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Subject: Re: What Does the Engine Do When User Sets Maximum Ply Depth?

Author: Robert Hyatt

Date: 10:20:47 01/30/04

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On January 30, 2004 at 12:05:30, Bob Durrett wrote:

>
>A friend is playing games against his chess-playing program on his PC and asked
>this question.  I do not know the answer.
>
>Suppose the user sets the ply depth to 5 ply.  There are several things the
>engine could do in that case, assuming in the middlegame.
>
>If sufficient time were available:
>
>The entire tree could be exhaustively analyzed.

I am not sure what that means...

>
>The position evaluation could be done more extensively/thoroughly.


Nor that since the normal Evaluation() stuff is done at appropriate points
inside the tree already.  There's no other places where it could be done..


>
>Do any engines to the above?  Or, do they just stop prematurely?
>
>Bob D.


If "prematurely" means "when you said to stop" then I guess the answer is they
stop "prematurely".  If you say "5 plies" they do 5 plies and that's all...



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