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Subject: Re: Finding mate in the quiesce search

Author: Anthony Cozzie

Date: 08:32:36 08/24/04

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On August 24, 2004 at 11:29:42, Álvaro Begué wrote:

>>>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?
>You are right: it is possible that there is a faster mate.
>>Q-search will never return mate in 5.
>Why not? If you include checks and check evasion, it can return mate in 5 with
>no problem.

Most people don't do infinite depth of q-checks.  I tried once and got a
selective depth of 61 on a 2 ply search, and then it crashed on the 3 ply search
;)  You would not believe the stupid lines it was looking at . . .


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