The Children's Kisei (こども棋聖戦) is a Japanese event of the "Kisei set" (along with the open Kisei and the Women's Kisei) which began in 2011. It is a mixed gender event and is not restricted to professionals. See also the Children's Meijin.
The Children's Kisei is separated into two tournaments by school year. The two tournaments are the Lower Elementary School Division (低学年, 1st - 3rd grade) and the Upper Elementary School Division (高学年, 4th - 6th grade).
British readers should note that the American 6th grade is the same age bracket as the traditional British 1st Year and Year 7 under the new numbering, that is to say age 11-12. The age bands of the other grades can be deduced by counting down.
In the 11th (2021) edition, a girl reached the final of the Lower Elementary School tournament for the first time, the 3rd grader Nakano or Nonaka Yuki of Saitama. For more information about Yuki, see this L19 post by Fairbairn, and his corrected version of events at the bottom of this article.
The winners of both divisions are listed on the Japanese Wikipedia page, currently up to 2018.
The winner of the lower division is always from the third grade.
So far, three winners have become professionals.
|Ed.||Yr.||Lower Division||Upper Division|
|1st||2011||川口飛翔 Kawaguchi, Saitama Pref.||林隆羽 Hayashi, 5th g., Saitama Pref.|
|2nd||2012||犬丸翔太 Kanagawa Pref.||川口飛翔 Kawaguchi, 4th g., Saitama Pref.|
|3rd||2013||Sakai Yuki, Tokyo||I Ryo, 6th gr., Tokyo|
|4th||2014||Fukuoka Kotaro, Tokyo||森田拳 Morita, 6th g., Tokyo|
|5th||2015||羽根和哉 Hane, Aichi Pref.||田口昂征 Taguchi, 6th g., Tochigi Pref.|
|6th||2016||向井俊成 Mukai, Hyogo Pref.||Fukuoka Kotaro, 5th g., Tokyo|
|7th||2017||川端篤士 Osaka Pref.||保田翔太, 6th g., Aichi Pref.|
|8th||2018||鈴木唯斗 Suzuki, Chiba Pref.||桑原樹 Kuwabara, 4th g., Tokyo|
|9th||2019||長尾想太 Nagao, Ishikawa Pref.||鈴木唯斗 Suzuki, 4th g., Chiba Pref.|
|10th||2021||遠藤壮一郎 Endo, Tokyo (?)||渡利大遥, 5th g., Kyoto|
bugcat: @JohnF On L19, you said that the 2021 edition was won by Nakano Yuki of Saitama (and I'm sure you're correct). But the Japanese Wikipedia gives "遠藤壮一郎（小3・東京）", which looks to me like "Endo ???, 3rd g., Tokyo".
JohnF. That was my mistake, occasioned by the fact that all the fuss was made about little Nonaka (e.g. only she got her photograph published, holding a gold cup with Iyama. But a check shows that that was just for reaching the final. and the game record (in GoGoD) indeed shows Endo Soichiro was the winner. Winners don't always get to write the histories!