Author: Matthew Hull
Date: 14:40:50 05/28/05
Go up one level in this thread
On May 28, 2005 at 16:51:54, Steven Edwards wrote: >On May 28, 2005 at 15:46:44, Matthew Hull wrote: > >>I'm curious -- do you do any game post mortems? I've seen several games where >>GNUChess 5.07 (notalent) is down in score to Symbolic in the middlegame, by >>sometimes more than 3 pawns, yet it seems to recover and win later in the game. >>I guess this is where the speed difference is showing (700 MHz vs. 1400 MHz), >>and Symbolic is getting significantly outsearched when the pieces start coming >>off the board. > >Some of this is just chance, and some of it recently was due to a (now changed) >tablebase probe trigger algorithm that was causing Symbolic to spend too much >time on disk probes. This may need some more adjustment; however, it's only a >toolkit issue and will have no effect in the cognitive search with a target of >only 1,000 position nodes per search. > >I also note that Gnuchess still has the ply limit overflow problem that causes >it to hang in some KPK endgames. It will lose a game on time but will be >awarded a draw due to the opponent's lack of mating material. I wondered why it did that sometimes. I may try to figure out how to fix that. Thanks for the tip.
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.