Online solving using Penpa is enabled in this contest. Make sure to read the F.A.Q. on online solving before starting the contest.
Supported browsers : Latest versions of Google Chrome, Microsoft Edge, Opera. At this point, we do not support Firefox.
The official period for "Inspirus Sudoku Intermediate" is over. However, you can participate unofficially using this link.
Your timer will start when you click "Start Inspirus Sudoku Intermediate" — then you will have 60 minutes to solve and submit your answers.
A timer will be shown the answer page with the remaining time.
If you have any questions or doubts or suggestions, please ask in the forum.