Chess School Online

FREE TRIAL: You can use the demo account below to try this product.
The account includes 3 lessons from each course.

Sign in at: school.chessok.com
Username: demo
Password: 1234

After signing in, go to Classes. You will see three groups of lessons, one from each sub-course. Click on one of the groups to unfold it, then click View.
On the left, you will see the navigation panel to switch between lessons and groups of exercises.
On the right is the display scree with theory and exercises.