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Subject: Re: Did someone try fixed depth tournaments?

Author: Georg v. Zimmermann

Date: 05:28:40 04/13/01

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On April 13, 2001 at 04:58:10, Uri Blass wrote:

>On April 13, 2001 at 04:51:42, Georg v. Zimmermann wrote:
>
>>On April 13, 2001 at 00:40:47, Uri Blass wrote:
>>
>>>It is possible to play gmaes at fixed depth under Deep Fritz.
>>>
>>>Did someone try to play tournament between engines at fixed depth in order to
>>>find out which engine earns more from getting more plies and if there is a
>>>diminishing return from bigger depth?
>>>
>>>I think that it will be intresting to have a rating list of the following
>>>programs:
>>>
>>>Deep Fritz(1 ply)
>>>Deep Fritz(2 plies)
>>>Deep Fritz(3 plies)
>>>...
>>>Deep Fritz(10 plies)
>>>Deep Fritz(11 plies)
>>>Deep Fritz(12 plies)
>>>Hiarcs7.32(1 ply)
>>>Hiarcs7.32(2 plies)
>>>Hiarcs7.32(3 plies)
>>>...
>>>Hiarcs7.32(10 plies)
>>>Gambittiger(x plies)
>>>Tiger14(x plies)
>>>
>>>You can add more programs like Nimzo8 or the latest chessbase version of Crafty.
>>>The rating of the programs should be based only on games between different
>>>programs so there should not be games between Deep Fritz(6 plies) and Deep
>>>Fritz(7 plies) because I remember that when Fritz6 played against itself people
>>>criticized the experiment and said that it does not prove diminishing returns
>>>from bigger depth.
>>
>>Same Program - Same Program is the only experiment that would make sense though.
>>You can't compare depth between different programs. I think that has been
>>explained before :)
>>
>>Regards,
>>Georg v. Zimmermann
>
>I agree that depthes of different programs are not eqvivalent but you can
>compare the rating of Deep Fritz(6 plies) with the rating of deep Fritz(5 plies)

Right. This would be interesting !

Georg



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