Mate in 5 Exercise 104

White plays and wins in 3 moves https://lichess.org/cRorUP4t

1. Qd5+ Kc7 2. Rb7+ Kc8 3. Qd7#

The analysis board does a similar checkmate in 5 moves

1. Qd5+ Ke7 2. Rb7+ Rc7 3. Rxc7+ Kf6 4. Rf7+ Kg6 5. Qf5#

Source:

This publication is in my collection "500 chess puzzles. Mate in 5. Advanced & Expert Level."