LibreChessFree chess. Forever.
Chess openings

Opening family

Catalan Opening Lines and Variations

The Catalan Opening family contains 30 named lines in this opening book, spanning ECO E00 to E09. Use this page as the map, then open individual lines for exact move orders and diagrams.

Named lines
30
ECO coverage
E00, E01, E02, E03 ... E07, E08, E09
ECO volume
E (Indian defenses and other 1.d4 Nf6 systems)
Shortest line
E00 Catalan Opening: 1. d4 Nf6 2. c4 e6 3. g3

How to study this family

White

White should use the move order as a checkpoint: finish development, identify the central break, and compare the continuations below before memorizing moves.

Black

Black should ask what White is threatening in the center, then choose development moves that prepare a clean pawn break or a useful exchange.

Start with the shortest line, then branch to the variations that change the pawn structure or tactical target. Memorizing every branch before understanding the family plan is usually wasted work.

Main named lines

Deep theory branches

Start with the root lineDrill this family