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Subject: Re: Finding mate in the quiesce search

Author: Alessandro Scotti

Date: 08:30:33 08/24/04

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On August 24, 2004 at 11:25:47, Anthony Cozzie wrote:

>On August 24, 2004 at 10:56:13, Alessandro Scotti wrote:
>>On August 24, 2004 at 10:50:07, Álvaro Begué wrote:
>>>>I tracked the cause to the quiescence search returning mate, where it doesn't
>>>>actually explore all the possible variations.
>>>Your diagnostic is incorrect. There is no problem with returning mate scores in
>>>the quiescence search. You must be doing something else wrong.
>>If I evaluate a position using the quiescence search and that returns "mate in
>>5", how can I be sure that it's really a mate in 5 if the quiescence search
>>hasn't explored all the possible moves?
>Q-search will never return mate in 5.
>I hope you are scoring mate as "MATESCORE-ply".

Yep, which translated for humans and relative to the node that started the
quiesce search might mean "mate in 5"...

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