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Subject: Re: One mate to solve...

Author: Heiner Marxen

Date: 15:20:08 04/26/01

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On April 26, 2001 at 10:14:33, David Rasmussen wrote:

>On April 22, 2001 at 17:36:18, Heiner Marxen wrote:
>>
>>According to Chest this is a mate in 7 moves, with 3 solutions:
>>
>>Bxe6+ Kxe6 Qg4+  Kf7  Qxd7+ Kg6  Qf5+  Kf7  Nxh6+ Bxh6 Rxb7+ =*=  Nxd6#
>>Qh5+  Bg6  Bxe6+ Kxe6 Qg4+  Bf5  Qxf5+ Kf7  Qh7+  Bg7  Qxg7+ Ke6  Re8#
>>Rxf8+ Kxf8 Ra8+  Nb8  Rxb8+ Kf7  Qh5+  Bg6  Qxh6  Qd8  Nxd6+ Kxg8 Qxh8#
>>
>>On Athlon K7 600 MHz with 350MB hash: 950 seconds, 66,144 nodes/sec.
>>
>
>Isn't
>       1. Bxe6+ Kxe6 2. Qg4+ Kf7
>       3. Qxd7+ Kg6 4. Qf5+ Kh5
>       5. g4+ Kxh4 6. Qf3 Bxg8
>       7. Qh3#
>
>also a solution?

That is quite possible, since it starts with one of these three first moves.
I gave only one PV for every first move that is a solution.
Complete solution trees can be very huge.

Heiner



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