>>> white can (and must) play pass/null moves. This is exactly my point. Why in series-mover black cannot make illegal…
As I had written, this is a matter for discussion. There is no definitive rule, so this is a (unfortunately)…
This is the matter for discussion. Is 4.e2 legal? Black stalemate white, while they are not forced to do it.…
Is b6-d4-f2 (in any order) considered as solution? There is the mate in the end...
First, I found a correct position for orthogonal version - 4Nk2/B1p3NP/2P3P1/Q2B1r2/2PRK3/8/5b2/5R2 (b: c7>b4). I was very near to it, but…
I have to accept that all my attempts to improve the setting (including switching to frontal half-pin, like, for example,…
wPe7 is not needed at all, but without it wSg7 is fully idle in one solution.
@Joost This is also very good interpretation. I also found another interesting possibility - to use word "threat" instead of…
No, I think black can either do any move or just pass (which is not count as a move) and…
For me this is the necessary change making the problem much more unified. Technical comment Mate LExg6→f6# requires e6 blocked…