Ong, Jopie Yong Sheng
Current rating: 1481
Record: 3-4
| Grand Prix Singapore 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 62 | Lim, Thomas Yong Kian (1516) | Lost 0-2 | -181482 |
| 2sealed | 79 | Chong, Loy Francis (1483) | Won 2-0 | +181500 |
| 3sealed | 56 | Low, Boon Pin Arthur (1500) | Lost 0-2 | -181482 |
| 4sealed | 94 | Shi, Zhenhao (1412) | Lost 1-2 | -191463 |
| 5sealed | 108 | Ng, Choon Kai (1463) | Lost 0-2 | -181445 |
| 6sealed | 100 | Lu, Chee Yuen (1464) | Won 2-0 | +181463 |
| 7sealed | 89 | Ang, Chay Ann (1464) | Won 2-1 | +181481 |
| average opponent: 1472record: 3-4 | new rating: 1481 | |||