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Subject: Re: Do "settings" have sense for strenght purpose ?

Author: Ryan B.

Date: 17:49:07 10/06/05

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I was supprised to find that Beowulf is very strong on fast 64 bit hardware.  I
don't know if it is the speed or the 64 bit long that makes it so much better
than it used to be for me but I am impressed.

On October 06, 2005 at 17:36:22, Dann Corbit wrote:

>On October 06, 2005 at 17:28:04, Maurizio De Leo wrote:
>
>>Lately I have seen a lot of suggestion for "tweaking" engines.
>>First there were the Chessmaster and Rebel personalities, then Dr. Wael Deeb and
>>Sandro Necchi proposed a couple of Shredder settings, and lately even Uri
>>suggested some option for increasing the strenght of Fruit.
>>
>>My question is: are these settings really useful as long as playing strenght is
>>concerned ? I am sure they are useful for changing the play style or enhance the
>>aggressiveness (like with the different ChessTiger "levels")...but recent CEGT
>>test seems to indicate that they don't have a big effect on ELO.
>>
>>http://www.husvankempen.de/nunn/ranglisteall.html
>>
>>Shredder 9 eccentric seems to be weaker or at most at the same level as default.
>>Even for CM (with dozens of personalities and hundreds of tests, starting from
>>CM8000) the most tested settings are still in a confidence range overlapping the
>>confidence range of the default. Realistically the improvement will be under 30
>>elo.
>>
>>So....do you think that different setting can be useful for development of
>>engines or they are just another way to have fun with computer chess ?
>
>The authors of the engines will have spent a lot of time trying to find optimal
>settings.  But you might be able to beat it.  So some people make a hobby of it.
>
>The CM fans seem to have the largest stable of settings freaks, for whatever
>reason.
>
>The open source program Beowulf has a large number of user-settable parameters.



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