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

Author: William H Rogers

Date: 15:27:31 01/30/04

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Hi Bob
In the chess program that I wrote you select the ply depth that you want to
play. It will only search to that depth and then return the best move that it
found. It will use extensions, ie. quiesent and sometime will search several
plys deeper. In the begining, I had a command to stop the search no matter what
ply depth you were at and return the best move so far but it kept getting
activated by accident so I removed it. I know of no program that will search to
a deeper ply depth than what a operator sets in the begining of the program. Now
setting the time per move is another question, most programs will search until
either the max time has been reached or the operator stops the search.
Some programs will continue to search a little deeper even though the time limit
is passed. You can see this happen all the time in tourneyments.
Bill



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