Kodaka, Akihiro
Current rating: 1499
Record: 4-4
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 303 | Takamiya, Kazuya (1437) | Lost 1-2 | -191481 |
| 2modern | 843 | Bae, Daekyeung (1723) | Lost 1-2 | -141467 |
| 3modern | 1148 | Kai, Masatoshi (1499) | Won 2-1 | +191486 |
| 4modern | 1064 | Hirama, Takanori (1386) | Won 2-0 | +161502 |
| 5modern | 575 | Kawanami, Masao (1401) | Won 2-0 | +161518 |
| 6modern | 609 | Kisanuki, Akira (1478) | Won 2-0 | +171535 |
| 7modern | 243 | Tezuka, Takatomo (1500) | Lost 1-2 | -181517 |
| 8modern | 383 | Tatsumi, Kouji (1553) | Lost 0-2 | -181499 |
| average opponent: 1497record: 4-4 | new rating: 1499 | |||