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).