Author: Daniel Shawul
Date: 02:06:03 05/13/04
Go up one level in this thread
On May 13, 2004 at 04:34:36, Volker Böhm wrote: >Hi, > >if (r_beta == 4,75) and the real score is 10,00 the fail-soft score can be >anything between 4,75 and 10,00. > >Any returned value >= beta will immediately result in a cutoff and return the >current best score. The alphabeta algorithm will not check if there are other >moves with higher score. > >Thus in your example at some ply there is a move tried first that returned 4,75 >and the best move which would return 10,00 is never checked. That's is a fine explanation. But whatever margin i use 2.0 , 2.33, 3.45 etc the score i get is always (beta + margin). Does this mean there is a (beta + margin) score somewhere in the tree?? > >Greetings Volker
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.