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Subject: Re: Evaluation Autotuning

Author: Peter Fendrich

Date: 06:52:05 06/29/04

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On June 28, 2004 at 14:49:42, Dan Andersson wrote:

>>I'm doing similar things with GA right now. The difference between GA and
>>Simulated Annealing is probably of not very important here.
>>
> There are considerable and fundamental differences between Genetic Algorithms
>and Simulated Annealing. GA is searching the whole of the search space and is
>capable of finding non-obvious approximate optimums. While SA is a heuristic
>Monte-Carlo based optimization.
> Which works best in practice for Chess Autotuning could depend on how close to
>a 'real' understanding of practical chess evaluation we have in the chess
>program at the moment of the test.
> A mainly linear formula should be easy for both GA and SA. While a discontinous
>partially ordered set would probably favour GAs.
>
>MvH Dan Andersson

I'm well aware of the differences but in this context I think the quality of the
result is less about GA versus SA than other issues like the  quality of the the
test setup.
/Peter



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