He learned the tactics of chess.

He compiled the history into a book.

I like to study new languages.

I play chess with my friends every weekend.

He is known as an excellent tactician.

It is said that he lived a long life using the magic of an immortal.

It took him time to understand that tactic.

She tried to predict the future using scrying.

We will proceed with the project according to the aforementioned plan.

As mentioned before, I am studying Japanese.