This opening is a "surprise weapon" designed to take opponents out of their comfort zone and avoid heavy mainline theory found in the Sicilian or King's Indian Defences.
For deep study, several authoritative "Move by Move" guides are available: Master the Nimzowitsch Larsen Attack to Dominate Chess
The Nimzolarsen Defense has a rich history, dating back to the late 19th century. However, it wasn't until Nimzowitsch's time that it gained widespread popularity. Nimzowitsch was a pioneer of hypermodern chess, and his games featuring the Nimzolarsen Defense are still studied by chess enthusiasts today.
Black responds with a solid move, developing the knight and preparing to develop other pieces.
It is an opening that says, "I am not interested in occupying the center with pawns; I am going to let you occupy it, and then I am going to destroy it."
The Nimzowitsch Attack is a chess opening that starts with the moves: