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Subject: Re: Upper Elo Limits for chess programs on very Slow Processors

Author: Uri Blass

Date: 22:59:06 02/15/02

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On February 15, 2002 at 23:25:23, Lyn Harper wrote:

>   I've got a Novag Expert, dating back to 1985. A faithful old friend
> of mine.
>   I just now did a little calculation based on the theory about a 70
> elo point increase in playing strength for every doubling of clock speed.
>   If I could get the program out of my Novag Expert and put it on a
> floppy disk, it would play at about 2680, right up there with the best
> of them. Does this mean there have been no improvements in chess
> programming in the lasst 17 years?
>   I suggest the theory is flawed. The truth is that it works for a
> few doublings, then there is a diminishing return.

There is another possible theory

1)70 elo per doubling is truth for the new programs and for Novag Expert is was
less than 70 elo per doubling.

2)The top programs can have more than 2680 in comp-comp games if you assume
correct rating for novag Expert against humans.

Uri



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