- 1. Qa8+ Na7 2. Qxa7+ Qa6+ 3. Qxa6#
Other defences
- 1. Qa8+ Na5 2. Qxa5#
- 1. Qa8+ Qa6+ 2. Qxa6+ Na5 3. Qxa5#
Position
- White
- king on b6, queen on g8, bishop on h3, pawns on d2, d4 and g2
- Black
- king on a4, queen on d3, bishop on d6, knight on c6, pawns on b3 and b4