Sheffield Shield of New South Wales, Victoria and South Australia were already playing each other in ad-hoc matches. The new tournament commenced in the summer of 1892–93, mandating home and away fixtures between each colony each season. The three teams competed for the Sheffield Shield, named after its benefactor. A Polish immigrant, Phillip Blashki, won the competition to design the trophy, a silver shield. The competition therefore commenced some 15 years after Australia's first Test match. In 1999, the Australian Cricket Board (now Cricket Australia) announced a sponsorship deal which included renaming the Sheffield Shield to the Pura Milk Cup, then to
Ennis Shield and the bottom two teams get relegated to the "O'Hanlon Cup". The first Ennis Shield 1926-1927 season, was competed for by UCD and Irish Army GHQ the lowest two teams in the previous seasons Armstrong Cup, they were joined by teams from Rathmines, The Jewish Union, Dublin Corporation and Non Commissioned Army Officers side. Ennis Shield The Ennis Shield is the third division of the Leinster Chess Leagues run by the Leinster Chess Union. Founded in 1926, it was originally the second division of the leinster leagues with it top teams promoted to the Armstrong Cup, in 1971 another league