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Subject: Re: Exceptions to (1,3,3,5,9)

Author: Vincent Lejeune

Date: 01:32:30 02/25/03

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On February 24, 2003 at 23:31:58, Ricardo Gibert wrote:

>Roughly in order of practical value:
>
>N + M < 2B
>N <= B

Here we can add : N > bad B

>R + P < 2M < R + 2P

Often : R + 2P = 2M

>M + P < R < M + 2P
>2R <= Q + P
>3P < M
>
>where M = B|N
>
>The "real" rules are much more complicated than this. You must also take into
>account how many pawns are on the board; whether pawns are on both sides of the
>board; whether the position is open or closed; how many major pieces are left;
>King safety; is it an endgame or a middlegame, etc.



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