Comments on https://lichess.org/@/zig_zag_zug_zwang/blog/the-best-exercise-for-improving-positional-understanding/MjFl0qal
The last blog didn't know that and this half did
Another try: I would like to know more about the part training (for example, why 3 hours, revising an opening in 15 minutes, how to do that?). btw: Great post!