Ota, Seiko
Current rating: 1481
Record: 2-3
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 324 | Itou, Motoki (1547) | Won 2-1 | +191519 |
| 2standard | 571 | Takimoto, Yusuke (1568) | Lost 0-2 | -171502 |
| 3standard | 955 | Bae, Sanghoon (1586) | Lost 1-2 | -171485 |
| 4standard | 886 | Kurokawa, Yuuki (1366) | Lost 1-2 | -201465 |
| 5standard | 961 | Masuda, Rintarou (1354) | Won 2-0 | +161481 |
| average opponent: 1484record: 2-3 | new rating: 1481 | |||