- 1. Nxb5+ Kb7 2. Nd6+ Ka7 3. Qa3#
Other defences
- 1. Nxb5+ Kb7 2. Nd6+ Kc6 3. Qb5#
- 1. Nxb5+ Kb7 2. Nd6+ Ka6 3. Qa3#
- 1. Nxb5+ Ka6 2. Qa4+ Kb7 3. Nd6#
Position
- White
- king on f7, queen on b4, rook on d7, knight on c3, pawns on b3, d2 and d4
- Black
- king on a7, queen on b8, bishop on a8, knight on e1, pawns on b5, b6 and c7