Computer Chess Club Archives




Subject: Re: chess and neural networks

Author: Anthony Cozzie

Date: 12:50:19 07/01/03

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On July 01, 2003 at 14:21:12, Tom Kerrigan wrote:

>On July 01, 2003 at 13:32:19, Ralph Stoesser wrote:
>>Hello *,
>>Why no top engine uses neural networks for positional evaluation in non-tactical
>>situations? Are there interesting publications about neural networks and chess
>Neural networks are for analyzing things that are
>"fuzzy"--voice/image/handwriting recognition, etc. Chess is a very exacting
>game. (It makes a big difference if your rook is on d1 vs. e1.) I doubt neural
>networks will ever be useful for chess.

The human brain is also rather "fuzzy" and it seems to play chess rather well,
at least in some individuals :)  Neural nets aren't used for chess because they
simply aren't as good as a human-developed evaluation function.  Humans have
spent a lot of time trying to generate rules (to help other humans) that work
for chess, and it isn't too hard to teach those rules to computers.  A neural
net would abandon all that, and start over from scratch, so to speak.


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