The Chilean Segunda División, known officially as the Primera B, is the second level of professional football in Chile. It operates as the crucial gateway between the amateur divisions and the top-flight Chilean Primera División. The league typically employs a season split into two tournaments (Apertura and Clausura) with a complex system of playoffs to determine promotion and relegation. Featuring a mix of clubs from major cities like Santiago and traditional teams from other regions, the Segunda División is characterized by its unpredictability and high stakes. It is a vital league for player development, where young prospects gain experience and established players seek to revive their careers. The competition has a significant following, with promotion battles often capturing national attention. The ultimate prize is promotion to the Primera División, an achievement that brings substantial financial and sporting rewards to the winning club, making every season a dramatic fight for elevation.