ECO C20

Bongcloud Attack

Bongcloud Attack is a chess opening classified under ECO C20. Its defining line here is 1. e4 e5 2. Ke2.

Bongcloud Attack — board position

1. e4 e5 2. Ke2

The diagram shows the position after 1. e4 e5 2. Ke2. 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.