Mates with Rooks and Queens

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2.1 The Most Common Mate in Chess

Rooks and queens move along straight lines, so they are the natural pieces for mating a king on the edge of the board. The most common example by far is the back-rank mate. After castling, the king usually stands behind three pawns. That is safe in the middlegame — until an enemy rook or queen reaches the back rank. Then the pawns that protected the king become the walls of its prison.

Look at the four basic patterns below. In each one, notice which squares the checking piece covers by itself, and which squares are closed by the defender's own pieces.

2.2 Deflecting the Defender

Very often the back rank is defended — by one rook or by the queen. Then the attacker tries to remove or overload that defender. A typical idea is to offer a piece on the back rank: if the defender captures it, it leaves another square or line unguarded. Another is to give check with one heavy piece so that the defender must take it, and then mate with the second.

Always count: how many of your pieces attack the back rank, and how many of the opponent's defend it? If you have more, a sacrifice on the back rank usually works.

2.3 The Ladder

Two rooks, or a rook and a queen, can mate a king on the edge without any help from their own king. One piece cuts the king off along a rank or file; the other gives check on the next line. If the king is not yet on the edge, the two pieces take turns and "climb" towards it, one line at a time — like the rungs of a ladder.

2.4 Worked Examples

Cover the text under each diagram, find the mate, then read on.