Ng, Ka Man
Current rating: 1501
Record: 6-6-1
| Grand Prix Hong Kong 2015 (ORI limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 199 | Lemmon, Andrew (1441) | Won 2-1 | +171502 |
| 2sealed | 27 | Adikoesoemo, Austein (1326) | Lost 0-2 | -211481 |
| 3sealed | 338 | Zhang, JingYhe (1500) | Lost 0-1 | -181463 |
| 4sealed | 364 | Lau, Tze Lung (1480) | Won 2-0 | +191482 |
| 5sealed | 297 | Lam, Lo Lap (1501) | Won 2-0 | +181500 |
| 6sealed | 191 | Hisano, Mikita (1486) | Won 2-1 | +181518 |
| 7sealed | 168 | San, Xing (1561) | Lost 1-2 | -171501 |
| average opponent: 1471record: 4-3 | new rating: 1501 | |||
| Grand Prix Hong Kong 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Feleo, Anthony (1554) | Lost 0-2 | -171483 |
| 2sealed | 58 | Chiu, Lau Wai (1482) | Draw 1-1 | 01483 |
| 3sealed | 61 | Tam, Saviour (1482) | Lost 1-2 | -181465 |
| 4sealed | 87 | Lam, King Shing (1464) | Lost 1-2 | -181447 |
| 5sealed | 85 | Chiu, Marcus (1448) | Won 2-0 | +181465 |
| 6sealed | 71 | Eng, Boon Tat Elvin (1579) | Won 2-0 | +201485 |
| average opponent: 1501record: 2-3-1 | new rating: 1485 | |||