ECO A02 · Bird Opening

Bird Opening: Double Duck Formation

1. f4 f5 2. d4 d5

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White to move. The arrow shows Stockfish’s best move.
Best move

3. e3+0.23

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Bird Opening: Double Duck Formation (A02), reached after 1. f4 f5 2. d4 d5, Stockfish 18 recommends 3. e3 for White. The position is roughly equal (+0.23).

Top engine moves

  1. +0.233. e3 e6 4. Nf3 Be7 5. Be2 Nf6 6. O-O O-O 7. c4 c5
  2. +0.223. c4 e6 4. e3 Be7 5. Nf3 Nf6 6. Be2 c5 7. O-O O-O
  3. +0.223. Nf3 e6 4. e3 Be7 5. Be2 Nf6 6. O-O O-O 7. c4 c5

Frequently asked questions

What is the best move in the Bird Opening: Double Duck Formation?
After 1. f4 f5 2. d4 d5, Stockfish 18 at depth 18 recommends 3. e3 for White, continuing e6 4. Nf3 Be7 5. Be2 Nf6 6. O-O O-O 7. c4 c5. The position is roughly equal (+0.23). The next best moves are 3. c4 (+0.22) and 3. Nf3 (+0.22).
Is the Bird Opening: Double Duck Formation a good opening?
Stockfish rates the position at +0.23: the position is roughly equal. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Bird Opening: Double Duck Formation?
A02. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).