Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Dr. Hyatt: Does Crafty 19.6 have more knowledge than preceding versi

Author: Robert Hyatt

Date: 17:12:49 12/07/03

Go up one level in this thread


On December 07, 2003 at 19:56:10, Ralph Stoesser wrote:

>On December 07, 2003 at 10:22:47, Robert Hyatt wrote:
>
>>On December 07, 2003 at 03:21:17, Luis Smith wrote:
>>
>>>>Yes, this is a continual process...
>>>>
>>>>But 19.6 is no different than 19.5 except for NUMA support...
>>>
>>>How do you improve upon a program which has so many things?  Obviously you can
>>>improve on strength, but Crafty already has most or all of the well known
>>>techniques in them.
>>>
>>>So the question is I guess, what is on your to-do list?  What can we expect from
>>>Crafty in the future?
>>
>>
>>
>>After I finish the Linux-NUMA stuff, it's back to the two usual things
>>that need work:
>>
>>1.  evaluation.  There are still things that are either missing, not implemented
>>very cleanly, or need tuning.
>
>I really think it must be a pain for a human being to write a chess evaluator
>AND to adjust the many weights manually. Have you ever tried an automated way of
>parameter (weight) tuning? Have you ever tried playing around with ANN's for
>crafty's evaluation weights?
>
>Best,
>Ralph
>

In a word, no.  I simply have never had enough time.  It would be a good
project, but it would take some time to do it.


>>
>>2.  search.  There are still things that are untried here as well, from forward
>>pruning to better extension tuning or new extensions, not to mention possible
>>changes to the q-search which is now very simple-minded.



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.