Mate in 3 · No. 151 · HarderQueen, rook and knight
White to play and mate in three.
- 1. Qd6+ Kc8 2. Rb2 Kd8 3. Rb8#
Other defences
- 1. Qd6+ Kd8 2. Qxd7#
- 1. Qd6+ Kc8 2. Rb2 Bh6 3. Qb8#
- 1. Qd6+ Kc8 2. Rb2 Bg5 3. Qb8#
- 1. Qd6+ Kc8 2. Rb2 Bxg3 3. Qb8#
- 1. Qd6+ Kc8 2. Rb2 Be3 3. Qb8#
- 1. Qd6+ Kc8 2. Rb2 Bd2 3. Qb8#
- 1. Qd6+ Kc8 2. Rb2 Bc1 3. Qb8#
- 1. Qd6+ Kc8 2. Rb2 c5 3. Qb8#
- 1. Qd6+ Kc8 2. Rb2 e4 3. Rb8#
- 1. Qd6+ Kb7 2. Rb2+ Kc8 3. Qb8#
- 1. Qd6+ Kb7 2. Rb2+ Ka8 3. Qa3#
- 1. Qd6+ Kb7 2. Rb2+ Ka7 3. Qa3#
- 1. Qd6+ Kb7 2. Rb2+ Ka6 3. Qa3#
- 1. Qd6+ Kb6 2. Rb2+ Ka7 3. Qa3#
- 1. Qd6+ Kb6 2. Rb2+ Ka6 3. Qa3#
- 1. Qd6+ Kb6 2. Rb2+ Ka5 3. Qa3#
Position
- White
- king on h1, queen on h6, rook on d2, knight on h7, pawns on a2, c3 and g3
- Black
- king on c7, bishop on f4, pawns on c6, d7, e5 and f5