Catalan Opening: Open Defense (E04)

E04 · Chess Openings Reference Guide
Openings Directory / Catalan Opening / Catalan Opening: Open Defense

Target Position

♜ ♞ ♝ ♛ ♚ ♜ ♟ ♟ ♟ ♟ ♝ ♟ ♞ ♟ ♟ ♟ ♟ ♞ ♟ ♟ ♟ ♟ ♟ ♟ ♜ ♞ ♝ ♛ ♚ ♝ ♜
Engine Eval: +0.04

Master Game Statistics

Based on master-level chess games in the database.

White Wins: 40.8% Draws: 30.8% Black Wins: 28.4%

Strategic Overview

The Catalan Opening: Open Defense (ECO code E04) is a key chess opening. From the starting board position, it is defined by the following move sequence:

Move Sequence (SAN)
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3
UCI Move Path
d2d4 g8f6 c2c4 e7e6 g2g3 d7d5 f1g2 d5c4 g1f3
Repertoire Training

Import this opening directly into your client-side repertoires to drill or review using spaced repetition.

Internal Navigation

Parent Opening

This line is a variation of the main parent opening:

Catalan Opening (E01)

Sub-variations & Next Lines

Select a variation to view specific move paths, engine evaluations, and stats: