Why promote to a bishop?
I agree.
And even if you follow the line for the first four moves, 5. Rh6+ Nh5 (forced) 6. (either) Rxh6# is more efficient.
Just stupid. Like Bur_Oak said, his line is more efficient.
djlrs, do me a favor (and everyone else) and stop posting these foolish threads.
this was a really ridiculous puzzle