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Subject: Re: Mate that every program will solve...

Author: Heiner Marxen

Date: 08:13:02 04/17/01

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On April 17, 2001 at 07:43:30, leonid wrote:

>Hello!
>
>If you like to solve very "regular" mate position, then you have one.
>
>[D]R7/4P1Pq/1rR5/2pb1rnk/1Q3B2/4Nn2/1PB2Np1/2K1b1Q1 w - -
>
>Please, indicate your result.
>
>Thanks,
>Leonid.

According to Chest there are two key moves for mate in 7 moves:

Qxg2 Bd2+ Qxd2   Bxc6 g8=Q   Qxg8  Rxg8   Bd5  e8=Q+  Bf7  Nxf5   Nd4  Rxg5#
Rh8  Bd2+ Qxd2   Be4  e8=Q+  Rf7   Qxf7+  Nxf7 Qd5+   Bf5  Rxh7+  Nh6  Rhxh6#

(K7/600, 350MB hash, 9.3 minutes)

Heiner



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