- 1. Qxc4 Kb8 2. Qc7+ Kxa8 3. Qc8#
Other defences
- 1. Qxc4 Kxa8 2. Qc8#
- 1. Qxc4 a6 2. Qc7+ Kxa8 3. Nb6#
- 1. Qxc4 e5 2. Qc7+ Kxa8 3. Qc8#
- 1. Qxc4 e5 2. Qc7+ Ka6 3. Qc6#
- 1. Qxc4 a5 2. Qc7+ Kxa8 3. Nb6#
- 1. Qxc4 a5 2. Qc7+ Ka6 3. Qb6#
Position
- White
- king on g8, queen on f1, knights on a4 and a8, pawns on b4 and h4
- Black
- king on b7, queen on c4, pawns on a7 and e6