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Subject: Re: forward pruning for underpromotions

Author: Jeremiah Penery

Date: 16:05:56 09/20/99

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On September 20, 1999 at 16:15:46, James Robertson wrote:

>My program only generates Queen and Knight promotions, as I have never seen a
>position where a Bishop/Rook promotion was any good.... I have run across a few
>nice Knight promotion positions, though.

There are some positions where promoting to a Rook is the only winning move, as
a Queen promotion would stalemate, and a Knight wouldn't be enough to be able to
mate the opponent with.  Unfortunately, I don't have any examples. :(
In any case, such positions are VERY rare.

Jeremiah



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