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Subject: Re: Why can't any programs see this simple Bxh7 sac?

Author: Dann Corbit

Date: 13:39:38 06/14/99

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On June 14, 1999 at 15:38:14, Dann Corbit wrote:
[snip]
>Even after this position, the long term advantage is not clear:
Oops, pasted from the wrong file:
r1b2rk1/3pqpp1/p1nNp3/3nP2Q/5P2/1N6/1PPB2PP/5RK1 w - - acd 13; acn 100014453;
acs 717; ce 26; pv Rf3 Nf6 exf6 Qxf6 Bc3 Qg6 Rg3 Qxh5 Rxg7+ Kh8 Rg5+ f6 Rxh5+
Kg7 Kf2 Kg6;

Anyway, chess programs don't see sacrifices at all.  The only thing they *will*
see is a very deep combination.

As far as extensions are concerned, I don't think you will find any program that
solves a position like the one you propose except perhaps a mate solver, if
there is a mate nearby.  When the extensions are forced (e.g. there is a single
legal reply) then many chess programs will chase forward for a while.  Your
example is not like that.
[snip]



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