Last Month the Japanese try to retrive this mod a little bit more. They played in the at 2pm CET. At the moment the gametracker,com Server Monitorring is off. Hope soon they turn it on. The ranking seems to work.
if you are new to bf42 modding then take a look through the tutorials.. there no short answer. once you have tried a few things in the tutorials then other sides of modding will start to make sense.