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Subject: Re: Should softwares have a white rating greater than a black rating?

Author: Oliver Roese

Date: 16:57:11 04/27/02

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On April 27, 2002 at 12:34:33, Gian-Carlo Pascutto wrote:

>On April 27, 2002 at 12:22:23, Jonathan Lee wrote:
>
>>During man vs. comp. I have seen more than 2/3 of the wins between white and
>>black from the human are from the white pieces.
>>
>>Obviously the ratings could be (white comp. rating > black comp. rating).
>>
>>I have seen Piket, Kramnik, Dreev, and very few other GM's in the top 100 in the
>>world have won as black pieces in slow games.
>>
>>Am I statistically correct or softwares are equally fallable at both sides of
>>the board?
>>Jonathan (150 CCC message)
>
>I'm not sure exactly what you mean, but white does have an advantage
>in chess, that is approximately equal to 35 rating points.
>
>This number is probably similar for computers.
>
>--
>GCP

Ken Thompson constructed once a new rating system for chess-professionals
and extracted these numbers from a huge amount amount of
gmgames.
So the advantage of white between lower rated player was not measured.
One can't compare the opening of lower rated players with that of
world-class players, there is huge difference.
I assume the advantage for white between lower rated
human players should be lower.

Since in comp-comp games you don't need to worry about missing data,
the need for a correction is not that much i think. Simply play another
game with twisted colors.

Oliver





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