Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Null move R=3

Author: Antonio Dieguez

Date: 12:40:34 08/12/01

Go up one level in this thread


On August 11, 2001 at 03:40:20, Tony Werten wrote:

>On August 09, 2001 at 17:20:26, Miguel A. Ballicora wrote:

...
>>I am doing something different that ends up to be similar in concept.
>>I do a regular nullmove, but if it fails high, I do not return beta, I just
>>reduce the depth = depth-(R+1) and do a normal search.
>
>Then why do a nullmove first ? You're doing double work now. This reduced depth
>razoring is an alternative to nullmove.

?? a very bad alternative then. Doing a null-move is obviusly giving an
advantadge to the oponent that's why it is used.
I don't use razoring but I think who uses it does it at the last plies and using
info of the hash at least.

>cheers,
>
>Tony



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.