Rating changes for last rounds are temporarily rolled back. They will be returned soon. ×

Expert

notyour_young

Fengyang Li, Langfang, China
1147 problems
solved for all time
257 problems
solved for the last year
0 problems
solved for the last month
53 days
in a row max.
12 days
in a row for the last year
0 days
in a row for the last month