Including football, all sports in North Korea were on an amateur basis, with competitions called
Technical Innovation Contests (
Chosŏn'gŭl: 기술혁신경기대회;
Hanja: 技術革新競技大會) being held several times a year In football, First Technical Innovation Contests was held In 1960. The league was the subject of the 1978 sport drama called
Centre Forward. The movie was directed by Kil-in Kim and Chong-song Pak and starred In-son Cha. In 2010, football's National Championship was renamed
Top Class Football League or
Highest Class Football League (
Chosŏn'gŭl: 최상급축구련맹전;
Hanja: 最上級蹴球聯盟戰). In October 2017, the Highest Class Football League was replaced by the
DPR Korea Premier Football League, (
Chosŏn'gŭl: 조선민주주의인민공화국 1부류축구련맹전;
Hanja: 朝鮮民主主義人民共和國 一部流蹴球聯盟戰) held in the home-and-away round-robin system used in most other countries. == Structure ==