In this way you'll avoid confusing other players. I have regular DBA 1.1 book. It includes some 1.22 Rules notes. Yes, there is only one Game Master. This is Victor Kisly - Executive Manager of Wargaming.
Many players have more than a dozen games at the same time.
Check if your display supports 800x600 mode and if this mode is configured properly. If you use 800x600 mode check whether 16Bit color depth mode is configured. In any case it might make sense to visit the site of your video card's manufacturer and download and install the latest drivers for your graphic card. This will restore your profile and all your games. Alias and Password are case-sensitive.