Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: How to stop repeated lines

Author: Robert Hyatt

Date: 14:47:09 09/26/01

Go up one level in this thread


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.



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.