2013 Torneo Apertura (Chile)
The 2013 Torneo Apertura was the first tournament of the 2013-2014 Chilean Primera División season. It began in July 2013 and concluded in December 2013. This tournament was part of the Chilean football league system's Apertura and Clausura format, where two separate tournaments determine the champion each season. The Apertura generally takes place in the second half of the calendar year. The champion of the 2013 Torneo Apertura qualified for the 2014 Copa Libertadores. The format typically involved a round-robin system where all teams play each other once. Specific details regarding promotion and relegation were tied to the cumulative performance of teams across both the Apertura and Clausura tournaments.