| Rating change | Rank | ||
| 1. 27.06.1999 Channel NewsAsia World Masters | +5 | 1924 | N/A |
| 2. 15.05.2000 3rd Singapore Open | -94 | 1830 | N/A |
| 3. 28.05.2000 Bertam World Masters | -2 | 1828 | N/A |
| 4. 01.07.200116th Brand's King's Cup 2001 | +62 | 1890 | N/A |
| 5. 11.01.2008 UK Open | -48 | 1842 | 110th |
| 6. 09.01.2009 UK Open | -69 | 1773 | 192nd |
| 7. 08.10.2017 UK National Scrabble Championship | -109 | 1665 | 309th |
