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Re: [computer-go] TD(lambda), Neural Networks and evaluation functions



It did improve -- the trained network could easily beat the untrained network. However, it was still so lousy that my students (who were around 25 kyu) could trounce it easily.


On Tuesday, September 16, 2003, at 03:09 PM, Imran Ghory wrote:

On Tue, 16 Sep 2003, Peter Drake wrote:

Yup, we did this over the past summer, with not too much success. I'm
now convinced that it is necessary to give the program more structure,
e.g., some way of modeling chains/blocks, connections, eyes, and so on.
This is too much for a generic feed-forward neural net to derive by
itself in any reasonable amount of time.
Was it improving at all (i.e was the predicition made say 5 moves from the
end becoming more accurate) or was it just a case of the prediction being
little more than random ?

Imran
--
http://bits.bris.ac.uk/imran

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Peter Drake
Assistant Professor of Computer Science
Lewis & Clark College
http://www.lclark.edu/~drake/

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