Request use of folder structures to organize sub repertoires

[Jonathan003]

I would like the use of folder structures like in Windows Explorer, to better organize repertoires. Also folders in folders in folders...
And to be able to select a folder and to be trained in all openings in this folder.
Here is an example of how this folder structure looks like in Chess Position Trainer:

[gtim]

Thanks for these suggestion! I'll let you know when I get to them. Practicing a specific study is already on the to-do list.

• Practice a specific study/PGN/folder.
• Organize studies/PGNs into folders.