About Kaiketsu Masateru
Kaiketsu Masateru (Japanese: 魁傑 將晃, born Teruyuki Nishimori; February 16, 1948 – May 18, 2014) was a Japanese sumo wrestler, who reached the second highest rank of ōzeki on two occasions. He also won two top division tournament championships. After his retirement in 1979 he became a coach under the name of Hanaregoma-oyakata and established Hanaregoma stable. He was also chairman of the Japan Sumo Association from 2010 to 2012. == Career == While at Nihon University he practiced judo. He made his professional sumo debut in September 1966 at the age of 18, fighting out of Hanakago stable. Initially fighting under his own surname of Nishimori, he reached the second jūryō division in January 1970. He adopted the shikona of Hananishiki before switching to Kaiketsu in November 1970. He reached the top makuuchi division in September 1971. In March 1972 from the maegashira 7 ranking he was the tournament runner-up to Hasegawa, who defeated him in a playoff, and he was given special prizes for Outstanding Performance and Technique.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.