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Subject: Re: Ruffian played exdactlly like Fritz 6 old (PGN) !!!

Author: Andreas Herrmann

Date: 17:43:18 09/23/02

Go up one level in this thread


On September 23, 2002 at 19:55:27, Axel Schumacher wrote:

>On September 23, 2002 at 18:59:51, Dann Corbit wrote:
>
>>On September 23, 2002 at 18:51:29, Eduard Nemeth wrote:
>>
>>>On September 23, 2002 at 17:59:35, Dann Corbit wrote:
>>>
>>>>There is zero chance that Ruffian is a copy of Fritz 6.  None at all.
>>>>
>>>>Fritz 6 does not play under Winboard.  Ruffian does.  Nobody has the Fritz 6
>>>>code except the original author.
>>>>
>>>>Not even any sort of slight, remote chance is involved.  You are barking up the
>>>>wrong tree.
>>>>
>>>>To show that two excellent chess programs make similar moves is hardly damning
>>>>evidence.  In fact, I would strongly suspect it.
>>>>
>>>>After all, most programs agree on most of the positions in WAC.
>>>
>>>I have not says that Ruffian is exactlly an Fritz 6. But when I test (se game
>>>too) also I cannot find an Program that also (german: ähnlich) play like on
>>>Fritz, but Ruffian does.
>>>
>>>I say not, that Ruffian is Fritz, but he have some "chesscodes" like Fritz!
>>
>>Perhaps (then) Fritz was used to tune Ruffian.  One thing for sure, Fritz code
>>is not included in Ruffian.
>>
>>>I cannot belive that Ruffian is am famos "new" strong program. But this is
>>>only my opinion and I post some analyses!
>>>
>>>Eduard
>
>If there is some code of another program, than it should be one program with a
>similar architecture (e.g. the use of cfg-files etc..)
>Similar programs are:
>Sachy
>Gromit
>Beowulf/Horizon
>Bestia
>Knightx
>Lordking
>Only Gromit is strong enough that the idea is possible, that some code was
>stolen from it. I don't believe so.

AFAIK the new Gromit 3.xx version is build out of a source code frame from the
TcBishop author Remi Coulom. So perhaps some of the other authors have used the
same source code frame from Remi.
But that has nothing to do with clones. As far as i know it is only a source
code with basic functions like wb interface, tb access and such things.

have a nice day
Andreas


>The biggest similarities to Ruffian I could reproduce with Crafty 18.15 (In
>games aginst each other, the eval is about 99% identical on my computer). But it
>as unlikely, that Ruffian is a Crafty clone as it is unlikely to be a Fritz
>clone.
>Have more trust in the program skills of the author.
>Axel



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