| Date | Competitor | Country | Score | IAM level | Competition |
|---|---|---|---|---|---|
| 2002-08-24 | YIP SWE CHOOI | Malaysia | 1840 | 17 | World Memory Championship 2002 |
| 2002-08-18 | YIP SWE CHOOI | Malaysia | 1420 | 17 | MSO Memory Championship 2002 |
| 2000-08-21 | YIP SWE CHOOI | Malaysia | 1007 | 17 | World Memory Championship 2000 |
| 1999-08-26 | YIP SWE CHOOI | Malaysia | 950 | 17 | World Memory Championship 1999 |