Mate in 5 Exercise 48

White plays and wins in 2 moves https://lichess.org/rMckXsRi

1. Rb3+ Qg3 2. Qxg3#

The analysis board does checkmate in 5 moves

1. Rb3+ Kg2 2. Qf3+ Kh2 3. Rb2+ Qf2 4. Rxf2+ Kg1 5. Qg2#

Source:

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