Grandmaster

jiazhichen844

IUqYpD1B4QwU9CgnGddv, Zhuji, China
1067 problems
solved for all time
357 problems
solved for the last year
5 problems
solved for the last month
17 days
in a row max.
8 days
in a row for the last year
2 days
in a row for the last month