Date Athlete Record Championship
1999-08-26YIP Swe Chooi950 digitsWorld Memory Championship 1999
2000-08-21YIP Swe Chooi1007 digitsWorld Memory Championship 2000
2001-08-23YIP Swe Chooi1240 digitsMSO Memory Championship 2001
2001-08-25YIP Swe Chooi1250 digitsWorld Memory Championship 2001
2002-08-18YIP Swe Chooi1420 digitsMSO Memory Championship 2002
2002-08-24YIP Swe Chooi1840 digitsWorld Memory Championship 2002
2003-08-23YIP Swe Chooi1855 digitsMSO Memory Championship 2003