If you want to refer to some materials (games and/or puzzles) during the class, click on the “Load Games/Positions” at the top-right:
You can refer to materials from the following: My Problembase, Gamebase, Sharebox, and Public Problembase:
You can click on the ▶ to view a database:
Then, you can do the following: Ask (ask question from a position), Load game, Load FEN.
By clicking the “Ask” button on a reference game/position, you will be asking your students a question from that position. You can learn more about this in this article.
2) Load game
If you want to load an entire game from your reference material, you can click the “Load game” button. After this, the game will be loaded to your main classroom board.
3) Load FEN
If you want to load a certain position to the main classroom board, click on the “Load FEN” button from the reference material. Below is an example: