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International Grandmaster

MoRanAirConditioner

Yufan Xiang, Beijing, China
From RDFZ
Only public activity
1139 problems
solved for all time
2 problems
solved for the last year
0 problems
solved for the last month
15 days
in a row max.
1 day
in a row for the last year
0 days
in a row for the last month