The first year there were 11 participants. Subsequent years the number of participants was increased to 16 by a preliminary Qualifier round.
Komi is 6.5. Time limit 1h. Details for the separate years are given via the links in the first column below.
| # | year | winner |
|---|---|---|
| 1 | 2011 | Cho Chikun |
| 2 | 2012 | O Meien |
| 3 | 2013 | Kobayashi Satoru |
| 4 | 2014 | Cho Chikun |
| 5 | 2015 | Cho Chikun |
| 6 | 2016 | Kobayashi Koichi |
| 7 | 2017 | Kobayashi Satoru |
| 8 | 2018 | Yoda Norimoto |
| 9 | 2019 | Cho Chikun |
Discontinued.