You could add two or three pawns to White or replace one queen by a rook on Black`s side or something,but I am not sure if this is interesting and originally enough for an own variant.
(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)