3 items
Read, study, and explore chess ebooks directly in your browser with lichess.org Chessbook: Turn Lichess into your personal study library. Seamlessly integrate chess ebooks and study materials directly into the Lichess interface. Follow along with moves, store your repertoire, and bridge the gap between reading and playing—all in one tab.
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.