Mate in 3 · No. 252 · HarderQueen, rook and knight
White to play and mate in three.
- 1. Qa3 Kxd4 2. Qe3+ Kc4 3. Qc3#
Other defences
- 1. Qa3 Rc8 2. Qc3#
- 1. Qa3 Rc7 2. Qc3#
- 1. Qa3 Rh6 2. Qc3#
- 1. Qa3 Rg6 2. Qc3#
- 1. Qa3 Rf6 2. Qc3#
- 1. Qa3 Re6 2. Qc3#
- 1. Qa3 Rd6 2. Qc3#
- 1. Qa3 Rb6 2. Qc3#
- 1. Qa3 Rc5 2. Qc3#
- 1. Qa3 a5 2. Qc3#
- 1. Qa3 b4 2. Qb3+ Kxd4 3. Qd5#
Position
- White
- king on b2, queen on f8, rook on e5, knight on f7, pawn on d4
- Black
- king on c4, rook on c6, pawns on a6 and b5