It’s White to play and checkmate in two moves.
This puzzle was created by Frank Healey, and published in 5 Family Herald on 7/17/1858.
7R/1B1N4/8/3r4/1K2k3/8/5Q2/8 w - - 0 1
Use the fact that the rook is pinned, and that the king has few squares left; I'm thinking that 1.Rd8 Kd3 (only possible move) 2.Nc5# should be the solution.
[White "NN"]
[Black "NN"]
[FEN "7R/1B1N4/8/3r4/1K2k3/8/5Q2/8 w - - 0 1"]
1.Rd8 Kd3 2.Nc5#
Move the rook onto the same row as the king, king moves to the only possible square, checkmate by moving the bishop to a6?