Author: Rémi Coulom
Date: 07:46:34 06/02/02
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On June 02, 2002 at 05:37:27, Uri Blass wrote: >On June 02, 2002 at 05:02:36, Rémi Coulom wrote: > >>null move may fail to solve zugzwang positions correctly >> >>Rémi > >Junior does not use a null move and even programs that use the null move do not >use it in evcery position and they may have some zunzwang verification. > >I think that you assume here too much. > >I think that there are different reasons that may prevent them to solve problems >without tablebases. > >One reason is if there is a limit on the depth that they search but it is >dependent on the programs and we can make generalizations about every program. > >Uri Of course, it depends on the program. I remember that there have been many positions posted in this forum, where Fritz failed to solve a trivial problem because of null move. There are many ways to prevent this, of course, and I suppose that many other programs that do the null move do not have this problem. Rémi
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