Chess opening book
A chess opening book is a book on chess openings. This is by far the most common type of literature on chess.
A chess opening book is a book on chess openings. This is by far the most common type of literature on chess.
A chess opening book is a book on chess openings. This is by far the most common type of literature on chess.
Source: Wikipedia "Chess opening book" · CC BY-SA 4.0
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