ECO A02

Bird Opening: Horsefly Defense

Bird Opening: Horsefly Defense is a chess opening classified under ECO A02. Its defining line here is 1. f4 Nh6.

Bird Opening: Horsefly Defense — board position

1. f4 Nh6

The diagram shows the position after 1. f4 Nh6. 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.

Part of