Koyama, Taiga
Current rating: 1482
Record: 1-2
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 277 | Seike, Makoto (1541) | Won 2-0 | +191519 |
| 2sealed | 187 | Sakuragi, Kenta (1406) | Lost 1-2 | -201499 |
| 3sealed | 618 | Yokoyama, Takaya (1560) | Lost 1-2 | -171482 |
| average opponent: 1502record: 1-2 | new rating: 1482 | |||