Su, Marcus S
Current rating: 1481
Record: 3-4
| Grand Prix Singapore 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Kong, Chong Teng (1500) | Lost 0-2 | -181482 |
| 2sealed | 63 | Koe, Jonathan (1482) | Lost 0-2 | -181464 |
| 3sealed | 99 | Hiu, Choon Pien (1402) | Won 2-0 | +171481 |
| 4sealed | 92 | Su, Xu (1483) | Won 2-0 | +181499 |
| 5sealed | 74 | Chan, Jarrod Kuan Jie (1499) | Won 2-1 | +181517 |
| 6sealed | 43 | Huang, Hao-Shan (1498) | Lost 0-1 | -181499 |
| 7sealed | 72 | Watabe, Naoto (1500) | Lost 0-2 | -181481 |
| average opponent: 1481record: 3-4 | new rating: 1481 | |||