Date Record Championship
2014-03-29432 digitsWelsh Open Memory Championship 2014
2014-06-27378 digitsFriendly (Cambridge) Memory Championship 2015
2014-07-26391 digitsFriendly (Cambridge) Memory Championship 2014
2014-10-18516 digits1st Spanish Open Memory Championship 2014
2015-05-05562 digits (e) MAA US Open 2015 (Digital)
2017-06-27577 digitsFriendly Memory Championship 2017