5 Reasons to Play the Catalan - TheChessWorld

Catalan is one of the most common opening choices for white. If before it was mostly seen at the top level, its popularity has increased.

Opening Databases - Page 3

Catalan — tag —

All Chess Databases - Page 4

The Modernized Reti, extended second by Demuth, Adrien

From knight to king: Pragg vs Carlsen first game of chess finals

Author Spotlight: IM Dean Ippolito - Forward Chess

How to Defend against the Catalan Opening, Part 7

Beating the Queen's Gambit: Course Bundle - 365Chess

Typical Plans in the Catalan - TheChessWorld

Kramnik: Move by Move by Lakdawala, Cyrus

Rules of chess - Wikipedia