Mate in 3 · No. 113 · HarderQueen, rook and knight
White to play and mate in three.
- 1. Rg8 Ra1+ 2. Kxa1 Kh5 3. Qh7#
Other defences
- 1. Rg8 Kh5 2. Qh7#
- 1. Rg8 Rh2 2. Qh4#
- 1. Rg8 Rg1 2. Qh4#
- 1. Rg8 Rf1 2. Qh4#
- 1. Rg8 Re1 2. Qh4#
- 1. Rg8 Rd1 2. Qh4#
- 1. Rg8 Rc1 2. Qh4#
- 1. Rg8 Rb1 2. Qh4#
- 1. Rg8 Ra1+ 2. Kxa1 f6 3. Qg6#
- 1. Rg8 Ra1+ 2. Kxa1 h2 3. Qh4#
- 1. Rg8 Ra1+ 2. Kxa1 f5 3. Qh4#
- 1. Rg8 f6 2. Qg6#
- 1. Rg8 h2 2. Qh4#
- 1. Rg8 f5 2. Qh4#
Position
- White
- king on a2, queen on e4, rook on e8, knight on c3, pawns on a4, d2, e2 and f3
- Black
- king on h6, rook on h1, pawns on f7 and h3