Author: Robert Hyatt
Date: 20:09:17 03/13/04
Go up one level in this thread
On March 13, 2004 at 15:51:12, Uri Blass wrote: >I redesign my alphabeta and I think to start my alphabeta by trying null move >because checking for repetition or for hash cut off can be done at the end of >alpha beta. > >When I look at Crafty's code I see that Crafty starts not with null move but >with checking for repetition and hash. > >My question is if there is a soecial reason that I do not understand that Crafty >does it. >It seems to me a waste of time to call alphabeta with all the parameters when it >can be avoided. > >Uri Simplicity, nothing more. You can take the code from the front of search and move it into the MakeMove/UnmakeMove loop. I don't think there is enough difference to measure. Procedure calls are not expensive. Most of the time the repetition check fails anyway.
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.