4 Kyu
welken

Country/Region	China
Birth Year	2005
Codeforces ID	welken

Contest Status

• Algorithm
• Heuristic

Rank	8742nd
Rating	1287
Highest Rating	1287 ― 4 Kyu (+113 to promote)
Rated Matches	20
Last Competed	2026/05/16

Competition History Last Contest Result