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Subject: Re: Ply Depth and Strength

Author: Chris Carson

Date: 11:35:54 11/18/99

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On November 18, 1999 at 14:06:35, Joshua Lee wrote:

>Hello  i was wondering who out there in CCC land is rated the highest would care
>to do an experiment? If so set Hiarcs 7.32 to a ply depth of 1 and go from
>there.... play lets say 4 to 10 games at each ply depth and write down your
>results. This would really tell us all possibly how strong at what ply the comp
>is. This way the speed of the computer is irrelevant.

I like this idea.  I am sure someone will complain about the methodology
for this experiment (reliability is in doubt), but I think it is a good
idea.  Also, I would recommend that you have a fast machine so that getting
to higher ply does not take a long time.  You could also save time by
starting at a ply of say 8 and then go up a total of 2 ply and down a total of 2
ply (5 ply total with 10 games at each ply, 5 black, 5 white).  Any program
should work. Anyone have crafty for this.  If the person is a master, it would
be great.  The chess program is set to ply depth (no time control) and the
human plays at game in 2 hours (or 40/2 if you want more time).  Ponder should
be off.

Just my two cents.  :)  My guess:  8 ply = 2000, each additional ply adds
200 points.  I am sure 99% of our readers disagree.  :)

Best Regards,
Chris Carson



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