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Subject: Re: Finding mate in the quiesce search

Author: Anthony Cozzie

Date: 08:24:28 08/24/04

Go up one level in this thread

On August 24, 2004 at 10:40:15, Alessandro Scotti wrote:

>On August 24, 2004 at 09:29:40, Anthony Cozzie 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?
>>I return the mate score.  I fail to see any problems with this.  For example, if
>>q-search sees:
>>Qxd5 Rxe8 mate
>>this just means that it can't play Rxe8, and thus will have to stick with the
>>static score before Qxd5.
>Ok but then you don't propagate the mate score out of the quiesce, right?

And why not?


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