Chiyotaikai Ryūji from the tournament after this defeat, but announced that he would return at "sekiwake" rank in January to try to win necessary 10 bouts designated by the JSA that would allow him to regain his "ōzeki" status. He stated he would retire if he failed to achieve this. After three straight losses in the January 2010 tournament, Chiyotaikai announced his retirement from sumo. His final match was against his longtime "ōzeki" rival Kaiō (who also broke the record for most "makuuchi" wins in this bout.) "I gave myself an ultimatum, so I don't have any regrets. I just don't have
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