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Subject: Re: Hiarcs 7.32 Scores better on the Hedlund test than Junior 7

Author: Joshua Lee

Date: 13:51:28 03/15/02

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I like the idea of longer time controls but i think their should be more games.
4 games in rebel's instance is rediculous. Anything can happen in 4 games, Also
the more games the more statistically accurate the performance rating.

Also I am not impressed with Chess Tiger beating a couple of people with an
average rating UNDER 2450!!!  Just because it got 2700+ doesn't mean it would =
a GM norm as the average elo was nowhere near as high as it needs to be.

Junior got a norm atleast if FIDE would acknowledge it. However 9 games is not
enough either to tell anything. For instance IF the SSDF rating list is accurate
Junior should've been higher and counting the difference 450Mhz to 4130Mhz it
should be 180 elo higher than the rating they gave Junior 6 on a 450, but it is
not. So someone's ratings are wrong it's either FIDE, SSDF, or whoever said that
for every trippling of clockspeed you get 90elo.

Another thing to note is that Junior and Rebel lost to 2600+ rated players, that
means in those games it played like a 2200+  And back to Chess Tiger it's
opponents statistically would hardly ever win a game against someone 2700+
And this rating would NOT stay the same if 20+ games were played.

I don't know how many games shrink the margin of error to where we can as
accurately as possible say yep this program will always be 2700 or 2500, but i
tell you what  4 games is not the correct answer. Rebel did do something
impressive ,it did play more than enough games but the clockspeed's were
different. If someone could point out the most games on the same system that
would be appreciated. It did score over 2400 but as i said before this rating
suffered because not all opponents had the fastest computer opponent at the time
some were on 300Mhz some 500 etc.

I know you believe Deep Blue to be weaker than Fritz, What about it's
performance in 6 games 2800+ If that rating is accurate Fritz would be
underrated. You had said if the two were on equal hardware, well what would be
good enough for Fritz to Search as needed to be at the level of DB?

Lastly, I think FIDE and USCF have the Minimum rated games to get a rating for a
reason. So People don't get an inaccurate rating same SHOULD apply for the
humans versus Computers just for fairness.



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