| Rating change | Rank | ||
| 1. 31.10.1995 3rd World Championships | N/A | ||
| 2. 25.11.1996 1st Trans-Tasman Challenge | -15 | 1863 | N/A |
| 3. 23.11.1998 2nd Trans-Tasman Challenge | +16 | 1798 | N/A |
| 4. 02.11.1999 Melbourne Cup Masters | +22 | 1820 | N/A |
| 5. 26.11.2000 3rd Trans-Tasman Challenge | +42 | 1862 | N/A |
| 6. 18.11.2002 4th Trans-Tasman Challenge | -66 | 1796 | N/A |
| 7. 26.11.2004 Trans-Tasman Challenge | -86 | 1710 | 145th |
| 8. 06.11.2006 6th Trans-Tasman Challenge | -45 | 1665 | 202nd |
| 9. 30.11.2008 7th Trans-Tasman Challenge | -17 | 1648 | 271st |
| 10. 18.11.2012 Trans-Tasman Challenge | -67 | 1582 | 370th |
| 11. 07.08.2016 Trans-Tasman Challenge | -67 | 1515 | 438th |
| 12. 22.04.2019 New Zealand Masters | +2 | 1517 | 474th |
| 13. 03.06.2019 New Zealand National Championship | -10 | 1507 | 487th |
