I think the not so aesthetic Pa2 prevents 1.PAb4 Bb3 2.PAb1 (wI captured on b1) Ra2#. It is perhaps possible…
Thanks, Georgy, for your opinion on that. We need all the detection powers that can be used against the Invisibles!
Also, thanks for the record of 10 updpdf. I will read the pdf.
Thanks René, then I'd have to make it a retro problem, I suppose: "Add 10 Black units, then =1." Would…
Mike, In 8/8/8/8/7R/2P2P1s/5K2/5R1k, I can imagine 8 Ps on c4,5,6,7 f4,5,6,7 / S on g1 / B on h2. In…
11 is cooked. Returning to the 10 problem. Sorry.
Amending that to 11 Black Invisibles (remove Black King). Same solution.
Just checking with the rules experts, is Black allowed to play 1.Kb2 (self-check in the visible realm), which establishes at…
If anyone is ever to write a treatise on the combined elements of Neutrals+BTB, this example should go in there.…
I wonder if somebody has done something like this already, though: 8/8/8/8/7R/2P2P1s/5K2/5R1k, =1, 10 Black Invisibles. Solution (if I can…