- 1. Rb6+ Bxb6 2. Rxb6+ Kd5 3. Nb4#
Other defences
- 1. Rb6+ Kd5 2. Nb4#
Position
- White
- king on c8, rooks on b3 and b4, bishop on a1, knight on a2, pawns on a4, d3, d4, f3 and h3
- Black
- king on d6, queen on g6, rook on f7, bishop on a7, knight on f6, pawn on e7