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Subject: Re: Ponder=off working more efficient? Important correcttion

Author: Kurt Utzinger

Date: 05:55:34 06/20/02

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The test was of course made on a single PC and not on two PC!! Sorry for any
inconveniences caused [it is too hot here in Switzerland!]

On June 20, 2002 at 03:14:53, Kurt Utzinger wrote:

>Personally spoken, I prefer matches with ponder=off. And this due to an
>experiment made some years ago even played on_two_PC 486/86 with_two_programs at
>level 120 min/40 moves. The first match over 20 games was played with ponder=on,
>the second match [same openings] with ponder=off. And you will hardly believe
>it, but in the match with ponder=off the overall average search depth per move
>was higher than in the match with ponder=on. This seems to confirm what Dieter
>Buerssner wrote on this subject. He said that he would prefer to do his private
>tests with ponder=off as this method would use CPU time more efficiently because
>the CPU cycles for pondering on wrong moves are not wasted. Maybe someone should
>repeat such a test with the latest programs to have a good comparison between
>the various programs.
>Kurt



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