- 1. Qb3+ Ka5 2. Kc6 Nc7 3. Qa3#
Other defences
- 1. Qb3+ Kc5 2. Na6#
- 1. Qb3+ Ka5 2. Kc6 Nb6 3. Qb5#
- 1. Qb3+ Ka5 2. Kc6 exf4 3. Qa3#
- 1. Qb3+ Ka5 2. Kc6 dxe3 3. Qa3#
- 1. Qb3+ Ka5 2. Kc6 e4 3. Qa3#
- 1. Qb3+ Ka5 2. Kc6 d3 3. Qa3#
Position
- White
- king on d7, queen on c3, knight on b8, pawns on c2, e3 and f4
- Black
- king on b5, knight on a8, pawns on d4 and e5