The easiest way to get acquainted with the ChessBase Account is to watch the following video by Sagar Shah of ChessBase India. And here is a summary of all the functions:The ChessBase Premium Account is a subscription service designed for advanced club players and serious chess enthusiasts, offering comprehensive access to a wide range of online chess resources and training tools. Live Database: Access to a vast, regularly updated database of over 13 million games for study and analysis. Engine Cloud & Let’s Check: Rent strong chess engines and access the world's largest analysis database with 200 million analyzed positions. The above video gives you a short overview of all the things you can do in ChessBase Mobile.