Flank openings

Bird Opening

1.f4

The Bird Opening starts with 1.f4 and is catalogued under ECO A02, in the flank openings half of the book. The catalog indexes 28 lines inside it, grouped into 27 named variations.

8
7
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5
4
3
2
1
a
b
c
d
e
f
g
h

Current setup

Move ideas

  1. 1.f4

    Advances the f-pawn to gain kingside space and control new squares.

    Idea: Create useful wing space while keeping the central structure flexible.

  2. 1…f5

    Advances the f-pawn to gain kingside space and control new squares.

    Idea: Create useful wing space while keeping the central structure flexible.

  3. 2.d4

    Advances to d4 to claim central space and control nearby key squares.

    Idea: Give the pieces room to develop behind a durable central foothold.

  4. 2…d5

    Advances to d5 to claim central space and control nearby key squares.

    Idea: Give the pieces room to develop behind a durable central foothold.

Book continuations

Waiting for Lichess game popularity.

0 moves
This is the end of the indexed line.

Named variations

Each line below is an indexed entry under Bird Opening. Open one to load it on the board and keep exploring from that position.

3 more named lines sit inside this family — the tree above walks all of them.

Openings from the same volume

ECO groups openings by the structures they lead to, so these families tend to share plans with the Bird Opening.