Yong, Kim Seng Sebastian
Current rating: 1446
Record: 2-5
| Grand Prix Singapore 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Ong, Sze Tat (1500) | Lost 0-2 | -181482 |
| 2sealed | 59 | Ong, Wei Meng (1481) | Lost 0-2 | -181464 |
| 3sealed | 88 | Tang, Wen Yong (1478) | Lost 1-2 | -181446 |
| 4sealed | 114 | Ng, Bernard (1446) | Won 2-0 | +181464 |
| 5sealed | 100 | Ong, Chin Wee (1464) | Won 2-0 | +181482 |
| 6sealed | 93 | Chung, Ian Wai Ming (1467) | Lost 0-2 | -181464 |
| 7sealed | 91 | Lau, Bing Hong Wilfred (1465) | Lost 0-2 | -181446 |
| average opponent: 1471record: 2-5 | new rating: 1446 | |||