Author: Ed Schröder
Date: 07:49:36 01/25/01
Go up one level in this thread
On January 25, 2001 at 08:41:54, Gian-Carlo Pascutto wrote: >On January 25, 2001 at 08:20:26, David Rasmussen wrote: > >>Howdy. >> >>Inspired by the thread on extensions, I was wondering whether the idea of >>negative extensions or reductions could be a good one. >> >>I mean, maybe many of the "unsound" pruning methods would be sounder if, >>instead of just pruning, they just adjusted the resulting depth down. In that >>way, a line would still be examined, only later. > >This is often called razoring. Heinz describes it in his articles >together with futility pruning. Robert used it for some time but >ditched it awterwards. I still use them, I know Amy uses them also >and probably several other programs. Razoring is something else, it cuts the tree, like a hash table hit. Ed >-- >GCP
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.