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ChessBase 13
By doing this you can check what games have the current board position in another
large database.
3.6.2
Opening Reference
Click the tab R e fe re nce in the notation window to get an opening reference to the
current position:
The ope ning re fe re nc e is based on a fast background search in the Online Database.
Clicking on the Reference tab in the board window starts the automatic opening
ChessBase 2014