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Subject: Re: KBN vrs K on 10x10 board -- Mate in 47

Author: Dave Gomboc

Date: 05:25:29 09/22/00

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On September 20, 2000 at 22:47:46, Bruce Moreland wrote:

>On September 20, 2000 at 19:17:52, Uri Blass wrote:
>
>>You may be right and the numbers of Bruce in 12*12 board suggest that you are
>>right.
>>
>>I did not learn seriously the way to mate KBN vs K and I only know that there is
>>a stage when the king can escape from the last rank by Kd8-e8-f7 only to get
>>later to it again.
>
>That was what I was concerned about, too.  If black tries to go into a large
>radius circle, and hits the edge of the board and is trapped, it might imply
>that if the board is bigger, eventually there is enough space for the circle to
>go all the way around the board, at which point the game is a draw.
>
>Unfortunately, it would take a large effort to do larger boards.  12 x 12 isn't
>that hard, but much larger and the files become enormous.
>
>bruce

I'd be surprised if KBNK was a win at really large board sizes.  Of the stronger
side's three pieces, only one of them is long-range.

Dave



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