Author: Robert Hyatt
Date: 20:53:06 01/29/02
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On January 29, 2002 at 06:40:12, Albert Silver wrote: >On January 29, 2002 at 04:31:39, Jeroen van Dorp wrote: > >>Convecta claims to ave them (complete) on 9 CD's. Are there still some missing >>or so? >> >> >>http://store.convekta.com/shop_model.asp?gid=121&sView=Catalog >> >>J. > >A few piece combinations were indeed removed as they took up space for no good >reason. The combinations in question are King + 3 queens against King, King + 2 >queens + rook against King, etc. They represent no practical value to either the >user or the engine and removing them saves from 1-2 Gb of HD space. > > Albert They do have _some_ merit. If the engine probes after a capture takes it to 5 or less pieces, then you want to get a hit. If you omit some tables, some of the probes will fail, wasting time. And causing extra search. Yes a program should win KQQQK or KRRRK or KBBBK or KNNNK, but it helps to know _exactly_ how deep the mate is, to make the search as efficient as possible.
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