Wikipedia - Primera B de Chile

Campeonato Primera B (English: Chilean First B Division) is the second tier in the Chilean football league system, and is organized by the Asociación Nacional de Fútbol Profesional. It was established in 1952 as Segunda División, and later renamed in 1996 to the current name. Since 1954, automatic promotion to and relegation from Campeonato Nacional has been granted, although Palestino and Rangers were promoted to the top flight in the first season.

The Chile Primera B, officially known as the Campeonato Nacional de Primera B, is the second tier of professional football in Chile. Established in 1983, this tournament serves as a crucial platform for clubs aspiring to ascend to the top-flight league, the Chilean Primera División.

The competition features a diverse array of teams from across the country, showcasing a mix of historic clubs and emerging talents. Each season, teams compete in a round-robin format, where they play each other both home and away, accumulating points to determine their standings on the league table. The top-performing teams at the end of the season earn promotion to the Primera División, while the lower-ranked teams face the risk of relegation to the third tier, known as the Segunda División.

The Chile Primera B is known for its passionate fan base, competitive spirit, and the opportunity it provides for players to develop their skills and gain valuable experience. The tournament not only highlights the rich football culture of Chile but also serves as a vital stepping stone for clubs and players aiming for success at the highest levels of Chilean football. With its thrilling matches and unpredictable outcomes, the Chile Primera B continues to capture the hearts of soccer enthusiasts across the nation.