Mate in 3 · No. 155 · HarderQueen, rook, bishop and knight
White to play and mate in three.
- 1. Kc7 Qd6+ 2. Bxd6 b5 3. Bc5#
Other defences
- 1. Kc7 Qg8 2. Qb7#
- 1. Kc7 Qe8 2. Qb7#
- 1. Kc7 Qh7 2. Qb7#
- 1. Kc7 Qg7 2. Qb7#
- 1. Kc7 Qf7 2. Qb7#
- 1. Kc7 Qh6 2. Qb7#
- 1. Kc7 Qf6 2. Qb7#
- 1. Kc7 Qe6 2. Qb7#
- 1. Kc7 Qd6+ 2. Bxd6 a5 3. Qb7#
- 1. Kc7 Qc6+ 2. Qxc6 b5 3. Bc5#
- 1. Kc7 Qc6+ 2. Qxc6 a5 3. Qb7#
- 1. Kc7 Qh5 2. Qb7#
- 1. Kc7 Qg5 2. Qb7#
- 1. Kc7 Qf5 2. Qb7#
- 1. Kc7 Qxg4 2. Qb7#
- 1. Kc7 Qe4 2. Qxe4 b5 3. Bc5#
- 1. Kc7 Qe4 2. Qxe4 a5 3. Qb7#
- 1. Kc7 Qxd3 2. Qb7#
- 1. Kc7 b5 2. Qb7#
- 1. Kc7 a5 2. Qb7#
Position
- White
- king on d8, queen on d5, rook on c3, bishop on e7, knight on d3, pawns on c4, f2, g3 and g4
- Black
- king on a7, queen on g6, pawns on a6 and b6