Zheng, Guan
Current rating: 1504
Record: 4-4
| Grand Prix Hong Kong 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 78 | Fong, Chun Ho (1479) | Lost 0-2 | -181482 |
| 2modern | 262 | Ma, Jingyi (1499) | Lost 0-2 | -181464 |
| 3modern | 377 | Fanjaud, Xavier (1427) | Won 2-0 | +171481 |
| 4modern | 375 | Takahashi, Ryo 3906 (1740) | Lost 1-2 | -131468 |
| 5modern | 348 | Lee, Jung Ping (1466) | Lost 0-2 | -181450 |
| 6modern | 362 | Shi, Liang-Ru (1443) | Won 2-1 | +181468 |
| 7modern | 314 | Liu, Xingyang (1528) | Won 2-0 | +191487 |
| 8modern | 259 | Huang, Jinghao (1440) | Won 2-0 | +171504 |
| average opponent: 1503record: 4-4 | new rating: 1504 | |||