Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Forward pruning question

Author: Bo Persson

Date: 12:47:20 12/05/02

Go up one level in this thread


On December 04, 2002 at 20:05:14, Russell Reagan wrote:

>Let me see if I understand what forward pruning accomplishes. I understand how
>it works. Forward pruning only reduces the time to depth (and nodes to depth),
>but it doesn't produce a more accurate score when searching to a fixed depth. In
>other words, if you had a choice of the two following options:
>
>1. 10-ply search using no forward pruning
>2. 10-ply search using null-move
>
>and all other things being equal, then choice 1 would potentially be the more
>accurate 10 ply result. Is this correct?

The problem is that these are not he choices in practice (game playing). So try
these alternatives instead:

1. 10-ply search using no forward pruning
2. 12-ply search using null-move

Now, which is the more accurate result?


Bo Persson
bop2@telia.com




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.