Activating the king once the heavy pieces leave the board.
Why it matters
In the middlegame the king hides. In the endgame it is a strong piece — roughly the value of a minor piece — and the side whose king gets to the action first usually wins the endgame.
This is the single most common improvement in endgame play. Most players spend the first moves of an endgame shuffling rooks when the move that wins is walking the king towards the middle of the board.
See it on a board
Nothing is attacked and nothing is forced. The king simply walks, and three moves later it has won a pawn that no piece could have reached.
Checked: this line wins at least 1 pawn of material.
How to play it
- As soon as the queens are off, ask where your king belongs, and start walking.
- Head for the centre, or for the weakest enemy pawn, whichever is more concrete.
- Use the king to attack pawns and support your own. A king defending a pawn frees every other piece.
At each level
The same idea, said the way it is taught at each age.
Pawn · ages 3–6
When the queens come off, walk your king towards the middle. In the endgame the king is a fighting piece.
Rook · ages 6–9
Count how many moves the king needs before starting. Endgames are decided by tempo, and a king walking the wrong way costs two moves, not one.
What goes wrong
- Keeping the king on the back rank out of habit long after the danger has gone.
- Marching the king towards a pawn the opponent can simply defend, instead of towards the centre.
Questions people ask
- When is it safe to activate the king?
- Once the queens are off and there are no rooks with open lines at your king. If a check would drive it back, wait one move and improve something else first.