Chiyotaikai Ryūji Kokonoe stable until his retirement in January 2010 at the age of 33. He remained in sumo as a coach at his stable, and became the head coach in August 2016 following the death of Chiyonofuji. After his father's death, Chiyotaikai's family moved to Ōita, which is considered his hometown and listed as such on the "banzuke" ranking sheets. When he was eleven, his mother remarried, to a local businessman. (In May 2009, Chiyotaikai finally adopted his mother's remarried surname of Sudō as his own.) He was an enthusiastic player of baseball and soccer as well as martial arts. He
Computer science in sport took place outside of Europe - in Calgary (Canada) in 2007, Canberra (Australia) in 2009 and Shanghai (China) in 2011. During the symposium in Calgary additionally the president position changed - it has been assigned to Prof. Arnold Baca, who has been re-elected in 2009 and 2011. The following Symposia on Computer Science in Sport took place in Europe again, in Istanbul (Turkey) in 2013 and in Loughborough (UK) in 2015. In 2017 the 11th Symposium of Computer Science in Sport took place in Constance (Germany). During the conference in Istanbul Prof. Martin Lames was elected as president of the