Mate in 3 · No. 489 · HarderQueen, bishop and knight
White to play and mate in three.
- 1. Be5 Kb8 2. Qxc7+ Ka8 3. Qb8#
Other defences
- 1. Be5 Ka8 2. Qxc7 Bh7 3. Qb8#
- 1. Be5 Ka8 2. Qxc7 Bg6 3. Qb8#
- 1. Be5 Ka8 2. Qxc7 Bf5 3. Qb8#
- 1. Be5 Ka8 2. Qxc7 Bd5 3. Qb8#
- 1. Be5 Ka8 2. Qxc7 Bf3 3. Qb8#
- 1. Be5 Ka8 2. Qxc7 Bd3 3. Qb8#
- 1. Be5 Ka8 2. Qxc7 Bg2 3. Qb8#
- 1. Be5 Ka8 2. Qxc7 Bc2 3. Qb8#
- 1. Be5 Ka8 2. Qxc7 Bh1 3. Qb8#
- 1. Be5 Ka8 2. Qxc7 Bxb1 3. Qb8#
- 1. Be5 Ka8 2. Qxc7 c5 3. Qb8#
- 1. Be5 Ka7 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 Bh7 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 Bg6 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 Bf5 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 Bd5 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 Bf3 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 Bd3 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 Bg2 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 Bc2 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 Bh1 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 Bxb1 2. Qxc7+ Ka8 3. Qb8#
- 1. Be5 c5 2. Qxc7+ Ka8 3. Qb8#
Position
- White
- king on a5, queen on d7, bishop on f6, knight on b1, pawns on a4, b2 and d4
- Black
- king on b7, bishop on e4, pawns on a6, c6 and c7