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Subject: Re: Mate in 25 moves

Author: Miguel A. Ballicora

Date: 09:18:50 03/11/02

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On March 10, 2002 at 18:06:53, Ed Schröder wrote:

>[d]8/1p6/8/pBP4r/p3R2P/K7/3p1p1p/3k4 w - - id M25;
>
>King is King in solving mates, mate in 25 moves, a hard one I think even for
>ChessMaster. Doable for those who have the right extensions.
>
>Ed

Gaviota finds it in 39.5 seconds on a pIII 800 mhz.

Miguel


   2250899   8:     20.3    +0.00  Bb5-e2   Kd1-e1   Be2-g4   Ke1-f1
                                   Bg4-h3   Kf1-g1   Re4-g4   Kg1-h1
                                   Bh3-g2   Kh1-g1   Bg2xb7   Kg1-f1
                                   Bb7-a6   Kf1-e1   Rg4-e4   Ke1-d1
                                   Ba6-e2   Kd1-e1   Be2-d3   Ke1-d1
                                   Bd3-e2
   2661584   9      24.7      :-)  Bb5-e2
   2686820   9      25.0      :-)  Bb5-e2
   2688041   9      25.0      :-)  Bb5-e2
   2689001   9      25.0      :-)  Bb5-e2
   4221690   9      39.5  +Mat_25  Bb5-e2   Kd1-e1   Be2-g4   Ke1-f1
                                   Bg4-h3   Kf1-g1   Re4-g4   Kg1-h1
                                   Bh3-g2   Kh1-g1   Bg2xb7   Kg1-f1
                                   Bb7-a6   Kf1-e1   Rg4-e4   Ke1-d1
                                   Ba6-e2   Kd1-e1   Be2-b5   Ke1-d1
                                   Bb5xa4   Kd1-c1   Re4-c4   Kc1-b1
                                   Ba4-c2   Kb1-c1   Bc2-f5   Kc1-d1
                                   Bf5-g4   Kd1-e1   Rc4-e4   Ke1-f1
                                   Bg4-h3   Kf1-g1   Re4-g4   Kg1-h1
                                   Bh3-g2   Kh1-g1   Bg2-c6   Kg1-f1
                                   Bc6-b5   Kf1-e1   Rg4-e4   Ke1-d1
                                   Ka3-b2   Rh5xc5   Bb5-a4   Rc5-c2
                                   Ba4xc2




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