Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Ply Depth and Strength

Author: James Robertson

Date: 12:38:56 11/18/99

Go up one level in this thread


On November 18, 1999 at 14:34:24, Dann Corbit wrote:

>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.
>
>It should be necessary to play at least one hundred games even to get a feel for
>it.  *Especially* at those extremely shallow depths.
>
>I suspect all top programs will be about the same for a given ply.

This is not true..... if a program does more extensions then another program, it
'sees' more with each ply, but each ply takes longer.

For instance, a game with 8-ply Fritz and 8-ply CM would be a pushover for CM
because it sees a lot more with each ply.

James

>What this
>interesting experiment would provide is a stronger measure of a program's
>positional analysis because those programs that forged stronger positions would
>prevail while those which rely purely on tactical prowess would fail.
>
>However, it would take a lot of work to run it.  On the other hand, at shallow
>ply depths, the moves would happen quickly.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.