Date Record Championship
2008-10-24513 digitsWorld Memory Championship 2008
2009-11-12483 digitsWorld Memory Championship 2009
2010-08-261096 digitsUK Open Memory Championship 2010
2011-12-071425 digitsWorld Memory Championship 2011
2012-12-141644 digitsWorld Memory Championship 2012
2013-11-301830 digitsWorld Memory Championships 2013
2016-08-232238 digitsUK Open Memory Championship 2016
2018-10-062565 digitsSwedish Open Memory Championship 2018
2018-11-112656 digits (e) 3rd European Open Memory Championship 2018 (n)