[Retros] die Schwalbe 13237 - Gerald Irsigler
mri_two at t-online.de
Tue Jan 30 04:14:07 EST 2007
> So either of these would work as a 7th point. Can anyone do better? I
> think it's possible.
How about the following position, which is known from the 8 non-attacking
More information about the Retros