Author: Grzegorz Sidorowicz
Date: 05:47:22 11/08/02
Go up one level in this thread
On November 08, 2002 at 08:38:59, Matthias Gemuh wrote: >On November 08, 2002 at 08:33:02, Matthias Gemuh wrote: > >>>So you have >>> >>>if(alpha<=INF-QVALUE) >>> >>>And I presume you store mate scores as INF-depth_to_mate to head for shorter >>>mates. And I also assume that you use 900 as QVALUE. So I don't understand a all >>>what the above should do. if(alpha<VERY_LARGE_NUMBER) don't_extend. It looks >>>like you are more or less disabling extensions in allmost every node. And when >>>you enable them the position is allready very good (alpha>INF-900). I'll read >>>your other reply (you posted code there) and answer to that. I still just don't >>>understand the logic. >>> >>>Severi >> >> >>I think he is saying "if this node is so bad that it is even a good candidate >>for being pruned away, why waste time taking a closer look ?". >> >>/Matthias. > >if(alpha<=-INF+QVALUE) :))))))) Currently I see my error :) Thank you for all Maybe my program play better without extension :))) it is possible :))) Grzegorz
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.