Computer Chess Club Archives




Subject: Re: Crafty CCT6 notes

Author: Uri Blass

Date: 07:41:05 02/02/04

Go up one level in this thread

On February 02, 2004 at 10:20:37, Robert Hyatt wrote:

>On February 02, 2004 at 09:58:14, Uri Blass wrote:
>>On February 02, 2004 at 09:42:31, Robert Hyatt wrote:
>>>On February 02, 2004 at 06:51:46, Vasik Rajlich wrote:
>>>>Congratulations on the victory.
>>>>Also some food for thought in the selective search vs brute force search debate
>>>>- maybe with great hardware and a longer time control, a fast brute force search
>>>>re-enters the picture as a promising option.
>>>It has never left the picture.  :)
>>null move pruning is kind of selective search.
>>I do not know of top programs that do not use selective search today.
>I assumed he was talking about pure selective search, which is forward pruning.
>I'm not doing that.  However, I did run with the FUTILITY stuff turned on and it
>ran just fine, but rather than pruning that just does depth reduction.

I consider depth reduction as pruning.
If it is no pruning then except null move I do not pruning.

There are no moves that I never search independent of the remaining depth except
cases of being 100% sure about the result(in KB vs K I do not search but return


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.