Computer Chess Club Archives




Subject: Re: So is this a BUG in Fritz 7b?

Author: Uri Blass

Date: 15:51:44 01/30/02

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On January 30, 2002 at 17:18:21, Roy Eassa wrote:

>On January 29, 2002 at 16:13:45, Roy Eassa wrote:
>>in the following position Black can play ...Re6 and be in
>>very good shape (certainly not behind).  However, Fritz 7b evaluates this
>>position as being better for White by about 5 pawns:
>>[d] 8/8/1p1r1k2/p1pRN1p1/P3K1P1/1P6/8/8 b - - 0 2
>Re: So is this a BUG in Fritz 7b -- something that should be fixed?  Something
>that could easily be fixed without negatively impacting anything else to any
>measurable degree?

It is a design choice of the programmers
I know that I do not like this design but this design choice is used by
Fritz for years.

I cannot say more than it and cannot say that it is easy to fix the problem.
I know that things that seem simple to non programmers may be very complicated

I know that Junior4.6 and Junior5 did not consider underppromotions.
Changing it was finally done in Junior6 but it was not simple based on the


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