Cao, Qiu
Current rating: 1482
Record: 4-5
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 204 | Hu, Chen (1500) | Lost 0-2 | -181482 |
| 2sealed | 211 | Zhang, Feng (1482) | Lost 1-2 | -181464 |
| 3sealed | 236 | Xiong, Zhendong (1464) | Lost 0-2 | -181446 |
| 4sealed | 290 | Bai, Hualin (1446) | Won 2-0 | +181464 |
| 5sealed | 245 | Wang, Fanfei (1465) | Won 2-0 | +181482 |
| 6sealed | 193 | Wang, Ronghao (1481) | Won 2-0 | +181500 |
| 7sealed | 159 | Yang, Yang (1502) | Won 2-0 | +181518 |
| 8sealed | 126 | Chen, Chen (1518) | Lost 0-2 | -181500 |
| 9sealed | 104 | Chen, Jia Lin (1500) | Lost 1-2 | -181482 |
| average opponent: 1484record: 4-5 | new rating: 1482 | |||