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Subject: Re: Promotion frequency

Author: Pham Hong Nguyen

Date: 23:15:56 07/22/02

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>It might also win you a few games.  I have seen "short sighted" underpromotions

I guess that in the real matches probability when underpromotions really help to
win is around 1/million games. The results may be converted to an extra of 0.001
elo ;)

I see in almost all cases of tough promotions, programs can simply delay
queening one or few moves to avoid stalemate without any harmfulness.

>to rook or bishop that look like a good idea for 8-9 plies or some such thing in
>a blitz game.  Longer analysis would have said to push to a queen.  The same
>also happens for underpromotion to knight {more rarely}.  It think an
>underpromotion penalty that is a function of the depth in plies analyzed might
>be a good idea.





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