Author: Andreas Herrmann
Date: 09:41:09 02/02/01
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On February 02, 2001 at 09:51:17, Carmelo Calzerano wrote: >On February 02, 2001 at 06:44:47, Andreas Herrmann wrote: > >>If i work with exact- and upper bounds, sometimes my program Holmes spends the >>opponent a figure. > >Do you mean "gives pieces away", I guess? > >>If i only use lower bounds, this never happens. >>What could be the reason for this? > >A bug, of course... :) > >Are you sure you store/retrieve the depth (draft) correctly? Maybe you store >wrong drafts in the hash table, or retrieve them incorrectly... This could >happen in case of search extensions or razoring, for example. >Just an idea... >:-) > >Bye, >Carmelo Thanks for your tip, but that's not the problem, because such things i debugged very often in the past. My program checks the hash entry. I generate all possible moves and then i look if the move in the hash is a legal move, if not i don't use the hash entry, and i have a hash kollision. Normally i have about 0,1 to 0,3 percent of those hash kollisions. Andreas
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