Two rooks work like a ladder: one cuts off a rank, the other checks. Climb the final rung.
Rb8#! The rook on a7 seals the 7th rank; the other delivers mate on the 8th. This wins countless endgames.
The position, then the answer.
This lesson is one of 92 in the Grandmaster Academy — every one playable, with the pieces moving under your hand.
♔ Practise this lesson free