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Subject: Re: Odds of ratings drift being 196 poinys off of Fide ratings?

Author: Dann Corbit

Date: 19:32:24 11/29/99

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On November 29, 1999 at 22:21:58, Stephen A. Boak wrote:
[snip]
>The only true test is to pit many top programs many times against many top
>humans, under reasonably controlled conditions.

I think this is an especially important comment.  That is because not only do
the programs play differently, but also the humans.  In a match not too long
ago, Judit Polgar faced a computer.  Many people thought Polgar would clean-up,
since she is so strong tactically.  I think that is exactly why she did not do
as well as expected.  Her area of strength is exactly the same as the computers,
and computers are better at tactics than most GM's even (I think) except in rare
cases like Zugzwang which a GM will see but some programs will not.

On the other hand, a great strategic thinker will probably pose problems for a
computer.  Similarly someone who is a master of closed positions.  Also someone
who is effective at deep sacrifices (such that the 10 ply or so the computer
will see is not far enough to see the benefit).  So a single GM against a single
computer program is not as telling as a mixture.



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