Endgame guide
How to Checkmate with King and Rook
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The rook mate takes longer than the queen mate but follows the same logic: confine the king to an ever-smaller box, use your own king as a partner, and mate on the edge.
Cut off, then walk
Place the rook to fence the enemy king into one region — a rank or file it cannot cross. Then walk your king up. The rook alone cannot make progress; the two pieces work as a team.
The shoulder dance
When the kings face each other with one empty square between them, a safe rook check can force the defending king one rank or file nearer the edge. If the king moves sideways, follow with your king while preserving the rook’s fence. When a king move would give up ground, move the rook along the same cutting line as a waiting move; this can pass the turn without releasing the defender.
The final position
Mate arrives on the edge: kings in opposition, rook checking along the back rank.
Watch the move count
Under the FIDE draw rules, the defender may claim after 50 moves by each side without a pawn move or capture; after 75 such moves the draw is automatic unless the final move is checkmate. Correct rook-mate technique finishes well inside that window, but aimless checks waste moves. Cut off, approach, and check when the king must yield ground.