Yang Cheng
Country:
External Profiles:
Timeline
| Contest | 1989 | 1990 | 1991 | 1992 |
|---|---|---|---|---|
| Worldwide High School and Collegiate Onsites: | ||||
| IOI | 
9
| 
2
| ||
- — 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