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Subject: Re: a bug in all the chessbase engines in changing the contempt parameter

Author: blass uri

Date: 10:11:36 09/02/99

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On September 02, 1999 at 12:53:26, Keith Kitson wrote:

>On September 02, 1999 at 12:32:49, blass uri wrote:
>
>>I cannot change the contempt parameter of Junior,Hiarcs or crafty
>>to more than 200(2 pawns).
>>
>>If I try to change it to 300 the interface changes it back to 200.
>>
>>I consider it as a bug because I see no advantage of it.
>
>I understand what you are saying here, but this restriction cannot be considered
>to be a bug.
>
>It is a restriction in the use of the program.
>
>A bug, IMHO is a problem that has not been catered for in the code and leads to
>an error being performed in the program.  There is no error being performed
>here, the program still continues to work and it is obvious from the action of
>the program that the author intended no greater value than 200 to be accepted in
>this field.
>
>The very fact that the system converts any setting higher than 200 back to a
>maximum of 200 indicates that a line or two of code has been entered to ensure
>this is done.  Or a range paramter has ben set to effect the same result.
>
>What is more concerning for me is the fact that I found no guidance in the
>manual or in the on-line help to indicate valid values for this field.
>
>This in my opinion is an ommission and should be catered for.
>
>Just following this line of thought a little further there may be a restriction
>of 200 as they found the play of the program unacceptable for values above 200.
>This is only guess work now.
>
>It may be pertinent to email the author with your query.
>
>If your main reason for having the flexibility to adjust the contempt factor
>over a wider range is to weaken the program then I suggest you visit drunk,
>patzer or moron, the playing styles aptly match the description in m y
>opinion..:-)) (these by  the way are handicap styles that have been pre-defined.

no.
The reason that I want to have the option to change the contempt factor is for
analysis.
I want to see if one side can force at least a draw.

I cannot be sure that a position that the program evaluates as advantage of more
than 2.00 pawns is at least a draw and I want to see what is the evaluation and
the move when one side try to avoid draws.

Uri



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