| 2003-05-04 | 78 digits | South German Memory Championship 2003 |
| 2003-07-04 | 122 digits | German Memory Championship 2003 |
| 2003-07-04 | 122 digits | German Open Memory Championship 2003 |
| 2003-10-25 | 114 digits | Prague Open Memory Championship 2003 |
| 2003-11-23 | 120 digits | Austrian Open Memory Championship 2003 |
| 2004-03-08 | 160 digits | South German Memory Championship 2004 |
| 2004-07-30 | 122 digits | German Memory Championship 2004 |
| 2004-07-30 | 122 digits | German Open Memory Championship 2004 |
| 2004-08-28 | 170 digits | World Memory Championship 2004 |
| 2005-07-22 | 162 digits | German Memory Championship 2005 |
| 2005-07-22 | 162 digits | German Open Memory Championship 2005 |
| 2007-07-27 | 136 digits | German Memory Championship 2007 |
| 2007-07-27 | 136 digits | German Open Memory Championship 2007 |
| 2008-05-04 | 78 digits | Friendly (Cambridge) Memory Championship 2008 |
| 2008-05-25 | 160 digits | Derby Memory Championship 2008 |
| 2008-07-25 | 180 digits | German Memory Championship 2008 |
| 2008-08-16 | 152 digits | UK Open Memory Championship 2008 |
| 2008-09-20 | 180 digits | French Open Memory Championship 2008 |