Sia, Hwee Koon
Current rating: 1574
Record: 8-4
| Grand Prix Singapore 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 19 | Chong, Kelvin (1500) | Won 2-1 | +181518 |
| 2sealed | 32 | Tay, Kah Meng Bernard (1518) | Won 2-0 | +181536 |
| 3sealed | 30 | Law, Chang Teck (1536) | Won 2-1 | +181554 |
| 4sealed | 2 | Hua, Cheng (1571) | Won 2-0 | +181572 |
| 5sealed | 6 | Zhang, Qun (1541) | Won 2-1 | +181590 |
| 6sealed | 2 | Tang, Kai Cheong (1616) | Lost 0-2 | -181572 |
| 7sealed | 15 | Ng, Wei San Wesley (1596) | ID | 01572 |
| 8draft | 20 | Lin, Ming Yi (1572) | Won 2-1 | +181590 |
| 9draft | 8 | Ng, Wei San Wesley (1614) | Lost 0-2 | -171573 |
| 10draft | 10 | Mitsuhashi, Takashi (1606) | Lost 0-2 | -181555 |
| 11draft | 19 | Szigeti, Peter (1624) | Lost 0-2 | -161539 |
| 12draft | 30 | Wallin, Johnny (1499) | Won 2-1 | +171556 |
| 13draft | 23 | Tan, Allen Boon Hor (1570) | Won 2-0 | +181574 |
| average opponent: 1566record: 8-4-1 | new rating: 1574 | |||