Candidate Master

Heptagon18

VKRSDv2Dpmrt0luJBRj9 VKRSDv2Dpmrt0luJBRj9, Tongling, China
612 problems
solved for all time
86 problems
solved for the last year
22 problems
solved for the last month
8 days
in a row max.
3 days
in a row for the last year
2 days
in a row for the last month