Luther, Christopher Ja
Current rating: 1423
Record: 4-9
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 106 | Nissen, Ryan (1500) | Won 2-0 | +191464 |
| 2sealed | 74 | Shu, Peter (1614) | Won 2-0 | +211485 |
| 3sealed | 34 | Yap, Jeffrey (1419) | Won 2-1 | +171502 |
| 4sealed | 60 | Lei, Qiang (1694) | Lost 0-2 | -151487 |
| 5sealed | 155 | Au Yong, Wai Kin (1708) | Lost 0-2 | -141473 |
| 6sealed | 267 | Xu, Ming (1655) | Lost 0-2 | -151458 |
| 7sealed | 274 | Sham, Jacky (1499) | Lost 1-2 | -171441 |
| 8sealed | 253 | Adikoesoemo, Austein (1413) | Lost 0-2 | -181423 |
| average opponent: 1563record: 3-5 | new rating: 1423 | |||
| Grand Prix Shanghai 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Wan, Nuo (1501) | Won 2-0 | +181518 |
| 2sealed | 53 | Zheng, Yaobo (1490) | Lost 0-2 | -191499 |
| 3sealed | 232 | Teng, Qing (1482) | Lost 1-2 | -181481 |
| 4sealed | 291 | Cao, Luming (1483) | Lost 0-2 | -181463 |
| 5sealed | 335 | Cui, Jiaxiong (1464) | Lost 0-2 | -181445 |
| average opponent: 1484record: 1-4 | new rating: 1445 | |||