Son, Won-Ho
Current rating: 1500
Record: 4-4
| Grand Prix Hong Kong 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 20 | Tam, Jeremy (1500) | Won 2-0 | +181518 |
| 2sealed | 17 | Ong, Boon Kiat (1518) | Lost 1-2 | -181500 |
| 3sealed | 66 | Miu, Shan Chi (1501) | Lost 1-2 | -181482 |
| 4sealed | 95 | Yu, Chi Chong (1484) | Won 2-0 | +181500 |
| 5sealed | 91 | Tsang, Hin Kuen (1504) | Won 0-0 | +181518 |
| 6sealed | 81 | Wong, Hoi Shui (1519) | Lost 0-2 | -181500 |
| 7sealed | 77 | Jian, Sheng Xiu (1458) | Won 2-1 | +171517 |
| 8sealed | 58 | Jung, Ga Ram (1527) | Lost 1-2 | -171500 |
| average opponent: 1501record: 4-4 | new rating: 1500 | |||