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Subject: Re: SEE & accuracy

Author: Paul Clarke

Date: 11:52:26 08/23/04

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On August 23, 2004 at 10:14:54, Stuart Cracraft wrote:

>On August 21, 2004 at 23:12:34, Robert Hyatt wrote:
>>That part is simple.  Produce a list of pieces directly attacking the target.
>>Each time you make a capture you _always_ use the smallest piece.  And once you
>>use it, if it is not a knight or king, you look "behind" the piece you just used
>>to see if there is a piece that moves in the same direction.  If so, add _that_
>>piece to the list of attackers, and the next cycle you still use the smallest
>>piece from that list...
>>
>>
>>Repeat until one side runs out of capturng pieces...
>>
>>Then minimax the result...
>
>Bob, I understand why one doesn't do it for the knight, but why not the king?
>Example, a bishop and king on a diagonal. King captures pawn, some other
>recapture, then the knight before the king recaptures the recapturer.
>
>I thik you have to look "behind" everything except the knight for x-ray
>pieces, no?

I'm not Bob, but I think I see his reasoning here: the piece behind the king
could only come into play if the king is captured, after which there's no point
in recapturing.



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