| Rating change | Rank | ||
| 1. 04.12.1998 3rd Pan-African Championship | +0 | 1585 | N/A |
| 2. 13.04.1998 3rd Pan-African Championship Finals | +3 | 1588 | N/A |
| 3. 11.11.2007 9th World Scrabble Championships | -26 | 1579 | 222nd |
| 4. 09.01.2009 UK Open | -17 | 1562 | 314th |
| 5. 30.11.2011 CAUSEWAY 2011 | -5 | 1557 | 387th |
| 6. 28.10.2014 African Scrabble Championships | +6 | 1563 | 397th |
| 7. 07.02.2016 City of Cape Town International | -2 | 1561 | 384th |
| 8. 04.02.2018 Cape Town International | -43 | 1518 | 482nd |
| 9. 24.03.2019 South Africa National Championship | +32 | 1550 | 445th |
