Sung, Insik
Current rating: 1483
Record: 2-3
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 182 | Kanari, Ken (1576) | Lost 0-2 | -171483 |
| 2sealed | 801 | Takatsuto, Ryou (1482) | Won 2-1 | +181501 |
| 3sealed | 851 | Murata, Hiroaki (1486) | Lost 1-2 | -181483 |
| 4sealed | 798 | Sasagawa, Hitoshi (1467) | Won 2-1 | +181501 |
| 5sealed | 659 | Tanakajima, Tatsuki (1496) | Lost 0-2 | -181483 |
| average opponent: 1501record: 2-3 | new rating: 1483 | |||