Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: DeepBlue && SingularExtensions && !Nullmoving

Author: Gian-Carlo Pascutto

Date: 02:00:53 10/16/02

Go up one level in this thread


On October 16, 2002 at 03:47:01, Vladimir Medvedev wrote:

>In his online interview Mr. CrazyBird told that DB did not use nullmoving
>because it is not compatible with singular extensions. Could somebody explain
>what are "singular" extensions (which difference with general meaning of
>extensions technique? Are singular extensions used only for one move in the
>node, while "common" - for all moves from the node? )

Singular extensions means extending a move if it is the only 'good'
one in a position, for example if it is better than all other by
half a pawn.

>Why are they incompatible with nullmoving?

I have no idea what CB was thinking about. I use them, and
I use nullmove, and it works fine.

--
GCP



This page took 0.01 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.