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Subject: Re: lunsen vs. powerbook

Author: Brian Katz

Date: 21:53:16 06/03/02

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On June 03, 2002 at 14:29:25, Dante Rosati wrote:

>some claim that the lunsen opening book is superior to powerbook. Is there any
>basis for this? Has anyone run games with the two opening books against each
>other?
>
>Dante

  It is my understanding that the POWERBOOKS will not lead to an increase in
wins for your program. It may get worse results!!
  The Powerbooks have many many more openings, which include inferior lines (for
particular programs)as well as good lines.
  Programers select certain opening variations that are better suited to their
program's playing style. Then that is the book they include with their engine.
  The Powerbooks are good for us in that we can study more opening variations
than we could if we only used the program's opening book.
  Programs will unknowingly play a poor variation simply because it is told to
do so.
  I don't think it is a good idea to expect better results from the Powerbooks
as that is not what it is designed to do.
Brian



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