Checkmate
A knight and a rook coordinate to checkmate the king in the corner of the board — one of the oldest named patterns in chess.
A knight and a rook coordinate to checkmate the king in the corner. The rook delivers the mate while sitting directly next to the king, and the knight protects the rook while also blocking the king's only diagonal escape square.
Starting Position (FEN): 7k/7r/5N2/8/8/8/6R1/6K1 w - - 0 1
Move Sequence: Rg8#
Explanation: A knight and a rook coordinate to checkmate the king in the corner. The rook delivers the mate while sitting directly next to the king, and the knight protects the rook while also blocking the king's only diagonal escape square.
Starting Position (FEN): 7k/8/5N2/8/8/8/7R/7K w - - 0 1
Move Sequence: Rh7#
Explanation: The rook can also deliver the mate from the side file, with the knight controlling both the escape square and the mating square perfectly.
Starting Position (FEN): k7/p7/2N5/8/8/8/1R6/7K w - - 0 1
Move Sequence: Rb8#
Explanation: The same geometry applies in any corner — here the knight on c6 supports the rook on b8.
The Arabian Mate is one of the oldest checkmate patterns in chess history, dating back to before the modern movement rules for the queen and bishop were established, when the rook and knight were the most powerful pieces.
See also:Anastasia's Mate