Kang, Jian
Current rating: 1530
| Grand Prix Chiba 2019 (M20 limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 439 | Kawaguchi, Shuto (1500) | Won 2-0 | +171591 |
| 2sealed | 253 | Tanaka, Tomonori (1316) | Won 2-1 | +131604 |
| 3sealed | 137 | Washimi, Kazuo (1726) | Lost 1-2 | -161588 |
| 4sealed | 632 | Tawada, Naoto (1535) | Lost 0-2 | -191569 |
| 5sealed | 642 | Ehara, Kouta (1575) | Lost 1-2 | -181551 |
| 6sealed | 687 | Naono, Shuichi (1375) | Lost 0-2 | -211530 |
| top | average opponent: 1505record: 2-4 | new rating: 1530 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 491 | Daikai, Rikiya (1604) | Won 2-0 | +191559 |
| 2sealed | 19 | Kurihara, Mitsuaki (1590) | Won 2-0 | +191578 |
| 3sealed | 86 | Tamai, Yuno (1642) | Won 2-1 | +191597 |
| 4sealed | 113 | Hamada, Yuusai (1503) | Lost 1-2 | -201577 |
| 5sealed | 473 | Oda, Bumpei (1568) | Lost 1-2 | -181559 |
| 6sealed | 639 | Wakabayashi, Makoto (1511) | Won 2-1 | +171576 |
| 7sealed | 216 | Kuribara, Shuta (1517) | Won 2-0 | +171593 |
| 8sealed | 194 | Ito, Takayuki (1561) | Lost 0-2 | -191574 |
| top | average opponent: 1562record: 5-3 | new rating: 1574 | ||
| Grand Prix Beijing 2018 (DOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 153 | Liu, Shang Ying (1360) | Won 2-0 | +151515 |
| 2sealed | 24 | Sun, Zhiyuan (1489) | Won 2-1 | +181533 |
| 3sealed | 100 | Tanaka, Akira (1720) | Lost 1-2 | -151518 |
| 4sealed | 275 | Zhao, Haotian (1691) | Lost 1-2 | -151503 |
| 5sealed | 310 | Zhai, Fengyang (1535) | Lost 1-2 | -171486 |
| 6sealed | 312 | He, Kerr (1419) | Won 2-0 | +171503 |
| 7sealed | 337 | Yu, Antai (1537) | Won 2-1 | +181521 |
| 8sealed | 204 | Wang, Kunrui (1541) | Won 2-0 | +191540 |
| top | average opponent: 1537record: 5-3 | new rating: 1540 | ||