Wakagoi Cup

The Wakagoi or Young Carp is a Go competition in Japan for players 30 years of age or younger and at most 7 dan in rank.
Its full name is Hiroshima Aluminum Cup Young Carp Tournament, named after the sponsor Hiroshima Aluminum Industry Co., Ltd.
The tournament was founded in 2006 and is held annually. It was considered a local unofficial tournament in its first five years, before becoming an official tournament in 2011. The maximum rank for eligible players was 5 dan from 2006 to 2010, 6 dan until 2014, and the current 7 dan since 2015.
The winner's prize is ¥3,000,000.