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  PLY ratings
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   Author  Topic: PLY ratings  (Read 775 times)
Sherwood
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Re:PLY ratings
« on: December 18, 2006, 11:30AM »
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Thank your for reply - I saw the graph your talking about and looks like it will be a "good read"

Its great I found this site by accident using "The google" and I always thought I was an "oddball" having the computer play itself - Wow there is even ratings on computers. Great site!

            Sherwood.




Quote from: mackgra on December 18, 2006, 11:08AM   

Sherwood,

I think all of your questions and more besides will be answered in this article from chessbase at:

http://www.chessbase.com/columns/column.asp?pid=102

The article gives a brief history of computer chess and has an interesting section (and graph) of depth vs playing strength.

Hope you enjoy!

Graham
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mackgra
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Re:PLY ratings
« Reply #1 on: December 18, 2006, 11:08AM »
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Sherwood,

I think all of your questions and more besides will be answered in this article from chessbase at:

http://www.chessbase.com/columns/column.asp?pid=102

The article gives a brief history of computer chess and has an interesting section (and graph) of depth vs playing strength.

Hope you enjoy!

Graham
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Sherwood
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PLY ratings
« Reply #2 on: December 18, 2006, 10:48AM »
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I have a Novag Diamond II, and sometimes I play the computer against itself, say making white FD2 ( 2 ply search ) vs. black FD3 ( 3 ply search ). Novag goes up to FD8 ( 8 ply search ).

Does anybody know the approximate ELO ratings for each ply and do you think its a linear curve ( each step in ply mean a static step in ELO ) or more of an logrithmic ( as plys get larger, strength increases but not as much as previous ). Just curious.

I have done some expermenting with general ELO ratings which say if you can beat an opponent 99% of time you are 800 ELO better, if only 75% of time then 200 ELOs better.
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