Author: Ricardo Gibert
Date: 18:39:19 06/03/02
Go up one level in this thread
On June 03, 2002 at 00:26:35, Uri Blass wrote: >On June 02, 2002 at 23:51:30, Russell Reagan wrote: > >>On June 02, 2002 at 05:37:27, Uri Blass wrote: >> >>>Junior does not use a null >> >>First, I'd like to know how do you know that? Like if you saw it in a post, or >>asked the authors. > >I remember it from Amir Ban's words. > >> >>Second, do you know what it uses instead of null move? Surely it must use some >>pruning technique to get such good search depths. > >I do not know exactly the pruning techniques that are used by Junior but I know >that the depth that Junior says is not brite force depth and usually Junior >search only 1/2 of the depth that is written. > >Most moves are considered as depth 2 by Junior based on my knowledge but >important moves may be considered as depth 1(good captures or threats) >> >>Uri, you always seem to know these little factoids about engines, and I find >>them very interesting. Like how Tiger uses the "filter" pruning technique. That >>is also very interesting. Now I'm curious. Just what is the "filter" pruning technique? > >I know because I read CCC for years. > >Uri
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