Wei, Jiayi
Current rating: 1484
Record: 2-3-2
| Grand Prix Shanghai 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 46 | Xu, Ming1 (1518) | Draw 1-1 | 01500 |
| 3sealed | 121 | Yu, Junhui (1518) | Won 2-0 | +191519 |
| 4sealed | 102 | Chen, Cheng (1500) | Draw 1-1 | -11518 |
| 5sealed | 174 | Lee, Chao Yi (1518) | Lost 0-2 | -181500 |
| 6sealed | 233 | Wang, Yi (1505) | Won 2-0 | +181518 |
| 7sealed | 170 | Wong, Johan (1575) | Lost 1-2 | -171501 |
| 8sealed | 195 | Yin, Yue (1519) | Lost 1-2 | -171484 |
| average opponent: 1522record: 2-3-2 | new rating: 1484 | |||