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Subject: Re: Crafty 19.4

Author: Andreas Guettinger

Date: 10:47:15 11/10/03

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On November 10, 2003 at 12:36:46, Robert Hyatt wrote:

>I tend to use 50 as the normal number for my books.  But it is probably
>irrelevant if you use the "played N times" value.  IE here is the way I
>build the book I use on ICC:
>
>book create file.pgn 60 10 50
>
>This says create a file with each line being no longer than 60 plies,
>each move played at least 10 times (at least 10 games have this move
>in this position played) and at least 50% of the games were won by the
>side to move.
>

Hmm. 50%?? Does that mean Crafty dosen't know Kings Gambit? :)

Maybe I understood sth wrong about the percentage. Does this only invluence if
Crafty will actively _play_ the moves that have a value above 50% but still
_knows_ the other moves?


>That makes the book fairly reliable, and also fairly small.
>
>That's how the book.bin file on my ftp machine was made from the
>enormous.pgn file also located there.  This produces a 13 mb book
>file which is managable and pretty reliable.
>


cu
Andreas



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