- 1. Bxb3+ Kxb4 2. Qc3#
Other defences
- 1. Bxb3+ cxb3 2. Qxb3#
Position
- White
- king on g5, queen on f3, bishop on a2, knights on a1 and a7, pawns on b4, d2, e2 and g3
- Black
- king on a4, rook on b6, bishops on b3 and c1, knights on c7 and d7, pawns on a3, a6, b5, b7, c4 and c5