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Subject: Re: Human rating differential compared to Computer vs. computer

Author: Matt Frank

Date: 13:38:55 01/29/99

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Diff W  L D
300  2 12
400  2 11 1
500    9

Out of the 2 wins and a draw at the 400 point differential, all 3 of them were
from up and coming young turks whose ratings are lower than their playing
ability. Of course, this is too small of a sample set to be taken seriously, but
it does support my theory.

KarinsDad

Huh? If they are up and coming turks then that means by definition that the
rating differetial is closer than 400, that does not support your contention,
does it? In fact at an actual, stable (if this is so) 300 pt difference you
would expect 8.5-1.5, at 400 9-1, and at 500 9.5-.5. Therefore at 300 the score
is dead on with 2 wins and 12 losses = Higher rated .857 to lower rated .143,
and for 400 pts diff, 2 wins and 11 losses and 1 draw we have Higher = .821 to
lower .179, and you have already told us why, and for 500 pts difference we have
9 losses compared to 9.5-.5 after 10, within the margin of error.

Matt Frank



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