Tang, Chengzhi
Current rating: 1434
| Grand Prix Beijing 2018 (DOM limited) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 234 | Shao, Huanchong (1532) | Won 2-1 | +191472 |
| 2sealed | 174 | Ni, Chunlong (1447) | Lost 1-2 | -181454 |
| 3sealed | 338 | Yan, Chunhui (1411) | Lost 0-2 | -191435 |
| 4sealed | 334 | Gong, Zheng (1581) | Won 2-1 | +211456 |
| 5sealed | 232 | Liang, Xushuang (1415) | Won 2-1 | +171473 |
| 6sealed | 216 | Shi, Chen (1345) | Lost 1-2 | -201453 |
| 7sealed | 242 | Li, Tao (1428) | Lost 0-2 | -191434 |
| top | average opponent: 1451record: 3-4 | new rating: 1434 | ||
| Grand Prix Beijing 2017 (AKH limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 45 | Wang, Ning (1450) | Lost 0-2 | -191470 |
| 2sealed | 251 | Wang, Yang 2857 (1506) | Lost 1-2 | -171453 |
| 3sealed | 443 | Zhu, Jia Nan (1449) | Won 2-0 | +181471 |
| 4sealed | 378 | Yin, Hongrui (1431) | Won 2-0 | +171488 |
| 5sealed | 335 | Ling, Mohan (1478) | Lost 0-2 | -181470 |
| 6sealed | 384 | Liu, Yangming (1514) | Lost 1-2 | -171453 |
| top | average opponent: 1471record: 2-4 | new rating: 1453 | ||
| Grand Prix Guangzhou 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1026 | Cao, Yuan (1482) | Won 2-1 | +181518 |
| 2modern | 1058 | Lin, Ting (1518) | Lost 0-2 | -181500 |
| 3modern | 202 | Cheng, Lin Zhi (1491) | Lost 0-2 | -181482 |
| 4modern | 1161 | Wang, Shao (1417) | Won 2-1 | +161498 |
| 5modern | 174 | Dong, Xiangjie (1507) | Lost 0-2 | -171481 |
| 6modern | 172 | Inoue, Toru (1858) | Won 2-0 | +241505 |
| 7modern | 125 | Cheng, Ting Hin (1612) | Lost 1-2 | -161489 |
| top | average opponent: 1555record: 3-4 | new rating: 1489 | ||