Author: Uri Blass
Date: 14:52:03 09/26/01
Go up one level in this thread
On September 26, 2001 at 17:47:09, Robert Hyatt wrote: >On September 26, 2001 at 14:27:51, Gian-Carlo Pascutto wrote: > >>On September 26, 2001 at 14:17:49, Uri Blass wrote: >> >>>I guess that another possible easy way for beginners is random changes in the >>>evaluation by not more than 5%. >>>If you change the value of the pawn from 1 to +1.05 the program may have a good >>>chance to play a different move and the game is not going to be the same. >> >>The problem of this is that it may make the search instable. >> >>Georg v. Zimmerman had a nice trick here: before starting the search, >>change the piece-squares a bit randomly. It gives the same effect but >>is much more stable. >> >>-- >>GCP > > >That also means you can't keep the transposition table scores from the previous >search or you will have _lots_ of debugging fun. I think that it is better simply to do it not before every search but only before every game so you do not have this problem. Uri
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.