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Subject: Re: KBN vrs K on 10x10 board

Author: Steffen Jakob

Date: 23:36:13 09/17/00

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On September 17, 2000 at 21:40:05, Vincent Diepeveen wrote:

>On September 17, 2000 at 20:53:47, James B. Shearer wrote:
>
>>      Someone asked in a usenet forum about mating with KBN on larger than 8x8
>>boards.  Opinion was mixed on whether it was possible.  Has anyone done table
>>base computations for say a 10x10 board?
>>                             James B. Shearer
>
>I assume a 50 move rule isn't valid anymore at such a board, so
>give me 5 minutes on a clock and bet for 100 dollar that i can't do it,
>and you'll know :)
>
>You just need another few moves to close the king a bit further in.
>there are several methods to mate. I'm sure one of the methods is a bit
>harder now, but if you use the 'making the diagonal smaller' method,
>then it's still a peanut. Just don't let the king escape or even the
>100 move is gonna get tough :)

Yes, you should always be able to mate if the number of files/rows is even. But
it's not possible to force the mate on a e.g. 9x9 board where all corner squares
have the same color and you have the wrong bishop :-)

Greetings,
Steffen.



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