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Subject: Re: Mate to solve for champions...

Author: Paul

Date: 15:45:05 04/29/01

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On April 29, 2001 at 14:07:27, leonid wrote:

>It could be so. Real number of moves I don't know. For sure, I can say that this
>is mate between 10 and 13 moves. If 12 moves, indicated by Paul, is not the
>guess but what really its program found, then it is mate in 10, 11 or 12 moves.

No ... my program also found a mate in 13 ... just tried to have some fun :)

WM13 10 Qbxd8+ Qxd8 Qhxd8+ Nxd8 Qxd8+ Qxd8 gxf8=Q+ Rxf8 Qxf7+ Rxf7 h8=Q+ Nf8
Qxf8+ Rxf8 Rxd8+ Kxd8 Nxe6+ Bxe6 Bg5+ Kd7 Qe7+ Kc8 Qexb8+ Qxb8 Qxb8#

>I found mate for sure by selective in 13 moves. My program also searched
>position as far as 9 moves and indicated that mate in 9 do not existe. This is
>from where I became certain that this position is not easy. Will try, if I will
>have the chance, with my 600Mhz to look even 10 moves deep. Expected time is
>around 18 hours. It is difficult when you don't have free laptop for this work!

So ... until someone finds something better, we're both champions my friend! ;)

Paul



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