| Date | Competitor | Country | Score | IAM level | Competition |
|---|---|---|---|---|---|
| 2005-08-13 | YIP SWE CHOOI | Malaysia | 129 | 12 | World Memory Championship 2005 |
| 2002-08-24 | YIP SWE CHOOI | Malaysia | 128 | 12 | World Memory Championship 2002 |
| 2002-08-18 | YIP SWE CHOOI | Malaysia | 104 | 12 | MSO Memory Championship 2002 |
| 2000-08-21 | YIP SWE CHOOI | Malaysia | 99 | 12 | World Memory Championship 2000 |
| 1999-08-26 | YIP SWE CHOOI | Malaysia | 3 | 12 | World Memory Championship 1999 |