1 Dan
jch123

Country/Region	China
Birth Year	2010
Codeforces ID	jch123

Contest Status

• Algorithm
• Heuristic

Rank	1556th (Top 1.21%)
Rating	2009
Highest Rating	2009 ― 1 Dan (+191 to promote)
Rated Matches	23
Last Competed	2026/07/11

Competition History Last Contest Result