Online sources

User Interface ›› Main Window ›› Opening Explorer ›› Sources ››
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There are various online sources available within the Opening Explorer from the HIARCS Chess Server. These online sources provide chess moves and statistics depending on the product type and book subscription you have chosen:



Each online book is a regularly updated tree of chess moves, statistics and games from different sources. Updates to the online books are automatically and seamlessly handled by HIARCS Chess Explorer and the HIARCS Chess Server.


You can access statistics about the online source by moving the mouse cursor over the Source selector when an online source is selected, you will then see a book stats pop up:

From v1.8 the book stats pop up now shows the last date the book was updated (where available).


Our online books are updated regularly and we expect to grow our online book sources over time.