Adds a timer to the lichess.org puzzle trainer
This browser extension adds a timer to the lichess.org puzzle trainer. Unlike other timers, this one prevents you from making a move until the timer expires to try to help you force yourself into actually calculating all variations. It also has a traditional blitz mode if you prefer.
Once installed it should add the timer above the move list on puzzle pages. You can disable/enable it with the toggle to the left of the timer, and change settings by clicking on the gear icon to the right of the timer.
From the settings dialog, you can switch modes:
