Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: crafty and BT2630 position

Author: Bernhard Bauer

Date: 00:28:07 05/12/04

Go up one level in this thread


On May 11, 2004 at 08:10:02, Jarkko Pesonen wrote:

>[D]r1b1kb1r/pp1n1ppp/2q5/2p3B1/Q1B5/2p2N2/PP3PPP/R3K2R w KQkq -
>
>solution: O-O-O
>
>Can Bob explain why this seem difficult for crafty?
>
>Is it because of
>
>  if (WhiteCastle (1))
>    score += EvaluateDevelopmentW (tree, ply);
>  if (BlackCastle (1))
>    score += EvaluateDevelopmentB (tree, ply);
>
>Crafty finds the solution in ply 11 if these are commented out.
>
>
>Jarkko

Which version of crafty did you use? With 19.13 I do not find O-O-O at ply 11 by
commenting out the above lines.
EvaluateDevelopment() takes some time.
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.