Interesting idea and play. But I wish the black king could have ended in different squares in the two solutions.
Well... here is a possibility. You can make it as a 6.5 if you dont want the pawns masked !…
Send it to me, we can do a join
I think it will be possible to make the black moves also an Excelsior making the problem a double Excelsior.…
hm..... It can be a miniature. white Pg6e2 Kg5 black Ph4g7 Ke6 Rd4 HS#6.5 Black pawn promoting on 'h' file…
Nice idea. But, Is it not possible to have a black pawn c3 promoting to rook on c1? Now, Rh2…
Yes indeed, Igor finds the interesting ways to avoid the traps of Duplex twinning, particularly in hs# genre. Reciprocal functions…
Very interesting idea. Using neutral pieces for Duplex form is nice. Pity those static white pieces are essential !
At first glance, the white Queen could have another path: d1-d3-b3-b7.
Interesting themes! Nice of Julia to accept the responsibility !