Date Record Championship
2012-12-141160 digitsWorld Memory Championship 2012
2013-11-301980 digitsWorld Memory Championships 2013
2014-12-142180 digitsWorld Memory Championships 2014
2015-12-162520 digitsWorld Memory Championships 2015
2016-12-152860 digitsWorld Memory Championships 2016 (WMSC) (n)
2017-12-012740 digitsWorld Memory Championships 2017