Seki, Yujin
Current rating: 1486
Record: 2-3
| Grand Prix Yokohama 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 583 | Kunisato, Ebie (1728) | Won 2-0 | +221522 |
| 2modern | 430 | Tonobe, Shinichi (1518) | Won 2-1 | +181540 |
| 3modern | 432 | Seo, Hiroki (1538) | Lost 1-2 | -181522 |
| 4modern | 366 | Hamaguchi, Shoji (1541) | Lost 1-2 | -181504 |
| 5modern | 761 | Kaneko, Junpei (1479) | Lost 0-2 | -181486 |
| average opponent: 1561record: 2-3 | new rating: 1486 | |||