| Rating change | Rank | ||
| 1. 31.08.1993 2nd World Championships | +12 | 1912 | N/A |
| 2. 31.08.1993 2nd World Championships [Last rounds] | +12 | 1924 | N/A |
| 3. 31.10.1995 3rd World Championships | +17 | 1941 | N/A |
| 4. 27.11.1997 4th World Championships | +66 | 1987 | N/A |
| 5. 06.11.1999 5th World Championships | +28 | 2024 | N/A |
| 6. 19.11.2005 8th World Championships | -14 | 2010 | 34th |
| 7. 17.07.2009 English Open 2009 | -17 | 1993 | 56th |
| 8. 16.09.2012 UK NSC Semi Final | -10 | 1983 | 68th |
| 9. 31.08.2015 BMSC 2015 Main Event | -92 | 1891 | 117th |
| 10. 25.08.2017 MSI World Scrabble Championship | -180 | 1711 | 242nd |
| 11. 26.10.2018 World Scrabble Championship | -17 | 1694 | 283rd |
| 12. 22.04.2019 Easter Matchplay | +7 | 1701 | 279th |
| 13. 22.11.2019 World Scrabble Championship | +72 | 1773 | 175th |
