The Igo Masters Cup was a Japanese Go competition. It was held nine times from 2011 until 2019, when it was discontinued.[1] The tournament sponsor was Fumakilla, a chemical manufacturing company.
The tournament was open only to players over the age of 50 and who have won at least one Top 7 title (Kisei, Meijin, Honinbo, Tengen, Oza, Judan, Gosei). The format was single knockout and each player was allotted two hours thinking time. The winners' purse was 5 million Yen ($62,000), while the runner-up received 1.5 million yen.[2]
| Year | Winner | Runner-up | |
|---|---|---|---|
| Kobayashi Koichi | |||
| 2012 | Cho Chikun | ||
| 2013 | Ishii Kunio | ||
| 2014 | Cho Chikun | Kobayashi Satoru | |
| 2015 | Takemiya Masaki | ||
| 2016 | Awaji Shuzo | ||
| 2017 | Kobayashi Satoru | Cho Chikun | |
| 2018 | Kataoka Satoshi | ||
| 2019 | Cho Chikun | Komatsu Hideki |