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Subject: Re: Finding mate in the quiesce search

Author: Kolss

Date: 08:30:24 08/24/04

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On August 24, 2004 at 11:03:12, Alessandro Scotti wrote:

>On August 24, 2004 at 10:39:52, Tom Likens wrote:
>>On August 24, 2004 at 08:45:56, Alessandro Scotti wrote:
>>>What value do you return when you find a mate in the quiesce search? I used to
>>>return a "mate" score but then I found this is not correct because many paths
>>>were not considered in quiesce, so sometimes I got a "mate in n" score at the
>>>root which wasn't really a forced mate. I've patched the bug by returning a
>>>fixed value for now, but... which value is best?
>>If you generate all replies to check in your qsearch this becomes a
>I do generate all replies to check in quiesce, but I think that my problems are
>caused by examining only the "good capture" moves versus all moves, which would
>be required to return a mate score. In other words my quiesce tells me: "all the
>moves I examined lead to mate", but the moves it examines are only a subset of
>all possible moves.


That means that you "stand pat" when you are in check. Not a good idea...

Regards - Munjong.

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