Computer Chess Club Archives


Search

Terms

Messages

Subject: Trivial alfa-beta question

Author: Jouni Uski

Date: 10:30:09 02/18/06


The book "Schach am PC" from 1995 says, that alfa-beta reduces evaluated
positions with 5 * sqrt (positions). Also some example values are given
like:

         positions      alfa-beta positions
8 ply    6.5e12         13e6
9 ply    2.6e14         80e6

Are these values outdated? Has there been significant improvements later? I
think today's engines get x plys with much smaller nodes.

Jouni



This page took 0.1 seconds to execute

Last modified: Thu, 07 Jul 11 08:48:38 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.