Computer Chess Club Archives




Subject: Re: Improvements in BF makes my MoveGen suck =(

Author: Albert Bertilsson

Date: 06:46:57 06/27/03

Go up one level in this thread

On June 27, 2003 at 09:19:15, Russell Reagan wrote:

>On June 27, 2003 at 08:13:53, Albert Bertilsson wrote:
>>As I've improved moveordering very much with hashtable/iterative deepening,
>>killer moves and history tables the effective BF is now much lower. The lower BF
>>now means that very few moves of all the generated ones are actually ever made.
>>This means that the cost of generating legal moves have increased incredibly
>What is the overall effect of having a lower branching factor and a slower
>program? If the overall effect is that your program is stronger than it used to
>be, then that is a good thing. Nodes per second isn't what determines how good
>your program is.

No, you're right but, and all the improvements have made the program stronger.
The main thing is that I was quite satisfied when I finally got the move gen
right, but now it feels like it has changed from good to bad and needs something
done to make it good again. There are tons of other stuff to improve that would
make the program stronger.

/Regards Albert

This page took 0 seconds to execute

Last modified: Thu, 07 Jul 11 08:48:38 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.