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Grandmaster

cpchenpi

Ryan Chen, あなたとは夢でまたあえたらなあ, Hefei, China
1386 problems
solved for all time
667 problems
solved for the last year
23 problems
solved for the last month
56 days
in a row max.
56 days
in a row for the last year
3 days
in a row for the last month