4 Dan
riano_

Country/Region	Japan
Birth Year	1994
X(Twitter) ID	@riano_17
Codeforces ID	riano_

Contest Status

• Algorithm
• Heuristic

Rank	142nd (Top 0.11%)
Rating	2668
Highest Rating	2758 ― 4 Dan (+42 to promote)
Rated Matches	119
Last Competed	2026/07/19

Competition History Last Contest Result