Author: Shep
Date: 07:14:44 06/07/99
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On June 07, 1999 at 04:07:10, Jouni Uski wrote: >How is it done without hurting search speed? E.g. with Mchess 7 You cannot >really use dynamic TB access beacause it decreases NPS to fraction! Actually, it does hurt sometimes. For example FIN09 from LCT2: This is found by Hiarcs 7.0 in 14:36 on my machine, so you would expect H7.32 to find it in 11-12 minutes. However, it does not find it in 20:00 with tablebases. Either this is a result of decreased search speed or just another one of the TB mysteries... BTW, MChess' way of accessing the TB's is probably rather unefficient; Marty himself labeled it as "experimental". Crafty does much better in that regard, and I suppose Hiarcs is also using much more efficient code. (Actually, it even works fine from CD! Unless you have a very special position of course where Hiarcs can easily hit in excess of 1000 probes per second...) --- Shep
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