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

Candidate Master

cs142857

Shi Chen, Liuzhou, China
From Google
731 problems
solved for all time
117 problems
solved for the last year
5 problems
solved for the last month
18 days
in a row max.
18 days
in a row for the last year
1 day
in a row for the last month