Date Record Championship
2011-12-071340 digitsWorld Memory Championship 2011
2012-12-141220 digitsWorld Memory Championship 2012
2013-11-301460 digitsWorld Memory Championships 2013
2014-12-141740 digitsWorld Memory Championships 2014
2015-12-16905 digitsWorld Memory Championships 2015
2016-12-15827 digitsWorld Memory Championships 2016 (WMSC) (n)
2017-12-011720 digitsWorld Memory Championships 2017