NEW: Opening Encyclopaedia 2026

3/24/2026 – The new Opening Encyclopaedia 2026 offers comprehensive and easy access to modern opening theory, helping players build, expand, and refine their repertoire with clarity and confidence. With 1,586 in-depth articles, over 40,000 games, and 100 expert video lessons from leading grandmasters, it combines cutting-edge ideas with practical explanations and annotated examples. Designed for players of all levels, it is an essential all-in-one resource to stay up to date with the latest trends and gain a decisive edge in the opening.