LibreChessFree chess. Forever.
Chess openingsECO E

Chess opening

Nimzo-Indian Defense: Three Knights Variation, Euwe VariationE21

The Nimzo-Indian Defense: Three Knights Variation, Euwe Variation is a chess opening classified under ECO code E21. It is reached after the moves:

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4
Position after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. d5 Ne4

Play it vs Stockfish Open in analysis board

Comes from

Related lines in the Nimzo-Indian Defense

Train this opening

LibreChess runs Stockfish in your browser — play the Nimzo-Indian Defense 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.