hi
1 ... Qc7 2 h7 Qc8#
What? That's not the really the point. Even so, the king would have the g7 square so it's not checkmate. You must mean 2...Qc7 ...
Qf7
That's more or less how I won this game. But it was this game that gave me the inspiration for under promotion (even though it didn't happen). I thought it would've been funny. Gallows humor.