Author: Bernhard Bauer
Date: 06:05:23 12/08/05
Go up one level in this thread
On December 08, 2005 at 08:53:06, K. Burcham wrote: >On December 08, 2005 at 08:01:05, James T. Walker wrote: > >>Rybka still trails Fruitz 2.2.1 by 21 Elo even though it beat Fruit by 27 Elo in >>head to head match. Rybkas main defeat so far came at the hands of Fritz 8. >>All my games are run with each program haveing their own cpu/book (except Rybka >>plays without book) and ponder on.Rybka is a great program but should have it's >>own "official" book. >>Jim > >with no book, it has been stated many times here that one must take the square >root of pi, divided by x(a-c2)-3x(a2)over 3.1285. Once this value is applied to >your results you will see that Rybka has an Elo of 2875 and leads your Fritz 8 >by 22 games. Of course Uri will adjust this just a little when playing two >programs, one with book and one without. > >kburcham Actually your formula is only an approximation, though I have too agree, a good one. The true value is not 3.1285 but square_root( square_root(96) ). However, that changes not too much. Kind regards Bernhard
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.