ECO A04

Zukertort Opening: Arctic Defense

Zukertort Opening: Arctic Defense is a chess opening classified under ECO A04. Its defining line here is 1. Nf3 f6.

Zukertort Opening: Arctic Defense — board position

1. Nf3 f6

The diagram shows the position after 1. Nf3 f6. 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

Variations