Author: Uri Blass
Date: 11:56:05 03/17/01
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On March 17, 2001 at 14:48:05, Chris Hull wrote: >On March 17, 2001 at 13:38:31, Uri Blass wrote: > >>On March 17, 2001 at 13:04:29, Antonio Senatore wrote: >> >>>It seems incredible that a top chess program like Junior 6 (without the KPPKB >>>tablebase but with the KBK and the KBKP tables) CAN'T SEE MATE IN ONE in the >>>next position: >>> >>>7k/4pK1p/7B/8/8/8/8/8 w - - >> >>It is not a bug >>It is a design decision by the programmer. > > >A bad design decision is even worse than a bug. A bad design is >almost always much harder to correct than a bug in the program. In this case there is an option to change the engine parameters in order to correct the problem. The design decision is not bad if you look at the rating of the program because it never or almost never lose points because of the problem of wrong draw evaluation and the demage is probably less than 1 elo when the benefit from faster search when the draw evaluation is correct is bigger and I guess it may be 5 elo rating points. Uri
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