Author: Uri Blass
Date: 12:03:05 07/09/01
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On July 09, 2001 at 14:30:14, Mike S. wrote: >On July 09, 2001 at 14:05:25, Jeroen van Dorp wrote: > >>>For example, at this position can't see mate in two (without tablebases) either: >> >>Basically you state that it's strange behaviour of a chess engine not to operate >>properly if you disable one of it's key features? > >Disable?? Do you know the CB Tiger? > >I don't think he has disabled anything. TBs must be installed and configured >manually, in addition to the install process. Furthermore, you can't expect >every user to have all the 5-piece tbs (not even that everyone know what tbs >are...). So I assume the Rebel Tigers have the same problem. > >A top chess engine should *never* miss a mate in two. TBs or not, Nullmove or >not... > >I'm afraid we must call it a bug IMO. No There is a clear definition of a bug. It is a bug only if the program does a thing that the programmer did not mean. If the programmer says that the program is supposed to see every mate in 2 and it does not see it then it is a bug otherwise it is not a bug but a design decision. I believe that most top programs are not designed to see every mate in 2. Uri
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