Instructions
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.
This is Open Source. 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. Find out more here