| Rating change | Rank | ||
| 1. 20.09.1998 Asia Pacific Championships | 1777 | N/A | |
| 2. 27.06.1999 Channel NewsAsia World Masters | -32 | 1745 | N/A |
| 3. 15.05.2000 3rd Singapore Open | -16 | 1728 | N/A |
| 4. 06.05.2001 4th Singapore Open | -19 | 1709 | N/A |
| 5. 14.12.2003 2nd Causeway Challenge | +26 | 1735 | N/A |
| 6. 24.06.2007 22nd Brand's Kings Cup | |||
