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

Master

bvd

Bui Viet Dung, Hanoi, Vietnam
1780 problems
solved for all time
5 problems
solved for the last year
0 problems
solved for the last month
12 days
in a row max.
1 day
in a row for the last year
0 days
in a row for the last month