- 1. bxc3+ Kd5 2. Qxb5+ Kd6 3. Qc5#
Other defences
- 1. bxc3+ Kc4 2. Be6#
- 1. bxc3+ Ke3 2. Qg3+ Ke2 3. Bxd3#
Position
- White
- king on c1, queen on b8, bishop on f5, knight on a4, pawns on a3, b2, b4 and h4
- Black
- king on d4, knight on c8, pawns on b3, b5, c3 and d3