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Subject: Re: Ply Depth in relation to playing strength

Author: blass uri

Date: 12:37:42 09/29/99

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On September 29, 1999 at 15:05:16, Joshua Lee wrote:

>I figure Fritz and other fast searchers look 13 or 14ply complete in the
>middlegame and the slow smart programs like Hiarcs look between 8 to 11 ply.

No they do not look 13 or 14 complete plies because they are null movers.

>I have seen some messages that said Hitech looked about 8ply in the middlegame
>it running at 150Knps. If this is so wouldn't most PC software be stronger. This
>doesn't make sense. Hitech was around 2400elo , most programs say they are that
>strong as well but if you look at Rebel 10 it achieved this on super cooled
>cpu's. In reality most computers are under 2400 on regular computers K6-3
>400's,Pentium III 600's

You ignore the fact that the difference between regular computers and pIII900
against humans is probably very small(I guess less than 50 elo)

 (at rebel's site it estimates the Kyrotech's K6-3 600 to
>be as fast as a Pentium III 900 if it existed), and maybe K7 500. Another comp
>Deep thought i believe looked 10 ply complete,

The extensions of Deep thought are not the same as the extensions of commercial
programs so the depth is not comparable.

Uri



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