Chess Opening Theory/1. e4/1...Nc6/2. Nf3/2...d6

= Nimzowitsch Defence, Williams Variation = At this point, White can build a large pawn center with /3. d4/. Black can attempt to control the center with pieces with either /3...Bg4/, allowing 4. d5 Ne5 5. Nxe5, or /3...Nf6/