What are chess openings?

The opening in chess refers to the first several moves of the game.

"Book" chess openings refer to common sequences of moves that have been studied and are generally well-known by professionals. Many such lines are well documented in authoritative references like The Encyclopedia of Chess Openings (ECO) and others.

You can study opening lines at Chess.com, either by name or just by entering moves.

keywords: opening openings theory study

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