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Subject: The strength rating is a non-trivial problem!

Author: Rolf Tueschen

Date: 04:12:35 06/12/05

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On June 11, 2005 at 15:51:27, Robert Hyatt wrote:

>Actually the rating of Chess 4.x ought to be reasonable, because it was _not_
>based on playing other programs.  It was a pure USCF rating earned by playing in
>tournament games, just like we did with Cray Blitz, and like Hsu, et al did with
>Deep Thought and Berliner with HiTech.

This is wrong science applied.

1. the expression "pure USCF" is misleading because it's about the performance
of an alien among human chessplayers; aliens dont have "pure" USCF ratings and
this is also why machines were banned from such tournament play

2. the fault is in the assumption that playing against a machine is the same in
terms of chess as if you would play a human player - which is apparently not so

3. the game of chess played by human chessplayers is based on experience of
human chess; a good chessplayer can play against everything a human could offer;
machine chess is something different and without experience it's beyond any
rating attempts

4. if you play machines you must use other experiences; you should play against
the machine, and not against the chess as if played by a human

[The same fault is in the statistic if seldomly a strong woman player appears in
tournaments; we all know about the sub-conscious of male chessplayers; now
playing a woman is a differet experience; this is also why such a strong female
player like Judith Polgar for example has a highly exaggerated score, simply
because males didn't play really dirty on her, which would be judged as unfair
sports BTW; to get the difference just take the famous Kasparov vs DB2m we
already discussed so oftenly; Kasparov was not prepared to meet the team playing
dirty; say what you want about contracts, the dirtyness is lying in some trivial
details, you know well from your own life experience; even we two are a good
example for the existence of such existent details: we can talk in a friendly
manner like this but let us begin a debate about death verdicts and such some,
we could quickly end in some virtual verbal massacre - dont you think so? BTW
best regards to you from Germany]



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