Mate in 3 · No. 321 · HarderQueen, two rooks and bishop
White to play and mate in three.
- 1. Rxa4 Ka6 2. Qg6+ Ka7 3. Rxa5#
Other defences
- 1. Rxa4 Ka8 2. Rxa5#
- 1. Rxa4 Ka6 2. Qg6+ Kb5 3. Qc6#
- 1. Rxa4 Rxd4 2. Rxa5#
- 1. Rxa4 Rxg3 2. Rxa5#
- 1. Rxa4 Rf3 2. Rxa5#
- 1. Rxa4 Re3 2. Rxa5#
- 1. Rxa4 Rc3 2. Rxa5#
- 1. Rxa4 Rb3 2. Rxa5#
- 1. Rxa4 Ra3 2. Qxa3 Ka8 3. Rxa5#
- 1. Rxa4 Ra3 2. Qxa3 Ka6 3. Rxa5#
- 1. Rxa4 Ra3 2. Qxa3 dxe4 3. Rxa5#
- 1. Rxa4 Ra3 2. Qxa3 c3 3. Rxa5#
- 1. Rxa4 Rd2 2. Rxa5#
- 1. Rxa4 Rd1 2. Rxa5#
- 1. Rxa4 dxe4 2. Rxa5#
- 1. Rxa4 c3 2. Rxa5#
Position
- White
- king on c7, queen on g3, rooks on a3 and g1, bishop on e4, pawns on d4 and f4
- Black
- king on a7, rook on d3, pawns on a4, a5, c4 and d5