at 13:17:17, Andrew Platt wrote:

>On August 31, 2004 at 07:56:08, Matthias Gemuh wrote:
>
>>Only the few engines that generate only legal move lists can fix this
>>at an acceptable cost.
>
>Perhaps I'm missing something but I don't see how the generation of illegal
>moves changes this. You still count the number of moves you could actually make
>as you are making them and if that's zero you then check whether it's mate or
>stalemate at the end.
>
>I guess that if you didn't verify that a move had succeeded before checking the
>fifty move counter you could get it wrong.
>
>Andy.



That is how I do it in my engine.
I don't remember why I thought of those legal move lists.

Anonymous.






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