Reference
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3.14.3 Create new Cloud Databases
Depending on the level of your ChessBase membership you can create a large number
of databases, which you can later delete.
The databases "M y Ga m e s", "Re pe rt oire Whit e " and "Re pe rt oire Bla c k" are preinstalled. If you try to delete these databases all the games in them are removed, but
the databases themselves remain.
ChessBase 2014