Author: Robert Hyatt
Date: 19:09:12 10/05/99
Go up one level in this thread
On October 05, 1999 at 16:36:59, William Bryant wrote: >When updating the history for a move that has generated a cutoff, >what value to people use. > >Do you use ply or some function of ply which means that the closer you are to >the leaves, the greater the value being used for updating? >ie: History[from][to] += ply; > >Do you use depth or some function of depth which means the closer you are to the >root, the greater the value being used for updating? >ie: History[from][to] += ply; > >Or are there other values being used. > >Thank you in advance. > >William >wbryant@ix.netcom.com The latter. because good moves at the root are more reliable good moves than those near the leaves... I use depth*depth I think, but even better is 1<<depth. the problem with that is 32 bit counters get ripped instantly if you can do a deep search.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.