The Closed Sicilian with 2...Nc6 arises after 1.e4 c5 2.Nc3 Nc6. ECO code: B23.

Black develops the knight to c6, the most common response. The game typically continues 3.g3 g6 4.Bg2 Bg7 5.d3 d6, leading to a strategic battle where White plays for f4 and kingside initiative, while Black seeks counterplay with ...Rb8 and ...b5 or ...f5.