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Subject: Re: Mate in 17: Chessmaster 6555 solve in 1sec!

Author: Bruce Moreland

Date: 13:00:37 10/20/00

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On October 20, 2000 at 15:19:32, Andreas St. wrote:

>Hi,
>
>here a position from CSS 4/93:
>
>white: K f1 ; Q e2 ; R g1,h5 ; B c1 ; N e1 ; P a4,d3,e5,f2,h4
>
>black: K h8 ; Q b1 ; R d8,f8 ; B b7 ; N b4,c6 ; P a6,b6,e6,f5,g7,h7
>
>
>FEN: 3r1r1k/1b4pp/ppn1p3/4Pp1R/Pn5P/3P4/4QP2/1qB1NKR1 w - - 0 1
>
>
>wKf1,Qe2,Ne1,Bc1,Rg1,h5,Pa4,d3,e5,f2,h4/bKh8,Qb1,Nb4,c6,Bb7,Rd8,f8,Pa6,b6,e6,f5,g7,h7
>
>1. move: Rxh7+
>
>Mate in 17. I think, no Program is as good as Chessmaster 6555 here. Right?
>
>
>Greets Andy

This is a problem where moves by white force situations where black has very few
replies.  You can solve this quickly by extending if black is in check and has
few ways out.  Most programs have this extension or something similar, the
differences are in the degree to which they try to constrain it.

bruce




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