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Subject: Re: Test suites vs. playing -This is amazing to me.

Author: Tony Werten

Date: 02:45:51 03/17/00

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On March 16, 2000 at 17:30:51, blass uri wrote:

>Another problem is that tactical test suites do not test tactical ability of
>chess programs.
>
>The right move is usually a sacrifice and it is possible to improve the results
>of programs in test suites by dividing the value of all the pieces by 2.
>

Actually, it's even worse. You can have your eval return a random score.
Since the sollution move will give your apponent few moves to respond, while you
have a lot of moves ( thus more chances of a good score ) you will still find
the key move.
( I had a bug that did this )

Tony

>The program will not be better in tactics(the opposite it may do stupid
>sacrifices for positional advantage that is not enough) but the program is goign
>to score better at tactical test suites.
>
>Uri



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