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Subject: Re: pre-chess

Author: Telmo C. Escobar

Date: 13:24:53 05/16/04

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On May 16, 2004 at 16:15:31, Dieter Buerssner wrote:

>
>(8*4*6*5*3*2)^2
>
>Intention: First B has 8 squares, second B has four squares (the ones remaining
>with different color)
>

 Wrong! This is the kind of mistake my students usually make.

 You are counting each possibily twice. For instance, imagine your "first"
bishop is placed at a1, and your "second" bishop is at b1. The position of
bishops you obviously are counting twice  :)


   Telmo



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