Kojima, Hirotaka
Current rating: 1496
Record: 3-3
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 629 | Ishii, Asuha (1387) | Won 2-1 | +161516 |
| 2modern | 378 | Miura, Taku (1481) | Lost 0-2 | -191497 |
| 3modern | 864 | Wang, Guangzhao (1527) | Won 2-1 | +191516 |
| 4modern | 431 | Kato, Atushi (1532) | Won 2-1 | +181534 |
| 5modern | 184 | Ito, Sho (1449) | Lost 0-2 | -191515 |
| 6modern | 578 | Kuwashima, Syoutarou (1499) | Lost 0-2 | -191496 |
| average opponent: 1479record: 3-3 | new rating: 1496 | |||