In this variation, Black aims for a solid pawn structure while preparing to develop pieces harmoniously. The move ...a6 supports the potential ...b5, allowing for further expansion on the queenside and safeguarding the c5 square against White's pieces. Players who enjoy a strategic battle with a focus on pawn structure and piece maneuvering will find this setup appealing, as it often leads to rich middlegame positions where both sides have chances for long-term plans.