Yamaguchi, Kenta
Current rating: 1412
| Grand Prix Yokohama 2019 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 217 | Kuwashima, Syoutarou (1481) | Lost 0-2 | -181447 |
| 2modern | 842 | Senbokuya, Hikaru (1467) | Lost 0-2 | -171430 |
| 3modern | 1198 | Miyanishi, Makoto (1448) | Lost 0-2 | -181412 |
| top | average opponent: 1465record: 0-3 | new rating: 1412 | ||
| Grand Prix Kyoto 2019 (RNA standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 183 | Fukuchi, Tsubasa (1500) | Lost 0-2 | -181465 |
| top | record: 0-1 | new rating: 1465 | ||
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 724 | Sogo, Eiji (1531) | Lost 0-2 | -171483 |
| top | record: 0-1 | new rating: 1483 | ||