5 Dan
chokudai 
| Country |  Japan |
|---|---|
| Birth Year | 1988 |
| Twitter ID | @chokudai |
| TopCoder ID | chokudai |
| Codeforces ID | chokudai |
| Affiliation | AtCoder Inc. CEO |
Contest Status
| Rank | 79th |
|---|---|
| Rating | 2930 |
| Highest Rating | 2978 ― 5 Dan (+22 to promote) |
| Rated Matches | 17 |