Cheng, Dai
Current rating: 1468
| Grand Prix Shanghai 2014 (KTK limited) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 281 | Jiang, Yaxing (1500) | Won 2-1 | +201453 |
| 2sealed | 262 | Peng, Jianjia (1645) | Won 2-1 | +211474 |
| 3sealed | 179 | Ip, Mun Lam (1536) | Lost 0-2 | -171457 |
| 4sealed | 154 | Yu, Guo Bin (1551) | Won 2-1 | +201477 |
| 5sealed | 225 | Kong, Qingzhong (1537) | Lost 1-2 | -171460 |
| 6sealed | 293 | Tao, Danjie (1638) | Won 2-0 | +211481 |
| 7sealed | 109 | Shimizu, Naoki (1765) | Lost 0-2 | -131468 |
| top | average opponent: 1596record: 4-3 | new rating: 1468 | ||
| Grand Prix Shanghai 2012 (M13 limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 83 | Lu, Yao (1500) | Lost 1-2 | -171429 |
| 2sealed | 222 | Chi, Jingyang (1545) | Lost 0-2 | -161413 |
| 3sealed | 320 | Tu, Zhigang (1464) | Won 2-1 | +191432 |
| 4sealed | 270 | Zhou, Xiang (1482) | Won 2-0 | +191451 |
| 5sealed | 195 | Mooncalf, Frederick E (1498) | Lost 0-2 | -181433 |
| top | average opponent: 1498record: 2-3 | new rating: 1433 | ||
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 74 | Zhang, Jianchi (1500) | Lost 0-2 | -181482 |
| 2sealed | 190 | Ni, Xiaopu (1482) | Won 2-1 | +181500 |
| 3sealed | 158 | Li, Chao (1475) | Lost 1-2 | -181482 |
| 4sealed | 253 | Kozelov, Roman (1482) | Lost 0-2 | -181464 |
| 5sealed | 265 | Ye, Chenyi (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1481record: 1-4 | new rating: 1446 | ||