Czuch: I think one think you may not be considering is that even if someone "gives" you BKR, unless you keep "buying" it, it is eventually, over time, going to show your true BKR.
(hide) If you click on a person's name and then click Finished games you will have a list of games that have been completed, then click on the name of the game to get a summary of all of these games, then click on the name of the game again and you will have a game to view and analyze. (Servant) (show all tips)