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Subject: Re: Mate in 25 moves

Author: Vincent Diepeveen

Date: 07:12:03 03/11/02

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On March 11, 2002 at 09:56:31, Vincent Diepeveen wrote:

i get mate in 25 later. must debug those scores a bit :)
probably something going wrong in qsearch.



>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
>
>00:16 0 0 2409434 (317162) 11 MATE24 Bb5-e2 Kd1-e1 Be2-g4 Ke1-f1 Bg4-h3 Kf1-g1 R
>e4-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-e
>
>My mainline has a 256 character limit, but it doesn't stop it
>from finding the mate.
>
>note the number of moves could be wrong in my mate score, i recently
>messed there.
>
>usually diep is like this  mate in n then mate in n-i where i > 0
>
>but i keep getting mate. perhaps it's shorter than 25?
>
>01:22 0 0 11617423 (3291312) 13 MATE16 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 Kd
>1-e1 Be2-b5 Ke1-d1 Bb5xa4 Kd1-c1 Re4-c4 Kc1-b1 Ba4-c2 Kb1-a1 Ka3-b3 Rh5xh4 Rc4xh
>4 f2-



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