2 Dan
pumpkin_tree 
| Country/Region |  China |
|---|---|
| Birth Year | 2009 |
| Codeforces ID | wangsiyuanZP |
| Affiliation | wangsiyuanZP 早该退役了 |
Contest Status
| Rank | 643rd |
|---|---|
| Rating |  2217
(Provisional) |
| Highest Rating | 2217
―
2 Dan
(+183 to promote)
|
| Rated Matches | 8 |
| Last Competed | 2025/10/05 |