ECO E01 · Catalan Opening
Catalan Opening: Open Defense
The position after 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2.
Catalan Opening: Open Defense
7 half-moves in · no named continuation
8♜
♞
♝
♛
♚
♝
♜
7♟
♟
♟
♟
♟
♟
6
♟
♞
5
♟
4
♙
♙
3
♙
2♙
♙
♙
♙
♗
♙
a1♖
b♘
c♗
d♕
e♔
f
g♘
h♖
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2
Catalan Opening: Open Defense is filed under ECO E01, a variation of Catalan Opening. It is the position after 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 — 7 half-moves in, with Black to move. Named theory ends here; beyond this the position is yours to work out.