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Subject: Re: How accurate are the Winboard Programs Rating ?

Author: Roger D Davis

Date: 07:05:50 04/13/00

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The results against LG2000 don't look all that decisive. 28.5 out of 50 with 25
expected at equal strength, and 16.5 out of 30 with 15 expected at equal
strength. I think that if you were to repeat the tests, the results could easily
go the other way.

Roger

On April 13, 2000 at 09:25:49, Jorge Pichard wrote:

>I have seen different Websites and almost all have LG2000 2.5 rated second after
>Crafty Fallowed by AnMon 5.6 as the third rated Winboard program. I agreed so
>far with those rating, but last week I started to test the newer version of
>Gromit 3.0 Versus Lg2000 2.5 and against AnMon 5.06.  Either the testers were
>using a different processors than I was prodicing different result, or the
>setting and opening book were different, I used an AMD K6 II 500 Mhz and the
>result for Gromit 3.0 were much higher than either Lg2000 2.5 and AnMon 5.06.
>The time for the first test was set to game in 15 minutes per side using
>Winboard version 4.07 and the same computer with 128 Mb of RAM. Gromit Score
>28.5 games out of 50 against Lg2000 2.5 and 31 to 19 against AnMon 5.06. Now I
>was very upset simply because my favorite program Lg2000 2.5 lost to Gromit 3.0,
>but when I tested against Anmont 5.06, I finally realized that Gromit was way
>underated. Then I tested then once more increasing the time control to game
>in 30 minutes per side, and again Gromit 30 score this time the test was shorter
>only 30 games and Gromit score 16.5 out of 30 games against Lg2000 2.5 and
>against AnMon 5.06 Gromit Score 18 to 12. Now what is wrong with this picture?
>Gromit 3.0 clearly beat the crap out of the two leading programs in the Winboard
>rating list. Why does Gromit has such a low rating on all Winboard Rating List?



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