Jelle van den Hooff
Timeline
| Contest | 2007 | 2008 | 2009 | 2010 |
|---|---|---|---|---|
| Worldwide High School and Collegiate Onsites: | ||||
| IOI | 
48
| 
11
| ||
| Worldwide Online Championships: | ||||
| TopCoder High School | - | - | 15 | |
- — competition hasn't been held that year, or wasn't an international championship, or we have no info about it
F — participated in the final event, but the rank is unknown
Q — qualified to the final event but hasn't participated in it
Q* — qualified to the final event only after some other contestant refused to participate