Computer Chess Club Archives




Subject: Re: chess and neural networks

Author: Ingo Lindam

Date: 05:38:35 07/06/03

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On July 06, 2003 at 08:00:48, Uri Blass wrote:

>I believe that the biggest advantage that can be achieved in evaluation is not
>in changing the initial static evaluation but in learning to change the
>evaluation during the game based on the results of the search.
>I also do not believe that what humans know is the target and the target should
>be better than what humans know.
>programs found better evaluation than humans in backgammon and program may find
>better search rules than humans in chess not because programs are smarter but
>because programs may do trillions of calculation to learn and humans cannot do

That is an interesting idea and should really offer a lot of chances.
Nevertheless, I would also fear some risks and would be already happy when the
machine would first learn from finished games and the analysis of finished games
(wich also includes a lot of search trees) and modifies the evaluation just on
the basis of the current position and the experiences made before the current
game. Learning from the searchtree in a completely new position might make sense
ofcourse when there are some reliable evaluation results. Ofcourse the machine
could also adapt the evaluation on the basis of some features of the searchtree,
as the chances for the opoonent to make mistakes or the number of features
occure in parts of the search tree don't fit to the abilities of the opponet,

I just would claim the machine not to change everything in evaluation just on
basis of the search tree. If the machine calculates to long within search space
it might occur that it throws away everything it ever learned about chess
before, claiming "now I got the real view onto chess and chess strategies, I
stop trusting all the old masters from now on, I don't trust my trainer anymore,
I don't trust my programmer anymore, it's me that has the only right and
ultimative view onto chess, don't stop me now... I am just reinventing chess..."

Such appearance of chess machine insane might be a very interesting experience
of computer conscience (?)... but I would prefer happening it under control and
not in a tournament... Although, it might make computer chess a record breaking
TV attraction...

Internette Gruesse,

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