- 1. Ra6 Qxc3 2. bxc3 Kd5 3. Qd4#
Other defences
- 1. Ra6 Kd5 2. Qd4#
- 1. Ra6 Qa5 2. Qd4#
- 1. Ra6 Qa4 2. Qd4#
- 1. Ra6 Qxc3 2. bxc3 b4 3. Qe5#
- 1. Ra6 Qxc3 2. bxc3 e3 3. Qd4#
- 1. Ra6 Qb3 2. Qd4#
- 1. Ra6 Qa3 2. Qd4#
- 1. Ra6 Qxb2 2. Qd4#
- 1. Ra6 e3 2. Qd4#
Position
- White
- king on g8, queen on g7, rook on a3, pawns on b2, c3, g4 and h3
- Black
- king on c5, queen on b4, pawns on b5, c4 and e4