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Subject: Re: SSDF Fritz 5.32 MMX - CT 2004 A1200 Ended: 13-31

Author: Dann Corbit

Date: 10:31:33 12/03/04

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On December 03, 2004 at 10:10:08, Eduard Nemeth wrote:

>Plese let play CT against Junior 8, Fritz 7 or Shredder 6 on Athlon 1200 or
>HIGHER!! - and not more against an P2 200 MHz. No interesting for the
>computerchess community I belive!!
>
>##################################
>[Event "SSDF 120'/40+60'/20+0'0. "]
>[Site "palp.gbg"]
>[Date "2004.11.17"]
>[Round "1"]
>[White "Fritz 5.32 P200MMX"]
>[Black "Chess Tiger 2004 A1200"]
>[Result "0-1"]
>[ECO "D85"]
>##################################
>
> No non non no................

This is a fundamental misunderstanding of mathematics.  Fritz 5.32 is one of the
best possible opponents if we want to know how strong CT is.  The more games the
program has played, the more clearly we understand its strength.  We know the
exact strength of Fritz 5.32 MMX very, very well.  And to play against opponents
of dissimilar strength is also very helpful in understanding the true ability
(unless the difference is grotesque).

Think of the opponent chess programs as measuring devices.  Some of them will be
like a rope with knots tied in it, some like a yardstick and others like a
micrometer.  The more games a program has played, the closer to a micrometer it
is.  The fewer games it has played, the more like a rope with knots tied in it.
The best programs to find the true strength are the ones with the most games.

And (I believe) that random fluxuations are far more troubling in programs of
nearly equal strength.  In such a situation, the "bad runs" of a coin toss
experiment can come into play.  But if you play an opponent that is of higher or
lower strength (at least 100 Elo) such an effect must necessarily be of lesser
importance.

So I think the choice of opponents was an excellent one.



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