Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: The Centrality Perturbation to Move Selection Order

Author: Don Dailey

Date: 18:46:23 01/30/98

Go up one level in this thread


You may want to avoid sorting near quies nodes.   You can do more and
more
calculations closer to the root.

- Don


On January 30, 1998 at 04:21:46, Simon Read wrote:

>On January 30, 1998 at 00:33:32, Stuart Cracraft wrote:
>
>SC> So recently, I added a centrality perturbation that
>SC> added 15 minus the taxicab distance from the move's
>SC> destination square to the center of the board (chosen
>SC> as E4 since I wanted to avoid real arithmetic to 4.5.)
>-->
>Easy. Take the square coordinates, multiplied by two,
>so e4 comes out as (10,8)  then compute distance from
>(9,9). Ergo: only integer arithmetic.
>
>Simon



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.