Mate in 3 · No. 443 · HarderQueen, rook and knight
White to play and mate in three.
- 1. Rxd4 Rd6 2. Rxd6 Kc7 3. Qb8#
Other defences
- 1. Rxd4 Kc7 2. Qxb7#
- 1. Rxd4 Re8 2. Qb8#
- 1. Rxd4 Re7 2. Qb8#
- 1. Rxd4 Rd6 2. Rxd6 f5 3. Qb8#
- 1. Rxd4 Rd6 2. Rxd6 b5 3. Qb8#
- 1. Rxd4 Rc6 2. Qb8#
- 1. Rxd4 Re5 2. Qb8#
- 1. Rxd4 Re4 2. Qb8#
- 1. Rxd4 Rxe3 2. Qb8#
- 1. Rxd4 f5 2. Qb8#
- 1. Rxd4 b5 2. Qb8#
Position
- White
- king on a8, queen on a7, rook on d1, knight on e3, pawns on g4 and h2
- Black
- king on c8, queen on d4, rook on e6, pawns on b6, b7 and f6