Everton will return to the top flight of Chilean football for the first time since they were relegated in 2010 after defeating Universidad de Concepción whilst Cobresal will stay in the Primera Division after they saw off Barnechea.
Cobresal maintained their status in the Primera Division after defeating Barnechea 3-0 in the second leg of their promotional playoff to take the tie 4-3 on aggregate.
Cobresal almost opened the scoring in the opening minutes of the match but Claudio Muñoz spurned the opportunity to pull a goal back. As for Barnechea their best chance came in the 26th minute courtesy of Juan Gutierrez.
The opening goal finally came in the 37th minute as Gerardo Martínez found the back of the net for Cobresal before a second half brace to Miguel Ángel Cuellar ensured another year in the Primera Division. As for Barnechea they will have to lick their wounds for another year in Primera B.
Meanwhile Everton will return to the Primera Division for the first time since 2010 after defeating Universidad de Concepción 3-1 to take the tie 4-1 on aggregate.
Whilst Universidad de Concepción had chances to level the tie up in the opening half but Renato Ramos sent his penalty wide and it was Everton who doubled their advantage in the tie just before the half time break courtesy of José Luis Muñoz. A 62nd minute equaliser to Renato Ramos gave the fans some hope from the penalty spot but this was dashed almost immediately as Muñoz completed his brace two minutes later before Jonathon Suazo put the tie beyond doubt in the 93rd minute.
Primera Division Campeonato de Clausura 2012, Promotion playoffs, second leg
Cobresal 3-0 Barnechea (G. Martínez (CBS) 37’, M.Á. Cuellar (CBS) 54’ & 65′)
U. Concepción 1-3 Everton (J.L. Muñoz (EVE) 44′ & 64′, R. Ramos (UDC) 62′, J. Suazo (EVE) (93′)
Cobresal 3-0 Barnechea
Universidad de Concepción 1-3 Everton