Mate in 3 · No. 530 · HarderRook, bishop and two knights
White to play and mate in three.
- 1. Bc8+ Kb8 2. Nc6+ Ka8 3. Bxa6#
Other defences
- 1. Bc8+ Ka8 2. Nc6 Ng8 3. Bxa6#
- 1. Bc8+ Ka8 2. Nc6 Ne8 3. Bxa6#
- 1. Bc8+ Ka8 2. Nc6 Nh7 3. Bxa6#
- 1. Bc8+ Ka8 2. Nc6 Nd7 3. Nc7#
- 1. Bc8+ Ka8 2. Nc6 Nh5 3. Bxa6#
- 1. Bc8+ Ka8 2. Nc6 Nxd5 3. Bxa6#
- 1. Bc8+ Ka8 2. Nc6 Ng4 3. Bxa6#
- 1. Bc8+ Ka8 2. Nc6 Ne4 3. Bxa6#
- 1. Bc8+ Ka8 2. Nc6 axb4 3. Bxa6#
- 1. Bc8+ Ka8 2. Nc6 e4 3. Bxa6#
- 1. Bc8+ Ka8 2. Nc6 a4 3. Bxa6#
- 1. Bc8+ Ka7 2. Nc6+ Ka8 3. Bxa6#
Position
- White
- king on e2, rook on d8, bishop on e6, knights on d5 and e7, pawns on b4, d3 and f3
- Black
- king on b7, knight on f6, pawns on a5, a6, d4 and e5