LibreChessFree chess. Forever.
Chess openingsECO A

Chess opening

Zukertort Opening: Arctic Defense, Drunken Knight VariationA04

The Zukertort Opening: Arctic Defense, Drunken Knight Variation is a chess opening classified under ECO code A04. It is reached after the moves:

1. Nf3 f6 2. e4 Nh6 3. d4 Nf7
Position after 1. Nf3 f6 2. e4 Nh6 3. d4 Nf7

Play it vs Stockfish Open in analysis board

Comes from

Related lines in the Zukertort Opening

Train this opening

LibreChess runs Stockfish in your browser — play the Zukertort Opening against the engine at any strength, get hints, and review your game move by move afterwards. Free, no account needed. You can also add this line to your repertoire and drill it with spaced repetition.