Author: José de Jesús García Ruvalcaba
Date: 11:25:02 09/27/02
Go up one level in this thread
On September 26, 2002 at 10:20:48, Uri Blass wrote: >On September 26, 2002 at 09:33:37, Albert Silver wrote: > >>On September 26, 2002 at 09:11:48, Bernhard Bauer wrote: >> >>>On September 26, 2002 at 09:03:14, Andreas Guettinger wrote: >>> >>>>In general I agree that TB should be used and do the work for the engine >>>>wherever possible, but KRxK? Hey that's the basics! Even my cat can win that! :) >>>> >>>>Andreas >>> >>>That means your cat dosn't make use of the nullmove heuristic. >>>If you teach your cat how to use nullmove it may no longer win that! >>>Bernhard >> >>Don't just about all of the top engines use nullmove? Funny that I never heard >>of one of them not being able to mate with K+R vs. K >> >> Albert > >1)I am not sure if they use it in K+R vs K >2)I suspect that not every use of null move in K+R vs K is going to lead to a >draw. > >Null move pruning means pruning position with no threat and if the position when >the side with the king is in zunzwang are positions when there is a threat then >it means that they are not going to prune them. > >Uri >Uri Hi, in general it is not posible to win KR vs K if the side without the rook is allowed to pass. José.
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