While many variations exist, current top-level research and classic guides highlight several critical paths for Black: 1.d4 d5 2.c4 e6 3.Nc3 c5 - Complete Repertoire for Black
The chess opening arising after is known as the Tarrasch Defense . This aggressive and flexible system is designed to challenge White's central control immediately and facilitate active piece development. Core Philosophy and Structure
: Black gains active posts for their pieces and open diagonals for their bishops in exchange for a long-term structural weakness (the d5 pawn).