Mate in 3 · No. 130 · HarderQueen, rook and knight
White to play and mate in three.
- 1. Ka7 axb3 2. Qxb3 Rg8 3. Nb7#
Other defences
- 1. Ka7 Rg8 2. Qb6#
- 1. Ka7 Rg7 2. Qb6#
- 1. Ka7 Rg6 2. b4#
- 1. Ka7 Rg5 2. Qb6#
- 1. Ka7 Rg4 2. Qb6#
- 1. Ka7 Rg3 2. Qb6#
- 1. Ka7 Rg2 2. Qb6#
- 1. Ka7 Rh1 2. Qb6#
- 1. Ka7 Rf1 2. Qb6#
- 1. Ka7 Re1 2. Qb6#
- 1. Ka7 Rd1 2. Qb6#
- 1. Ka7 Rc1 2. Qb6#
- 1. Ka7 Rb1 2. Qb6#
- 1. Ka7 Ra1 2. Qb6#
- 1. Ka7 axb3 2. Qxb3 Rg7 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Rg6 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Rg5 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Rg4 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Rg3 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Rg2 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Rh1 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Rf1 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Re1 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Rd1 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Rc1 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Rb1 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 Ra1 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 d6 3. Nb7#
- 1. Ka7 axb3 2. Qxb3 d5 3. Nb7#
- 1. Ka7 d6 2. Nc6#
- 1. Ka7 a3 2. Qb6#
- 1. Ka7 d5 2. Nc6#
Position
- White
- king on b7, queen on b8, rook on h4, knight on d8, pawns on b3, d4 and e3
- Black
- king on a5, rook on g1, pawns on a4, a6 and d7