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Chess Clock

How to pause a chess clock

Tap the pause icon in the middle of the clock screen. Both clocks freeze with no time gained or lost, and the screen shows Paused until you tap Resume.

3 min read · Updated 2026-09-10

A mechanical clock has no pause button. Whoever is running the game, usually an arbiter, stops it by hand, and a normal player asks them to. A phone clock can simply freeze, and that is the one thing it does better than the plastic kind.

Pausing in the app, step by step

  1. During a game, tap the pause icon in the round icon bar between the two halves. It is the second of four icons and has no visible text, only an accessibility name.
  2. The overlay reads Paused. The side that was on move keeps its turn.
  3. When you are ready, tap Resume. The same side's clock continues from exactly where it stopped.

Pausing in the middle of a move keeps the seconds already spent and does not count the break. With Simple Delay 5 on a 5-minute clock, say you think for 3 seconds, pause, resume and think 4 more seconds before tapping. The app sees one 7-second move, so after the tap the clock sits at 4:58: 300 minus the 2 seconds beyond the delay. Pausing does not reset the delay for that move.

What happens if you close the app

When the app goes to the background mid-game, it stores a paused copy of the game: both times, both move counts and whose turn it was. If iOS or you then close the app completely, the home list shows Resume Unfinished Game at the top.

Tap it and the game reopens paused at the stored times. Then Resume.

What happens when you leave a running game
What you doClock while awayComing back
Tap pause firstFrozenTap Resume, same time
Switch apps or lock the phone, no pauseKeeps runningTime has gone down by the time you were away
Close the app completelyNot countedResume Unfinished Game, paused at stored times

The middle row matters most: a 40-second call costs the player on move 40 seconds, because the app measures from timestamps. Pause before you pick up.

Limits to know

  • The pause icon is greyed out until the first tap starts the clock, and again once a flag ends the game.
  • Only the last tap can be undone. Pause does not give you extra undo steps.
  • After a full close, the moves before the interruption are not in History. Only moves played after you resume are logged.
  • The delay for the current move starts over when a game is restored from a closed app. It is a small edge for the player on move.
  • One interrupted game is stored at a time.

Is pausing free?

Yes. Pause, resume and Resume Unfinished Game cost nothing in any mode. Pro only adds themes and sounds and removes ads.

Questions and answers

Can you pause a chess clock?
A mechanical clock cannot be paused, though an arbiter can stop it by hand. In Chess Clock you tap the pause icon, and both clocks freeze until you tap Resume.
How do I stop a chess clock in the app?
Tap the pause icon to freeze it, or leave the game with the X icon to end it. If at least one move was played, the End Game? dialog asks you for a result.
Does the clock keep running if I switch apps?
Yes. The time is computed from timestamps, so a running clock keeps counting while you are in another app. Pause first if you have to step away.
Can I resume a chess game after closing the app?
Yes. Tap Resume Unfinished Game on the home list and the game reopens paused at the times stored when the app went to the background. Moves played before that are not in History.

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