Author: Marc van Hal
Date: 09:08:41 11/19/01
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On November 18, 2001 at 17:15:45, Uri Blass wrote: >On November 18, 2001 at 16:48:08, piet de hoop wrote: > >>On November 18, 2001 at 15:54:23, Marc van Hal wrote: >> >>>On November 18, 2001 at 10:03:15, piet de hoop wrote: >>> >>>>The next position occured in Diep versus Rebel Century 4 round 6 of the Dutch >>>>Open Computer Chess 2001 >>>> >>>>[D] 8/6p1/3k3p/8/3K4/7P/8/8 b - - 0 43 >>>> >>>>The result was a draw, but for some computerprograms I tried, the evaluation was >>>>from -1 to -3.4 pawn. (Fritz 6.0, Crafty,Yace) >>>> >>>>I expect that programs equipped with the right pawntable base have no problem >>>>with this position, but i expected that programs without these tablebase while >>>>calculating over 30 plys or more should give the right evalution? >>>> >>>>Or do i miss something? >>>> >>>>Piet >>> >>>I think you mis something important here >>>Todays decent chessprograms use table bases so the chance that such a program >>>does not comeup with the right answer here is zero. >> >> >>Ok,but there are still decent programs that don't use the table bases. >> >>Anyway this is relatively an "easy ending", it is just counting. >> >>And when a program doesn't have the knowledge of this kind of ending, it just >>evaluates it as a positive ending way before in the search tree and it will >>exchange all the pieces just to go for it and discover in the end it is a draw! >>While in case it has knowledge about it, it won't exchange pieces and try a >>different route for a possible win. >> >>Piet > >You are right in the case that the program does not use tablebases but today all >the top programs use tablebases including the KPP vs KP and not only in the >root. > >Uri I actualy said that all decent program did use table bases because Rebel Century 4 would use them too Or did I understand this wrong?
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