Jeff, Chang
Current rating: 1527
Record: 5-4
| Grand Prix Kobe 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 276 | Hayashi, Naoyuki (1484) | Won 2-0 | +181518 |
| 2modern | 376 | Shimizu, Naoki (1857) | Won 2-0 | +241542 |
| 3modern | 62 | Shibata, Yasumasa (1443) | Lost 0-2 | -201522 |
| 4modern | 735 | Inoue, Toru (1892) | Lost 1-2 | -121510 |
| 5modern | 808 | Hirooka, Yoshihiro (1439) | Lost 0-2 | -191491 |
| 6modern | 889 | Matusita, Takuzi (1483) | Won 2-0 | +181509 |
| 7modern | 744 | Kozakai, Yukio (1563) | Won 2-0 | +191528 |
| 8modern | 771 | Ikeda, Takuro (1533) | Won 2-0 | +181546 |
| 9modern | 542 | Davydov, Dmitriy (1499) | Lost 1-2 | -191527 |
| average opponent: 1577record: 5-4 | new rating: 1527 | |||