Mate in 3 · No. 456 · HarderQueen, rook, bishop and knight
White to play and mate in three.
- 1. Qb2 Rh6+ 2. Nxh6 b4 3. Qd2#
Other defences
- 1. Qb2 Rh8 2. Qd2#
- 1. Qb2 Rh7 2. Qd2#
- 1. Qb2 Rh6+ 2. Nxh6 e3 3. Rxe3#
- 1. Qb2 Rh5 2. Qd2#
- 1. Qb2 Rh4 2. Qd2#
- 1. Qb2 Rg3 2. Qd2#
- 1. Qb2 Rh2 2. Qd2#
- 1. Qb2 Rh1 2. Qd2#
- 1. Qb2 b4 2. Qd2#
- 1. Qb2 e3 2. Rxe3#
Position
- White
- king on c6, queen on a3, rook on e5, bishop on e1, knight on f5, pawns on b3 and f2
- Black
- king on d3, rook on h3, pawns on b5, e4 and f3