sun, yiwen
Current rating: 1554
Record: 7-4
| Grand Prix Shanghai 2012 (M13 limited) | starting rating: 1556 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 151 | Tang, Jingjing (1516) | Won 2-0 | +171573 |
| 2sealed | 10 | Geng, Yu (1518) | Lost 0-2 | -191554 |
| average opponent: 1517record: 1-1 | new rating: 1554 | |||
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Zhang, Hongxiang (1500) | Won 2-0 | +181518 |
| 2sealed | 30 | Wang, Hao (1518) | Won 2-0 | +181536 |
| 3sealed | 38 | dai, zhenyu (1536) | Won 2-0 | +181554 |
| 4sealed | 83 | Sun, Dong han (1553) | Won 2-0 | +181572 |
| 5sealed | 33 | Hong, Cangtao (1571) | Won 2-1 | +181590 |
| 6sealed | 4 | Li, Ning (1536) | Lost 0-2 | -191571 |
| 7sealed | 53 | Tiong, Chris (1741) | Won 2-0 | +211592 |
| 8sealed | 19 | Ji, Xinruo (1575) | Lost 1-2 | -181574 |
| 9sealed | 38 | Cheng, Mingdao (1574) | Lost 1-2 | -181556 |
| average opponent: 1567record: 6-3 | new rating: 1556 | |||