opening book
opening book · opening books
A book describing chess openings or giving general opening adviceA book describing chess openings or giving general opening advice.
Meaning
2 senses(literally)A book describing chess openings or giving general opening advice.
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.