Mate in 3 · No. 518 · HarderQueen and rook
White to play and mate in three.
- 1. Qxe7 Kc8 2. Qxd7+ Kb8 3. Qb7#
Other defences
- 1. Qxe7 Ka8 2. Qxd7 Kb8 3. Qb7#
- 1. Qxe7 Kc7 2. Qxd7+ Kb8 3. Qb7#
- 1. Qxe7 Kc7 2. Qxd7+ Kb6 3. Qb5#
- 1. Qxe7 Kb7 2. Qxd7+ Kb8 3. Qb7#
- 1. Qxe7 Kb7 2. Qxd7+ Ka8 3. Qa7#
- 1. Qxe7 Kb7 2. Qxd7+ Kb6 3. Qb5#
- 1. Qxe7 Kb7 2. Qxd7+ Ka6 3. Qa7#
- 1. Qxe7 Ka7 2. Qxd7+ Kb8 3. Qb7#
- 1. Qxe7 Ka7 2. Qxd7+ Ka8 3. Qa7#
- 1. Qxe7 Ka7 2. Qxd7+ Kb6 3. Qb5#
- 1. Qxe7 Ka7 2. Qxd7+ Ka6 3. Qa7#
- 1. Qxe7 d6 2. Qb7#
- 1. Qxe7 d5 2. Qb7#
Position
- White
- king on g2, queen on g5, rook on f7, pawns on a4, d4, e3 and h2
- Black
- king on b8, rook on e7, pawns on a5 and d7