Mate in 3 · No. 523 · HarderQueen, bishop and two knights
White to play and mate in three.
- 1. Nxd8 Ka7 2. Qg7+ Kb8 3. Qb7#
Other defences
- 1. Nxd8 Ka7 2. Qg7+ Ka8 3. Qb7#
- 1. Nxd8 Ka7 2. Qg7+ Kb6 3. Qb7#
- 1. Nxd8 Ka7 2. Qg7+ Ka6 3. Qb7#
- 1. Nxd8 Kb6 2. Qg7 Ka6 3. Qb7#
- 1. Nxd8 Kb6 2. Qg7 a3 3. Qb7#
- 1. Nxd8 a3 2. Qg7 Kb6 3. Qb7#
- 1. Nxd8 a3 2. Qg7 a2 3. Qb7#
Position
- White
- king on h7, queen on h6, bishop on g6, knights on c3 and c6, pawns on b4, d4, g2 and h2
- Black
- king on a6, knight on d8, pawns on a4, b5 and c4