Author: Vincent Diepeveen
Date: 11:21:16 10/04/02
Go up one level in this thread
On October 04, 2002 at 11:48:06, Omid David wrote: How many times must i say the same thing? Suppose i have 200 patterns to adjust my score. Now 1 pattern can undo all those 200 patterns. I'm then either an idiot then to have those 200 patterns, or to use that one pattern, if it is in 50% of the cases wrong. Even if it is in 80% of the cases right :) >On October 04, 2002 at 11:34:39, Vincent Diepeveen wrote: > >>On October 04, 2002 at 11:26:51, Omid David wrote: >> >>slowing down the search is not the problem. the problem i >>explained in email to sargon > >So I assume the problem is that it's not 100% reliable, and may return >inaccurate estimates. Right? > > >> >>>On October 04, 2002 at 11:22:05, Vincent Diepeveen wrote: >>> >>>>On October 04, 2002 at 10:34:43, Omid David wrote: >>>> >>>>had fritz implemented such a scheme it would play 300 points weaker >>>>anyway. >>> >>>It depends on how you implement it without slowing down the search >>>significantly, and that's what I'm currently working on... >>> >>>It's obvious that applying the whole heuristic on each and every node is too >>>expensive. But a wise application of it, could detect many draws without any >>>significant impact on the total speed. >>> >>>Omid. >>> >>> >>>> >>>>>Just today we had a discussion regarding the importance of blockade draw >>>>>detections http://www.talkchess.com/forums/1/message.html?255950 >>>>> >>>>>Had Fritz implemented such a scheme, it wouldn't have stepped into the drawing >>>>>variation. >>>>> >>>>>My engine instantly announced draw based on its blocked-draw detection >>>>>heuristic. While Fritz never realized the draw... >>>>> >>>>>Omid.
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