Two-rook (ladder) mate
Also known as Ladder mate, Lawnmower mate, Staircase mate
Two rooks work as a team to corner a lone king. One walls off a whole rank so the king can never step back, while the other checks along the next rank. They take turns advancing – a "ladder" of barriers – until the king is squeezed to the edge. Here the a7-rook fences the 7th rank, and Rh8# finishes.
- 1.
Use Play, the arrows, or click a move to step through.
How it works
One rook acts as the fence: from a7 it sweeps the whole 7th rank, so the king can never retreat to d7, e7 or f7. The second rook delivers mate by checking along the 8th rank with Rh8, which also covers d8 and f8. The king on e8 is in check, has no flight squares (ranks 7 and 8 are both controlled), and cannot reach the distant rook. With the rooks on separate lines, the king is sealed against the edge.
How to spot it
This is the standard way to mate with king and two rooks (or rook and queen) against a lone king, and it appears whenever you have two heavy pieces and the enemy king is exposed. Set it up by placing one rook to cut off a rank behind the king, then "walk" the king to the edge: each time it shuffles sideways, swing the rear rook to a fresh, safe file and check on the next rank up. Keep your rooks far apart so the king can never attack either one.
Key ideas
- One rook builds the fence, the other delivers check – then they swap roles
- Each rook controls a full rank (or file); together they leave the king no escape
- Push the king to any edge of the board, rank by rank
- Keep rooks far from the king so it can never capture one
- If the king steps toward a rook, slide that rook to the far side and continue
- No king support is needed – two rooks mate on their own
Famous example
The two-rook ladder is the classic teaching mate every beginner learns first, and the same staircase technique drives the king to the edge in countless king-and-rook endgames.