| 2004-07-30 | 1185 digits | German Memory Championship 2004 |
| 2004-07-30 | 1185 digits | German Open Memory Championship 2004 |
| 2005-07-22 | 1200 digits | German Memory Championship 2005 |
| 2005-07-22 | 1200 digits | German Open Memory Championship 2005 |
| 2005-08-13 | 1575 digits | World Memory Championship 2005 |
| 2007-07-27 | 1590 digits | German Memory Championship 2007 |
| 2007-07-27 | 1590 digits | German Open Memory Championship 2007 |
| 2007-08-31 | 1800 digits | World Memory Championship 2007 |
| 2008-07-25 | 2730 digits | German Memory Championship 2008 |
| 2008-10-24 | 2840 digits | World Memory Championship 2008 |
| 2009-07-31 | 2305 digits | German Memory Championship 2009 |
| 2009-07-31 | 2305 digits | German Open Memory Championship 2009 |
| 2009-11-12 | 3485 digits | World Memory Championship 2009 |
| 2010-11-03 | 3360 digits | World Memory Championship 2010 |
| 2010-11-12 | 3405 digits | German Memory Championship 2010 |
| 2010-11-12 | 3405 digits | German Open Memory Championship 2010 |
| 2011-09-16 | 3315 digits | German Memory Championship 2011 |
| 2011-09-16 | 3315 digits | German Open Memory Championship 2011 |
| 2012-07-27 | 3735 digits | German Open Memory Championship 2012 |
| 2012-12-14 | 3954 digits | World Memory Championship 2012 |
| 2013-07-27 | 4125 digits | German Memory Championship 2013 |
| 2013-11-30 | 3693 digits | World Memory Championships 2013 |
| 2015-07-25 | 3915 digits | German Open Memory Championship 2015 |
| 2015-10-17 | 4356 digits | 2nd Spanish Open Memory Championship 2015 |
| 2015-12-16 | 3517 digits | World Memory Championships 2015 |
| 2016-10-08 | 3420 digits | German Open Memory Championship 2016 |
| 2017-08-26 | 1740 digits | Asia Open Memory Championship 2017 |
| 2017-12-01 | 3600 digits | World Memory Championships 2017 |
| 2018-12-14 | 4215 digits (e) | World Memory Championships 2018 (n) |
| 2019-07-26 | 4128 digits | German Open Memory Championship 2019 (n) |