As part of the subscription service for MegaBase 2022, ChessBase provides regular updates to keep the main database current. Update 58 represents a specific cumulative package of new games added since the previous update.
Tell you how to if you haven't already. Chessbase and .cbv files - Lichess.org MegaBase2022 Update58 cbv
With over 9 million games (at the time of its release), MegaBase 2022 is a cornerstone tool, but it's only as good as its last update. Using Update 58 provides several key advantages: As part of the subscription service for MegaBase