Author: Peter Kasinski
Date: 11:45:15 01/23/01
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On January 22, 2001 at 15:54:32, Robert Hyatt wrote: >On January 22, 2001 at 12:52:04, Peter Kasinski wrote: > >> >>I am trying to understand the impact of _not_ having some of the tablebases on >>programs like Crafty or Deep Fritz. Loading K+Q+Q+R vs K on my hard disk seems >>almost frivolous. Would it weaken the program if some of these _clearly always >>won_ cases were not present? >> >>thanks, >>PK > >It is better to have _all_. Crafty calls Eugene's probe code when the number >of pieces on the board drops to some value (5 if you have any 5 piece files >available). If you don't have that file, I call his code, he returns "failure" >and we keep searching. If you have them all, then _every_ call will be >successful and it is more efficient... I understand. But in that case, how about the current 6-man files. Does it make sense to use these at all? As soon as Crafty reaches that stage it will start probing the 6-man tablebases - which at this stage will be a futile attempt in _most_ cases... Am I right? thanks, PK
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