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Subject: Re: With tablebases play programs stronger!

Author: Kevin Strickland

Date: 21:22:30 04/24/02

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>Not convincing.  Play 1000 games of some program with tablebase files against
>the same program without.  The tablebase provides perfect accuracy, but slows
>down the search.  Les Fernandez did a long experiment and found that the result
>was a push -- neither stronger nor weaker.  Of course that was for the program
>crafty only, so your actual mileage may vary.
>
>On the other hand, tablebase files do make programs play much prettier chess.
>And they may help weak programs a lot (if they can make it that far).

I am finding the same. There is no difference in playing strength with Crafty
with or without tablebases. I have not lost a single rating point on ICC since
not using them. With Tiger the rating dropped slightly, but I think that is due
to everyone there so used to playing Tiger's their books are very learned to the
playing style.

Using a PIII 550 I was able to maintain a 2799 rating using Crafty. It has since
dropped 50 points when I switched to Tiger. The account plays everyone within
800 points of it's current ranking. Seek out Somnus(C) on ICC to see it's
current rating.

As you have said I noticed little to no difference at all in playing strength.
Uri I guess you were right, and I must eat my words.



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