[Retros] die Schwalbe 13237 - Gerald Irsigler
Mario Richter
mri_two at t-online.de
Tue Jan 30 04:14:07 EST 2007
Andrew wrote:
> So either of these would work as a 7th point. Can anyone do better? I
don't
> think it's possible.
How about the following position, which is known from the 8 non-attacking
queens problem:
5Q2/2Q5/Q7/7Q/3Q4/1Q6/6Q1/4Q3
regards,
mario
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