From the "Chess Akt" book "500 chess puzzles".
Subtitle: Mate in 5. Advanced & Expert Level.
White plays and win in only 3 moves https://lichess.org/9UrQ4h42
- Qg8+ Kh5 2. Kf5 Rh1 3. Qh8#
It is interesting to see how the analysis board sacrifices the tower to extend the game to 5 white moves.
- Qg8+ Kh5 2. Kf5 Rf4+ 3. Kxf4 Kh6 4. Kf5 Kh5 5. Qh7#