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Subject: Re: What shortest mate that you can find for this position?

Author: Vincent Vega

Date: 16:13:56 01/17/01

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On January 17, 2001 at 19:05:09, Dann Corbit wrote:

>On January 17, 2001 at 18:59:19, Vincent Vega wrote:
>
>>On January 17, 2001 at 17:11:45, leonid wrote:
>>
>>>Hi!
>>>
>>>Position below contain mate. If you can find shortest mate that 11 moves (my
>>>selective search can't find here below 11 and frute force search is too time
>>>expensive), please say what you found.
>>>
>>>3k4/2bqb3/2qnq3/2nrn3/1Qqnq3/NBNq4/PPP2pR1/KB4R1 black to go.
>>>
>>>Leonid.
>>
>>This position is illegal.
>
>All right, leonid.  You heard the man.  You're under arrest!
>;-)
>
>Since neither king is in check, I am curious why the position is not to be found
>in the game of check.  It seems to add up OK to me.

Well, I don't know about the game of check ;-), but in the game of chess you
can't the white bishop to b1 without moving a2 or c2 pawns.  You also can't get
8 promoted black pieces (another dark-piece bishop, 5 extra queens, 2 extra
knights) and still have a black pawn left.



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