- 1. Nb4+ Kb6 2. a5+ Kc5 3. Qc7#
Other defences
- 1. Nb4+ Kb6 2. a5+ Kxa5 3. Qxa7#
- 1. Nb4+ Ka5 2. Qxa7#
Position
- White
- king on e5, queen on f7, rook on b3, bishop on g3, knight on c2, pawns on a3, a4, g4 and h2
- Black
- king on a6, rook on b1, knight on e2, pawns on a7, b5, c4 and d4