Author: Amir Ban
Date: 11:06:33 07/27/03
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On July 27, 2003 at 13:51:28, Sune Fischer wrote: > >I've been trying some different hash schemes, and the one >that should be the best completely fails to solve a few positions. > >Currently I use two tables, one of the criterias is to replace if it is the >same key (so I don't get the same key in both tables, same philosophy as with >killers moves), but only if the depth is greater or equal. > >For some reason this fails on fine70 and similar positions. >If I do always replace on top of _the same_ key, then it works fine!? >I don't see the logic in that, and I'd really prefer to keep the deeper entry, >obviously. > >Could this indicate a bug, or can it be explained/fixed? > >Currently I'm trying replace if LOWER bound (beta cut) or deeper, seems to work >well also, I still don't get it though. > >-S. I observed the same. The reason seems to be that the deepest result is often useless in producing cuttoff/narrowing due to wrong relation/score. Amir
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