Set the options you want below and click "Start". Two buttons will appear, with the times displayed.
To start the clocks running click on either one of them. The clock you click on will start counting down.
When a players clock is running, they can press a number or letter key on their side of the keyboard or click their clock with the mouse to end their go and start their opponents clock running.
There is a pause button on the bottom of the screen.
Start Time for left hand player: hrs:mins:secs
Start Time for right hand player: hrs:mins:secs
Different times for each player
Normal Chess Clock
Fischer Clock; add seconds BeforeAfter every move.
Bronstein Clock; the amount of time the player takes is added to their clock at the end of their move up to a limit of seconds.
Turn clocks red when there is only seconds left.
This is open souce. Find out more here. If you want to download a copy of this program to use when not connected to the internet, simply select 'file' and 'save' in your web browser.