Lau, Roc
Current rating: 1516
Record: 5-4
| Grand Prix Beijing 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 29 | Ji, Zihao (1500) | Lost 0-2 | -181482 |
| 2sealed | 265 | Yang, Jiqian (1519) | Won 2-0 | +191501 |
| 3sealed | 147 | Wang, Ziyi (1500) | Lost 1-2 | -181483 |
| 4sealed | 323 | Yao, Shuo (1483) | Won 2-1 | +181501 |
| 5sealed | 192 | Zhong, Liang (1502) | Won 2-1 | +181519 |
| 6sealed | 122 | Wang, Shuo (1524) | Won 2-1 | +181537 |
| 7sealed | 107 | Jiao, Chang (1440) | Lost 0-2 | -201517 |
| 8sealed | 179 | Yu, Hong Da (1459) | Lost 0-2 | -191498 |
| 9sealed | 171 | Guo, Yu Hao (1500) | Won 2-0 | +181516 |
| average opponent: 1492record: 5-4 | new rating: 1516 | |||