By fernandoylet on Skatehive
White plays and wins in 2 moves https://lichess.org/5D4QCLPp Kxf6 Rg2 2. h8=Q# The analysis board does checkmate in 5 moves Kxf6 Rxg7 2. h8=Q+ Rg8 3. Qh7 Rg7 4. Qxg7+ Ke8 5. Qe7# Source: This publication is in my collection "500 chess puzzles. Mate in 5. Advanced & Expert Level."