Miyabiyama Tetsushi "makuuchi" rank of "maegashira" 16. He won only three bouts in that tournament and was demoted to "jūryō" in March 2013, where he again only managed three wins and quickly announced his retirement on the last day of the tournament. Miyabiyama fought in the top division for 82 tournaments in total, which is second best among "makushita tsukedashi" entrants and the eleventh best overall in sumo history. The 68 tournaments he fought after dropping from the "ōzeki" rank is also a record. He was the last active wrestler who had begun his career at "makushita" 60 (the bottom of the
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