Grandmaster

cpchenpi

Ryan Chen, あなたとは夢でまたあえたらなあ, Hefei, China
1295 problems
solved for all time
694 problems
solved for the last year
33 problems
solved for the last month
56 days
in a row max.
56 days
in a row for the last year
5 days
in a row for the last month