Author: Tord Romstad
Date: 09:54:25 07/28/04
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On July 28, 2004 at 12:36:13, Stuart Cracraft wrote: >On July 28, 2004 at 12:25:32, Tord Romstad wrote: >> >>It is probably not a good idea to use ETC close to the leaves. I use it >>only when the remaining depth is at least 4 plies. >> >Thanks -- I have heard 2 instead of 4 but will experiment. Yes, you obviously have to experiment in order to find out what number works best for you. The reason that my number is as big as 4 could be that I prune a lot of moves in the last few plies. >My makemove is cheap so no problem there. (I wish it were >expensive since then my program would be smarter.) > >Do you use MTD(f) with ETC? Yes. >If so, what is your observation? In my experience, it reduces the number of nodes searched by something like 10-15%. As always, YMMV. Tord
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