Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: More Inferences from Chris Carson's Data - Zugzwang is out.

Author: Robert Hyatt

Date: 21:28:13 09/07/00

Go up one level in this thread


On September 07, 2000 at 12:34:40, Walter Koroljow wrote:

>Thank you for the link.  It turns out that Zugzwang ran on a multi-processor
>Cray!  Therefore, I have excluded it from consideration.
>
>That leaves 29 program/PC combinations that played 157 games (+73,=57,-27) for a
>score of 101.5-55.5 (64.6%) against opposition with an average rating of 2415.
>A single program with a rating of 2541 would be expected to achieve this score.
>Recalculating the confidence statistics, we get only minor changes:
>
>			95% Confidence Interval
>Spread of Ratings	for Average Rating
>-----------------	-----------------------
>	0			2502-2579
>	200			2502-2584
>	400			2503-2595.
>
>The conclusion stays the same:  There is considerable confidence that the
>average rating of the programs in Chris' data running on 200MHz or faster
>PC-based computers is in the 2500's.
>
>Cheers,
>
>Walter


You might conclude that if you look only at the _results_.  But if you look
at the _games_, you get a significantly different "picture".  A GM simply won't
get beaten by a 1800 player.  A computer falls into such losses.  A GM doesn't
play like a genius in 2 games and then like a 1600 in 1.




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.