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Subject: Re: Shredder 7's "Triple Brain"

Author: Drexel,Michael

Date: 16:39:14 01/03/03

Go up one level in this thread


On January 03, 2003 at 19:15:03, Uri Blass wrote:

>On January 03, 2003 at 18:22:07, Stephen Ham wrote:
>
>>On January 03, 2003 at 18:15:27, Aloisio Ponti Lopes wrote:
>>
>>>On January 03, 2003 at 17:57:03, Stephen Ham wrote:
>>>
>>>>Dear Readers,
>>>>
>>>>Shredder 7 is advertised to have a "Triple Brain" and the wording suggests it's
>>>>an option for us to use.
>>>>
>>>>Fine, but my Shredder 7 instruction manual doesn't mention anything about it and
>>>>neither does the HELP index button and neither do any of the drop-down menu
>>>>buttons.
>>>>
>>>>Do any of you readers know how to activate the "Triple Brain" function?
>>>
>>>That's a feature for the UCI version of Shredder, not the Chessbase (Fritz-like)
>>>GUI. Usually it is an option listed in "Mode" menu. You'll have to choose which
>>>engines to load. Try for example Shredder + Ruffian, it seems to be a good
>>>combination!
>>>
>>>A. Ponti
>>
>>Dear Aloisio,
>>
>>Thanks for the helpful reply.
>>
>>What is your experience with the "triple brain" feature, Aloisio? Does it indeed
>>make the resulting moves stronger? I imagine that it must divide the total
>>allocated RAM by 1/3 each, so that means that there won't be many hashtables
>>available for long searches. Does that then mean it's only effective for faster
>>time controls?
>>
>>Thanks in advance for your input.
>>
>>All the best,
>>Stephen
>
>No
>
>I never tried it but I think that if it can be effective then it can be
>effective only at long time control because at short time control tactics is
>more important and 2 engines that run slower are going to see less than one
>engine.
>
>My opinion is that hash tables are not very important and doubling the hash
>tables is not supposed to increase the rating by more than 6-7 elo.
>
>I never tried the tripple brain but I understood that
>it may divide the hash only by 2
>
>My understanding is that
>There are 2 engines that calculates at the same time and the third thing is not
>an engine but some small program that decides based on the main lines and the
>score to which program to believe when the search is finished.
>
>I may condsider to try it because I am going to play in a correspondence
>tournament that begins in 15.1 as the 6th board of Israel
>
>I am going to play in the
>15th Olympiad - Preliminaries
>(2nd Email Olympiad)
>
>Preliminary Group 3
>(CCO15S3)
>
>It starts in 15.1
>
>It means that I may buy shredder7,Fritz8 and Tiger15 in the near future.

hehehe, and who is 'quadruple brain'? movei? Uri?

>
>Uri



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