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Subject: Re: The strength rating of the old program Chess 4.8

Author: Terry Giles

Date: 12:31:39 06/11/05

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On June 11, 2005 at 15:27:48, Terry Giles wrote:

>On June 11, 2005 at 14:00:23, alcides fuentes wrote:
>
>>
>>Hello,I desire to know the elo rating of the Old chess programs "Chess 4.8" and
>>"Cray blitz" currently, and one comparison between Hiarcs in zire 21 with regard
>>to the force of you said programs.
>>
>>many thanks
>
>Hi,
>
>According to David Levy and Monty Newborn's book "How Computers Play Chess"
>The program Chess 4.7 had a rating of 2000 elo and Chess 4.9 had a rating of
>about 2100 elo. Unfortunately they do not give a rating for Chess 4.8 (in fact
>that version of the program is not listed at all, was there such a version?).
>I believe these elo ratings are US values.
>
>Terry

Oops!

...and in 1981 Cray Blitz was rated at about 2250 to 2300 elo.

Terry



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