Seo, Dong-Gyun
Current rating: 1509
Record: 3-3
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 287 | Chao, Cheng-Yii (1500) | Won 2-0 | +181518 |
| 2standard | 42 | Lu, Lin 1190 (1536) | Won 2-1 | +181536 |
| 3standard | 167 | Yu, Pi Hsiang (1823) | Won 2-0 | +231559 |
| 4standard | 58 | Zhou, Rui (1551) | Lost 1-2 | -181541 |
| 5standard | 221 | Wen, Tsai Lin (1539) | Lost 1-2 | -181523 |
| 6standard | 213 | Miyagi, Moto (1722) | Lost 0-2 | -141509 |
| average opponent: 1612record: 3-3 | new rating: 1509 | |||