About this opening
English Opening: Neo-Catalan Declined is an opening in the Encyclopedia of Chess Openings,
classified under code A13. ECO group A (A00–A99)
covers flank and irregular openings, including the English, Bird, Réti and Dutch defences. This particular variation is reached
after 8 half-moves from the
starting position, with the move sequence 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7.
It belongs to the English Opening family. Within that family this is a sub-variation (the Neo-Catalan Declined line).
The opening sequence in prose form: 1.c4 e6, 2.Nf3 d5, 3.g3 Nf6, 4.Bg2 Be7. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.