Kam, Chun Sing
Current rating: 1493
Record: 7-8
| Grand Prix Hong Kong 2017 (XLN limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 115 | Junyu, Lu (1500) | Won 2-1 | +181513 |
| 2sealed | 16 | Chan, Sze Hang (1831) | Lost 0-2 | -121501 |
| 3sealed | 243 | Liang, Mo (1627) | Lost 1-2 | -161485 |
| 4sealed | 288 | Wong, Andrew (1381) | Won 2-0 | +161501 |
| 5sealed | 191 | Chun, Bo Ruad (1824) | Won 2-1 | +241525 |
| 6sealed | 138 | Shair, Chung Ngai (1740) | Won 2-0 | +221547 |
| 7sealed | 97 | Teng, Kaiyuan (1358) | Lost 1-2 | -221525 |
| 8sealed | 194 | Lai, Pak Yin (1727) | Lost 1-2 | -141511 |
| 9sealed | 210 | Zheng, Tong (1517) | Lost 0-2 | -181493 |
| average opponent: 1612record: 4-5 | new rating: 1493 | |||
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 27 | Adikoesoemo, Austein (1304) | Lost 1-2 | -221478 |
| 2sealed | 213 | Pan, Guorong (1481) | Won 2-0 | +191497 |
| 3sealed | 246 | Chang, Wai Hou (1522) | Won 2-1 | +181515 |
| 4sealed | 164 | Lackey, Jonathan (1452) | Won 2-0 | +171532 |
| 5sealed | 112 | Lee, Nam San Nelson (1523) | Lost 1-2 | -181514 |
| 6sealed | 61 | Panganiban, Paolo (1471) | Lost 1-2 | -191495 |
| average opponent: 1459record: 3-3 | new rating: 1495 | |||