The Chilean Chess Championship is the national chess championship of Chile organised by the FENACH (Federacion Nacional de Ajedrez de Chile). In 2004-2006 there was also a championship organised by the FEDAC (Federación Deportiva de Ajedrez de Chile).
The winners of the FEDACH competition were Luis Rojas Keim (2004) and Mauricio Flores Ríos (2005, 2006).
References
Chilean Chess Championship Wikipedia(Text) CC BY-SA