- 1. axb5+ Kb6 2. Qa5#
Other defences
- 1. axb5+ Kxb5 2. Qa5#
Position
- White
- king on c1, queen on a3, rook on h3, knight on f1, pawns on a4, b4, d2, e3 and f2
- Black
- king on a6, queen on b7, rooks on c5 and d6, knight on b5, pawns on c3, c4, c6, d4, d5 and d7