Nimzowitsch Defense: El Columpio Defense

1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4

Nimzowitsch Defense: El Columpio Defense is catalogued under ECO code B00. It is reached after 3 moves (6 half-moves): 1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4. After the last move it is White to play. White opens 1. e4. It is a named variation of the Nimzowitsch Defense, which has 43 catalogued lines in total.

Position shown after the last move; White to play.