opening book (English, noun)
expansion: opening book (plural opening books)
Senses:
topics: board-games
chess
games
glosses: A book describing chess openings or giving general opening advice.
tags: literally
qualifier: chess engines
glosses: A database of openings given to a chess engine to play, either to improve the strength of the engine, to make the engine more interesting to play against, or to create a diversity of games in a chess engine tournament.
Forms:
form: opening books
tags: plural