- 1. Qa8+ Na7 2. Qxa7+ Na6 3. Qxa6#
Other defences
- 1. Qa8+ Kb6 2. Nd5#
- 1. Qa8+ Na6 2. Qxa6#
Position
- White
- king on b2, queen on c6, bishop on h3, knight on b4, pawns on c3, c4 and h4
- Black
- king on a5, queen on a4, bishop on d8, knights on b5 and b8, pawns on b3, c5 and d3