- 1. Bf3+ Rd5 2. Bxd5+ Ka6 3. Qxa5#
Other defences
- 1. Bf3+ Ka6 2. Qxa5#
- 1. Bf3+ Re4 2. Bxe4+ Ka6 3. Qxa5#
Position
- White
- king on f6, queen on d8, bishops on d2 and g4, pawns on a3, b2, b3, c2 and e2
- Black
- king on b7, rooks on a1 and d4, knight on h1, pawns on a5 and a7