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Subject: Re: rebel new personality have not beat any game

Author: Bertil Eklund

Date: 12:03:32 01/17/00

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On January 17, 2000 at 11:32:55, Shep wrote:

>On January 17, 2000 at 09:56:27, Roy Brunjes wrote:
>
>>So, Q3 personality is in all likelihood NOT stronger than Rebel Century
>>defaults, in my opinion.  I would be very surprised if it were.  Q3 DOES,
>>however, provide the best/quickest solutions to the tactical problems that were
>>included with the Rebel Century CD; I forget the exact name of the file that
>>contains those tactical positions.
>
>I have been experimenting with Century personalities myself a lot (though I did
>not participate in the contest), and I have found that those which perform best
>in the test suites I threw at them usually played very poorly in actual games.
>
>In most cases (Q3 is a good example, I had several personalities very similar to
>this one) they favour sacrifices a lot (esp. when "Attractiveness" is set high),
>which is very good for most test positions, but they also tend to sacrifice just
>about anything in a game, e.g. they give away a knight for a pawn without any
>reason and end up losing.
>
>It just goes to show that optimizing for test suites does not yield a really
>strong program. :)
>(Junior is a good example for the opposite; performs much worse on most test
>suites than other top commercials, yet is one of the strongest players around.)
>
>---
>Shep

Hi!

If not the strongest, at least I´m very impressed!

Bertil



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