White plays and wins in 2 moves https://lichess.org/SiI6uK1i
- Qd3+ Ka5 2. Qa3#
The analysis board does checkmate in 5 moves
- Qa3+ Qa5 2. Qd3+ Ka7 3. Qd7+ Qc7+ 4. Qxc7+ Ka6 5. Qb6#
Source:
This publication is in my collection "500 chess puzzles. Mate in 5. Advanced & Expert Level."