Perhaps we are getting ahead of ourselves here. Why don't you try it out with the restriction for a bit and see how it goes. You might be surprised and find that you like it, maybe even more than the version you are accustomed to.
(hide) If you want to play a game with an opponent of a similar level, you can define a required BKR range for a new game invitation. Then nobody with a BKR outside this range will be able to see/accept it. (Katechka) (show all tips)