Author: Peter Fendrich
Date: 09:46:20 09/16/99
Go up one level in this thread
On September 16, 1999 at 05:18:42, Bas Hamstra wrote: - snip - >History: > >(I never used it) > >A table of counters, used for movesorting. You use a table History[From][To] to >keep track of the number of beta cutoffs for each move [From][To]. And use that >to improve the probability of a cutoff (as you do with killers). If you already >use more than 1 killer I have the impression History doesn't give much extra. > I don't agree with you here. My implementation of killer table only has effect on local parts of the tree. For each new path the killer moves are cleared. The history table is covering all of the tree and really improves move ordering in some nodes. Normally there is no big overlap betwee the two. //Peter
This page took 0.01 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.