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Subject: Re: Mate in 12

Author: Heiner Marxen

Date: 13:44:56 03/26/02

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On March 26, 2002 at 08:55:35, Art Basham wrote:

>The correct move here is of course Qh6, (Not Qc8+)...:-)
>
>[D]1b4k1/r4p2/5Pp1/8/8/8/8/2Q4K w - -
>
>My Junior5 will ann. a mate in just afew sec.

Chest confirms Qh6 to be the unique key move for a mate in 12:

PV: Qh6 Ra1+ Kg2 Ra2+ Kf1 Ra1+ Ke2 Ra2+ Kd3 Ra3+ Kc4 Ra4+ Kb5 Rb4+ Kc6 Rc4+ Kd5
Rd4+ Kxd4 Ba7+ Ke4 g5 Qg7#

185 secs on an Athlon 1500+ and 128 MB hash.

Cheers,
Heiner



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