3D Chess

Learn · Endgames

Basic Checkmates: King and Queen, King and Rook

Step-by-step methods to checkmate a lone king with a queen, with a rook, and with two rooks, plus how to avoid stalemate when you are winning.

Every chess player needs to know how to finish the job. If you win your opponent's pieces but can't deliver mate, you'll draw won games, either by stalemate or by the fifty-move rule. These three basic mates come up all the time, and each one follows a simple method you can learn in an afternoon.

Two rooks: the ladder mate

Start here: it's the easiest. Two rooks can mate without any help from your king.

  1. Use one rook to cut the enemy king off along a rank or file. For example, a rook on the 4th rank keeps a black king on ranks 5 to 8.
  2. Give check with the other rook on the next rank up, pushing the king back.
  3. Keep alternating: the rook that's behind leapfrogs to the rank in front of the other one and gives check. The king is pushed back one rank each time.
  4. When the king reaches the edge, the next check along the edge is mate, since the other rook covers the rank in front.

One catch: if the king comes close to the rook that's about to move, move that rook far away along its rank, to the other side of the board, before continuing. Rooks are strongest at a distance.

King and queen against king

The queen can't mate alone; the king has to help. The method has two stages.

Stage one: shrink the box

Place your queen a knight's move away from the enemy king. This restricts it to a smaller rectangle of the board. Then keep moving the queen so it stays a knight's move away as the king moves, and the box gets smaller each time. You don't need to give check; checks often let the king escape.

Stage two: bring the king

Once the enemy king is stuck on the edge, bring your own king up to stand two squares in front of it (for example your king on e6 against a king on e8). Then the queen gives mate on the edge, protected by your king or simply covering the whole row: Qe7 mate or a queen check along the 8th rank.

Beware of stalemate

This is the big danger. If the enemy king has no legal move and isn't in check, it's a draw. The classic accident is a king in the corner, say on h8, with your queen on g6 or f7. The king can't move anywhere, and it isn't attacked: stalemate. Before every queen move near a cornered king, ask: does the king still have a square to go to? If not, is it in check?

King and rook against king

This takes a little longer, at most 16 moves with perfect play and usually more in practice, but the method is reliable.

  1. Cut the king off with the rook. Put the rook on a rank or file that splits the board, keeping the enemy king in the larger or smaller part.
  2. Bring your king up. Walk it towards the enemy king, staying on the same side of the rook as your king.
  3. Use the opposition. When the two kings stand face to face with one square between them (for example white king on e6, black king on e8), a rook check along the rank, Ra8, is mate if the king can't escape sideways.
  4. Use waiting moves. If the enemy king steps sideways instead of facing yours, don't chase it with checks. Follow it with your king, or make a quiet rook move along its file or rank (a "tempo move") so that the enemy king has to step back into the opposition.
  5. Shrink the box. Each time the enemy king retreats, move the rook one rank or file closer, keeping it protected or far from the enemy king.

The key principle is that the rook builds walls and your king pushes. The rook alone can never force mate, and checks alone just chase the king around.

Why the details matter

What you can't mate with

Some material is not enough to checkmate, and the game is drawn right away: a lone king against a king, king and bishop against king, or king and knight against king. King and two knights against king also can't force mate, although a mate is possible if the defender blunders.

Practise it

Play pass-and-play against yourself, starting from a position with just the kings and a queen or rook, and mate the lone king. Do it until it feels boring. Then try it with the clock running. It's the cheapest rating points you'll ever earn.

Keep learning

Practise on the board