Some BrainKing pages can contain advertisements of different kinds (text links, image banners etc.) which generate an additional income to be used for hardware upgrade, financing of new services development and similar activities. Since paying members are already giving BrainKing their financial support, they have an option (at the Settings page) to turn off all advertisements.
(hide) If you want to find an opponent with similar playing skills to your own look in the Ratings page of the type of game you want and find a player with a similar BKR. (pauloaguia) (show all tips)