 Only if the leading coalition ticket out-polls the second place coalition by a margin of more than 2-to-1 does the winning coalition gain both seats, which tends to lock the legislature in a roughly 50–50 split.Chile's judiciary is independent and includes a court of appeal, a system of military courts, a constitutional tribunal, and the Supreme Court of Chile.In June 2005, Chile completed a nationwide overhaul of its criminal justice system.