From the same BCM series, White has a way to mate. It takes a while, and the first move is a dandy!
The first move is doubly ingenious. It forces Black to make a queen move and it vacates the h4 square for a future queen check 1.Kh3 Qg7 [1...Qf7 2.Qd4+ (2.Qxf7? stalemate!) 2...Qg7 3.Qh4+]2.Qd8+ Qg8 3.Qd4+ Qg7 4.Qh4+ Kg8 5.Bc4+ Kf8 [5...Qf7 6.Bxf7+ is technically longer, but silly]6.Qd8#