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Subject: Re: Ply Depth in relation to playing strength

Author: leonid

Date: 17:32:09 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.
>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 (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, well i think i figured it would
>take over a 4Ghz machine to do this for Nolot pos1 for Hiarcs , anyways what
>middlegame position were people comparing the Ply depth to one with 35 possible
>moves or one with 99(i think that was the highest number seen)?????
>
>
>Thankyou

No game in the middlegame (when you have around 30 nodes per ply)will reach
12 ply deep, even on late 600Mhz machine. On AMD 400Mhz Rebel and Hiarcs in
middlegame (25-30mov)will see 8 ply deep "brute force" around 45 sec.

On what computer and at what speed Hitech reach 150Knps? Can somebody say
more about this game?

Thanks,
Leonid



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