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Subject: Re: Shredder 5

Author: Stefan Meyer-Kahlen

Date: 02:17:24 11/17/00

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On November 17, 2000 at 04:29:40, Uri Blass wrote:

>On November 17, 2000 at 03:06:43, Stefan Meyer-Kahlen wrote:
>
><snipped>
>>Shredder 5 is being produced now, so if you are interested you will be able to
>>get it within a couple of days. I am very sorry for the delay we had, but I
>>think the work I did recently was worth the few extra days.
>>
>>There are many new features in Shredder, you can use multiple engines at the
>>same time, including winboard engines, and pair the against each other. Another
>>new feature is the “triple brain”, you can load any two engines into Shredder
>>and let them both analyse a given position. The “triple brain” will use their
>>search information to find out which program has a better understanding of the
>>position and will choose the move of that engine. This will also work during
>>games, so you are able to play against any combination of two chess programs.
>
>1)Is the tripple brain better or worse than one of the engines?(It leads to the
>question if shredder5 is the best program in the package or maybe it is possible
>to improve it by using the tripple brain of shredder5 and another engine)

It depends of the strength of the 2nd engine. With a second engine of Shredder's
strength the triple brain is stronger.


>
>2)Does the tripple brain give the engines equal time or does it decide which
>engine to choose after a part of the search?

The triple brain is doing the time management, the engines are just in infinite
mode.

>
>3)You say that the tripple brain will use the search information of the engines.
>In order to use the search information of the engines you need to know it.
>
>The only information that I get from programs without free source code is
>usually only evaluations,times,depth and main lines.
>Do you call this information the search information?

Yes, this is what I was referring to.

Stefan



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