Sumino, Yuki
Current rating: 1556
Record: 4-1
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 401 | Akama, Takaharu (1462) | Won 2-0 | +171517 |
| 2modern | 601 | Kataoka, Hiroaki (1619) | Won 2-0 | +201537 |
| 3modern | 533 | Adachi, Ryosuke (1500) | Lost 0-2 | -191518 |
| 4modern | 760 | Nakamura, Yuu (1517) | Won 2-0 | +181536 |
| 5modern | 460 | Kozakai, Yukio (1597) | Won 2-1 | +201556 |
| average opponent: 1539record: 4-1 | new rating: 1556 | |||