The Irish Chess Union (ICU; Irish: Aontas Fichille na hÉireann), is the governing body for chess in Ireland since its formation in 1912. ICU is a member of FIDE since 1933 and the European Chess Union. The ICU promotes chess in Ireland and maintains the chess rating for players registered with the ICU, which are published monthly. It runs competitions such as the Irish Chess Championship and selects teams to participate in international competitions for Ireland.