- 1. Qd7+ Qe7+ 2. Qxe7+ Kg8 3. Qf7#
Other defences
- 1. Qd7+ Kg8 2. Qf7#
- 1. Qd7+ Kh6 2. Qg7#
- 1. Qd7+ Qe7+ 2. Qxe7+ Kh6 3. Qg7#
Position
- White
- king on f6, queen on b5, knight on d1, pawns on b3, c4, d2 and g4
- Black
- king on h7, queen on e4, rook on h8, pawns on f5, g5 and h4