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Subject: Re: Crafty only likes to play 2 openings

Author: Dann Corbit

Date: 17:07:06 05/08/00

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On May 08, 2000 at 19:59:57, Mark Longridge wrote:

>My crafty clone is always playing two openings when playing another
>crafty with similar rating.
>
>As white A02 (Bird's Opening)
>As black C41 (Philidor's Defense)
>
>It seems odd that when playing this particular opponent it ALWAYS plays
>these openings, which is odd since Bird's Opening doesn't even get
>a positive eval in the beginning. It does win slightly more than it
>losses over a long string of games.
>
>Against human opponents it does not fall into this pattern. Is there
>a way to get crafty to play with more variety in the opening?
>It almost seems like crafty is set to study these 2 openings until it's
>exhausted all the possibilities, which I really doubt. This seems to be
>a general trait in any series of crafty vs. crafty games, that it
>oscillates between 2 and only 2 openings.

Get rid of the computer book then.  Or make a wider one.  There are both
anti-human and anti-computer books that come with crafty.  The default computer
book is narrower.  You can always build your own to do anything you like.



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