Chess checkmate patterns
What Is the Arabian Mate in Chess?
The Arabian mate is a checkmate in which a rook next to a cornered king gives check, protected by a knight that also covers the remaining escape square. A typical version is a king on h8, a rook on h7, and a knight on f6.
Example
1. Rh7#
Rh7 checks the king on h8. The knight on f6 protects the rook and covers g8, and the rook covers g7 along the seventh rank, so the king has no square and cannot take the rook.
How the Arabian mate works
A rook next to the king gives check, so the king would like to capture it. The knight defends the rook, which makes that capture illegal. The rook itself covers the squares along its rank and file, and the knight covers the last square the rook cannot reach. With the king on h8, rook on h7, and knight on f6, the knight covers g8 and h7 while the rook covers g7.
The pattern is among the oldest recorded mates. It appears in early Arabic manuscripts of shatranj, the ancestor of chess, which is where the name comes from.
How to set it up
The knight usually arrives on f6 first, often after a pawn on g7 has been traded or pushed. Then a rook on the seventh rank, or one that can reach the h-file, delivers the check. Rooks on the seventh rank are strong for exactly this reason: they combine with a knight or bishop to attack the king along the rank and in the corner.
Watch for the same shape on other edges: a king on a8 with a rook on a7 and a knight on c6, or a king on h1 with a rook on h2 and a knight on f3.
How to defend
Do not let an enemy knight settle on f6 next to your castled king. Trade it off, attack it with a pawn, or keep a piece that can capture on f6. A rook on the seventh next to a cornered king is a warning sign.
Common questions
Can a bishop replace the knight in the Arabian mate?
Not in the classic pattern. A bishop could protect the rook, but it would not cover the same escape square. Other mates use a rook and bishop, but they have different names.
Is the Arabian mate common in real games?
Yes, especially in endgames with a rook and knight against a king near the corner. The pattern is worth knowing because it is easy to miss when you are calculating.
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