4 Kyu
welken

Country/Region	China
Birth Year	2005
Codeforces ID	welken

Contest Status

• Algorithm
• Heuristic

Rank	9010th
Rating	1229
Highest Rating	1229 ― 4 Kyu (+171 to promote)
Rated Matches	18
Last Competed	2025/10/11

Competition History Last Contest Result