ECO A02

Bird Opening: Double Duck Formation

Bird Opening: Double Duck Formation is a chess opening classified under ECO A02. Its defining line here is 1. f4 f5 2. d4 d5.

Bird Opening: Double Duck Formation — board position♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜

1. f4 f5 2. d4 d5

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The diagram shows the position after 1. f4 f5 2. d4 d5. Play through it move by move in the interactive explorer.

Opening name, ECO code, and main line come from the Lichess open chess openings dataset.

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