bh5
there is no mate in 1 in this puzzel
Rf1#
Ez spoiler alart.?....................................................?......................................g1=N#
I assume the OP wanted to post this:
But even then there is no mate in one there, so something else was done wrong, too.
More likely this
OK... What about this? This time, it's white to move.
O-O#
O-O#? or Rf1#?
That's actually good
bh5