3 Dan
hamadu 
| Country |  Japan |
|---|---|
| Birth Year | 1988 |
| Twitter ID | @hama_du |
| TopCoder ID | hama_du |
| Codeforces ID | hama-du |
| Affiliation | Research and Innovation Co., Ltd. |
Contest Status
| Rank | 395th |
|---|---|
| Rating | 2371 |
| Highest Rating | 2503 ― 3 Dan (+97 to promote) |
| Rated Matches | 43 |