Do Not Hurry
Improve everything you can before you change anything you can't
“Do not hurry” means this: before you play the move that changes the position forever, put every piece on the best square it can reach. Endgame moves are rarely urgent, and a repeated move costs you nothing, while a premature commitment can cost the whole point.
Play this ending (free)What “do not hurry” actually means
The principle is not about the clock. It is about the order of your moves. In almost every won endgame there is a move that ends the discussion (a pawn push, a piece trade, a check) and a set of moves that simply make your position better (king one square closer, rook to a longer file, bishop to the diagonal that does two jobs). The improving moves are free; the committing move is not. So play all the free ones first.
The diagram is the cheapest possible illustration. White is winning, and the tempting move is to push the passed pawn at once. The pawn is not going anywhere: the enemy king is what must be dealt with, so the rook cuts it off on the f-file first, and only then does the white king start its walk. The pawn moves last, when everything else is already perfect.
Dvoretsky wrote the rule as a warning against a specific kind of blunder: the one you play because the win looks close. Nothing in an endgame gets worse while you improve your pieces. Plenty gets worse the moment you commit early.
Why repeating moves is a technique, not a waste
Strong players repeat a position once or twice in winning endgames on purpose. Three reasons. It gains time on the clock, which matters when the win needs forty accurate moves. It hands the defender extra chances to go wrong, because every move he has to find is a chance to find the wrong one. And it can hand him the zugzwang he has been avoiding: repeat until his last safe waiting move is gone, then commit.
The self-discipline is small: keep count, and vary before the third repetition if you are the one playing for a win. If your position is dominant enough that no repetition can hurt you, then the extra pair of moves is pure profit.
The same instinct works on defense. When you are holding a fortress, improving moves do not exist and repeated shuffles are the whole plan: touch nothing, and let the fifty-move counter run.
When you must hurry
The principle has a boundary, and it is sharp: do not hurry applies only where tempo is not the point. In a pawn race, in a position where one side has a passed pawn on the move, in an ending that turns on a single tempo, the improving move is the losing move. Dvoretsky's own formulation attaches the exception directly: hurry when the position demands concrete action, and only then.
Our rook drill “One Tempo for the a-Pawn” is exactly that boundary. A single move (the immediate push a3-a2) holds the draw and every quiet alternative loses, because the pawn on the second rank is what freezes the enemy rook. Improve there and you are simply lost.
The practical test is short: ask whether the opponent has a threat that will exist next move. If not, improve. If yes, calculate. The two failure modes (hurrying when you had all the time in the world, and drifting when the clock of the position was ticking) cost roughly the same number of points, which is why both halves of the rule are worth drilling.
Questions
What does “do not hurry” mean in chess?
It is an endgame principle popularized by Mark Dvoretsky: before playing a committing move such as a pawn push or a trade, improve every piece to the best square it can reach. Improving moves cost nothing in a position where the opponent has no threat, and a premature commitment often throws away the win.
Why do grandmasters repeat moves in winning endgames?
Repetition gains time on the clock, forces the defender to keep finding moves (each one a chance to err), and can exhaust his waiting moves so that the next commitment arrives as a zugzwang. It is only a technique if you keep count and vary before a threefold repetition would claim the draw.
Does the 50-move rule punish playing slowly?
It sets a hard budget: fifty moves without a capture or pawn move and the game is drawn on request. In practice most won endgames are far inside that limit, so a few improving moves are affordable. Only in the longest tablebase wins (some of which exceed fifty moves of perfect play) does the counter become the real opponent.
When should you hurry instead?
Whenever a tempo is the content of the position: pawn races, promotion fights, and any position where the opponent's next move creates a real threat. The rule is not “always go slowly,” it is “do not commit before you must,” and its companion clause is “act when action is required.”
Don't just read it, play it
Every position below is playable right now, free, no signup, against a tablebase-perfect opponent that never gives up and explains every mistake.
Cutting Off the King
White to play and win
Cutting the Knight Off with the Bishop
White to play and win
The Outside Passed Pawn
White to play and win
Queen vs Rook
White to play and win
Practice all 83 rook endgames positionsFollow the full curriculum (free)or sharpen these endings in rated drills
Keep reading
The Principle of Two Weaknesses
One target can be defended. Two, on opposite wings, cannot.
Schematic Thinking
Decide where the pieces belong. The move order comes after.
Zugzwang
When the right to move becomes the obligation to lose
Rook Endgames
Half of all endgames, and the most drawish, if you know how