I think this is an excellent improvement: 11.e8=Q is premature, and 11.Ka4? selfblocks - we have the best of two…
True, I have missed Kd8, please excuse me. (Funny how many mistakes I make with this scheme, first publishing cooked…
Thank you, René. Indeed, there are lighter versions possible, and I considered possibilities with the bishop on dark squares, but…
There is a very strong cook: 1.Sb7+ Ke5 2.Sd8 Ra8 3. h8=S! and two knignts checkmate quite quickly in double…
When's that, 2022? That's a motivation to add another preparatory plan for removing black guard from f8 before plaing Ke8-Kf8.
The comments in the solution were updated to reflect corrections by Marjan and Nicolas.
Ah, that's what happens when you have too many versions of a problem. Thanks, I'll ask Julia to update the…
Thank you Marjan, I believe you are correct.
Why the unorthodox forms (helpmates/selfmates/fairies) were invented and employed in chess composition historically? If to show conceptions otherwise unachievable, then…
To make matters even more complicated, different vesrions of popeye interpret this combination differently: https://github.com/thomas-maeder/popeye/issues/226