Sumida, Norihito
Current rating: 1574
Record: 9-6
| Grand Prix Chiba 2016 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 440 | Tanaka, Tarou (1520) | Won 2-0 | +181518 |
| 2legacy | 390 | Izushi, Kazuya (1517) | Won 2-1 | +181536 |
| 3legacy | 259 | Tanaka, Yuuya (1594) | Lost 1-2 | -171519 |
| 4legacy | 782 | Yabuta, Junichi (1807) | Won 2-1 | +241543 |
| 5legacy | 341 | Seki, Toshihide (1557) | Won 2-1 | +181561 |
| 6legacy | 230 | Nakajima, Takuto (1554) | Won 2-0 | +181579 |
| 7legacy | 94 | Suzuki, Shouta (1737) | Won 2-1 | +211600 |
| 8legacy | 90 | Obi, Atsushi (1636) | Lost 1-2 | -181582 |
| 9legacy | 136 | Yoshida, Akihiko (1665) | Won 2-0 | +201602 |
| 10legacy | 113 | Sato, Shinya (1637) | Lost 0-2 | -181584 |
| 11legacy | 146 | Shinozaki, Hiroki (1522) | Won 2-0 | +171601 |
| 12legacy | 95 | Sano, Daiki (1704) | Won 2-1 | +201621 |
| 13legacy | 49 | Yasooka, Shota (2183) | Lost 0-2 | -91612 |
| 14legacy | 143 | Sakate, Shunsuke (1459) | Lost 1-2 | -201592 |
| 15legacy | 169 | Yuasa, Masaki (1593) | Lost 0-2 | -181574 |
| average opponent: 1646record: 9-6 | new rating: 1574 | |||