Yamaguchi, Hideki
Current rating: 1443
Record: 1-4
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 170 | Asanuma, Shota (1500) | Lost 0-2 | -181482 |
| 2pioneer | 400 | Tanaka, Toshimitsu (1481) | Lost 0-2 | -181464 |
| 3pioneer | 814 | Gotoh, Takuto (1363) | Lost 0-2 | -201444 |
| 4pioneer | 780 | Kim, Namgyun (1446) | Won 2-0 | +181462 |
| 5pioneer | 708 | Kubota, Hirofumi (1381) | Lost 0-2 | -191443 |
| average opponent: 1434record: 1-4 | new rating: 1443 | |||