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Posted by dorayme on 03/29/07 23:51
In article <slrnf0o9uv.ss2.spamspam@bowser.marioworld>,
Ben C <spamspam@spam.eggs> wrote:
> On 2007-03-29, dorayme <doraymeRidThis@optusnet.com.au> wrote:
> [...]
> >> >If you want a chess puzzle (and the graphic is not so bad), look
> >> >at:
> >> >
> >> ><http://members.optushome.com.au/droovies/binHassad/missingKing.ht
> >> >ml>
>
> I give up.
>
> I figure the white king must have been on either b3 or c2 since as
> things stand the black king is in check. The white bishop attacking it
> can only have got where it is along that same diagonal, and the black
> king can't have moved into check. So something must have moved off that
> diagonal opening the attack.
>
> The white king couldn't have been on c2, since there is no way two kings
> can end up on adjacent squares-- to move a king next to another king is
> to move it into check, which is illegal.
>
> That leaves b3, from where it moved to either a3 or c3 out of check
> itself and checking black. But it is not possible for it to have got
> into the situation on b3 attacked by both the rook and bishop in the
> first place, since they can't both have got there in a single move.
Am reluctant to blurt it out. My many enemies and detractors are
absolutely dying to know.
<g>
So, send me an email so I can reply, subject it "Missing King"
without quotes and I will be happy to give you a position and
indicate the falling off point and perhaps a short note or two.
Actually, I better get out my board and work it out again, it is
not obvious! Been ages since I solved it. I made an animated gif
of my solution once to show it in action. For the life of me, I
do not know where it might be. Probably on a CD or old HD,
hundreds of which are lying about the place.
--
dorayme
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