Japan Yamada and Takashi Hachidan (1969.5.12-2021.2.17)
Born in Osaka, Japan, he studied under Yamashita Shungen Shichidan. His brother Yamada Zhibao Seven Dan, his brother Yamada Nori Sansheng Nine Dan, and called the chess world "Yamada Three Brothers". In 1984, he entered the Kansai Headquarters of the Japanese Chess Academy, was promoted to the seventh dan in 1993, won the 10th chess holy war in 1985, won the fourth stage of the 13th chess holy war in 1988, and played in the China-Japan Youth Tournament in the 1980s. On January 21, 2021, he lost 13-and-a-half to Takashi Sano Yadan for his career, and died of cerebral infarction when he did not participate in many games, and was posthumously awarded Eight Dan after his death.
Japan, Yoshichidan Kasuzaki (1935.6.23-2021.3.2)
Born in Tokyo, Japan, he studied under Seiichi Kobayashi and was the last descendant of One of the founders of the Fangyuan Society, Tetsujiro Kobayashi, Shichidan Ichimon. In 1960, he was admitted to the Tokyo Academy of Chess, japan, and in 1972, he was promoted to five dans, in 2002 he was retired from the award of six dans, and after his death in 2021, he was posthumously awarded seven dans.
Korea Kim Yin Jiudan (1943.11.23- 2021.4.4)
Born in Kangjin, Jeollanam-do, South Korea, he was born in 1958 at the Korean Chess Academy. From 1962 to 1963, he went to Japan to study and entered the nine sections of Kitani Shi. After returning to South Korea, from 1965 to 1977, he fought six consecutive championships, seven consecutive hegemons of the throne war, and seven consecutive hegemons of the overlord war, and repeatedly won the championships of the highest position battle, the strongest battle, the throne war, and the chess king battle, accumulatively winning thirty championships, opening the Korean Go "Kim Yin Era", the second generation of hegemons after the nine paragraphs of Cho Nam Chul, known as "eternal national hand" and "Qingshan". In 1983, he was promoted to the ninth dan, and in 1996 and 1997, he qualified for the 1st and 2nd Samsung Cup World Masters tournaments with wild cards and international qualifiers, and in 2001 and 2002, he led the Korean team to win the Championship of the Chinese and Korean Senators and Elders twice as the main player. He has been elected as the president of the Korean Chess Association four times, served as a director of the Korean Chess Academy for seventeen consecutive years, guarded the Korean Chess Academy in many crises, and founded the Jinyin Cup International Amateur Elders Tournament in his hometown since 2008, and has made great efforts to promote the development of Go, and has been commended by the Korean Ministry of Culture, Sports and Tourism and other institutions. After his death, he was awarded the "Tiger Medal" by the South Korean government sports medal, and his 100 million won inheritance was donated to the Korean Chess Academy to train future generations of chess players.
Hirotaru Okabashi, Japan (1934.2.26-2021.4.14)
Born in Hyogo, Japan, he studied under Hashimoto Masanori 29, and is one of the few apprentices who are older than their master. In 1954, he was promoted to six dans at the Kansai Chess Academy, and from 2015 to 2016, he was the oldest active player in the Kansai Chess Academy. Seven dan were awarded for retirement, and eight dan were posthumously awarded after death.
China QianYubang Jiupin (1966.10.11-2021.5)
Born in Taiwan. In 1989, he was the runner-up of the 1st Maobang Cup, and in the 1980s and 1990s, he was repeatedly shortlisted for the "Amateur Ten Masters" in Taiwan and won the championship in 1991, the sixth place in the 14th World Amateur Championship in 1992, and won three consecutive Tianyuan Tournaments from 2002 to 2004. In 2007, he became a nine-pin chess player and entered the professional camp, and in 2011, he won the sixth place in the 1st Youshi Cup Ten-Dan Battle Circle.
Japan Sakai Kohachidan (1931.8.23-2021.6.27)
Born in Aichi, Japan, he was a member of the Japan Chess Academy's Central Headquarters with his three older brothers, Sakai Tonobu kudan (1912-1997), Yasuo Sakai (1914-1989), and Toshio Sakai (1919-1983), and was also known as the "Four Sakai Brothers", and his nephew Sakai Eio Hachidan (1939-2020, son of Sakai Tōfumi) also belonged to Chubu. In 1946, he visited his second brother Yasuo Sakai, in 1950 he fixed the section, in 1963 the east sea headquarters (the original name of the central headquarters) spring and autumn big hands combined champion, in 1966 to four dan, in 1977 retired to award five dan, in 2002 due to his great contribution to the special promotion to seven dan, after his death posthumously awarded eight dan. He was awarded the Popularization Award in 1980, the Togawa Award in 1984, the Toyota Cultural Award in 2000, and the Executive Director of the Japan Chess Academy from 2002 to 2005, during which he contributed to the Toyota Cup World Throne Battle, and in 2006 he was awarded the Okura Kichirō Award.
Japan, Masataka Saijo Kyudan (1941.1.5-2021.8.6)
Born in Chiba, Japan, he studied under Yasuo Hatsuban Sakai. In 1964, he was promoted to the eighth dan in the Central Headquarters of the Japan Chess Academy, and in 2004 he was retired to the nine dans. In 1985, he was the runner-up of the 10th Chess Holy War Eight-Dan Battle, and in 1993, he was awarded the Popularization Meritorious Award. From 1977 to 2010, he went to Australia, New Zealand, Europe and the Soviet Union to popularize Go, which was extremely popular, and the Romanian professional chess player Katarin Wudan was his disciple.
Huang Chunqi 4 Dan(2003.1.25-2021.9.18)
Born in Ningde, Fujian, China, he joined the Chinese Weiqi Association in 2018. In 2019, it rose three times in a row, two on February 26, three times on July 14, and rose to four on December 24. In 2019, he was in the quarterfinals of the 23rd China Newcomer King Tournament and the quarterfinals of the 3rd China Rookie Tournament, and participated in the Chinese Go League in 2020.
Korea Yu Jian in The Eighth Dan (1948.9.1-2021.11.9)
Born in Gyeonggi-do, South Korea, he joined the Dan in 1966 at the Korea Chess Academy, won the 7th Junior Cup in 1969, finished the 3rd Strongest Champion in 1977, and was promoted to 8 dan in 2007. He has been a long-term Go commentator for SBS TELEVISION, and was the director of the Korean Chess Academy from 2003 to 2004, and died of liver cancer in 2021.
Korea Kim Ha-so Godan (1939.3.29-2021.12.17)
Born in Daejeon, South Korea, he entered the Korean Chess Academy in 1960, was the runner-up of the 6th Youth Cup in 1968, and was promoted to the fifth dan in 1995.
Korea Kim Jae-98 (1938.10.13-2021.12.20)
Born in Gyeonggi-do, South Korea, he joined the Korean Chess Academy in 1958, and his father was Kim Myung-hwan Sidan (1917-1980), the first professional father and son in the history of Korean Go. In 1969 and 1970, he won the 9th Overlord Battle and the 14th National Hand Battle Finals, and lost to Jin Yin Jiudan and won the second place. From the 1960s to the 1980s, he was active in the circle of national hand battles, overlord wars, throne battles, and supreme battles, and entered the first Toyo Securities Cup in 1988, and was promoted to eight dan in 1995. Retired in 2009, he has long maintained the record of the longest period of entry into the Korean Chess Academy, and is proficient in Chinese poetry.