Articles
What you see is what you get, because that link goes to an article meant to prepare you for a tournament. The rest of the site deals with preparing you in terms of skill; this article prepares you in terms of being comfortable in a tournament atmosphere at all times. Even if you go to tournaments a lot, you might pick up on something there. Read it!
Are you efficient in gameplay? Shortest route, quickest kill, least deaths and all that? Probably not, there aren't very many like that. Might want to take a few steps in that direction though.