Chong, Qi Da
Current rating: 1500
Record: 4-4
| Grand Prix Singapore 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 68 | Ng, Eric Jun Feng (1500) | Lost 1-2 | -181482 |
| 2extended | 87 | Tan, Han Lin (1482) | Lost 0-2 | -181464 |
| 3extended | 134 | Koh, Shao Hong (1464) | Lost 1-2 | -181446 |
| 4extended | 178 | Tan, Wee Cheng (1443) | Won 2-0 | +181464 |
| 5extended | 159 | Yung, Yung (1465) | Lost 1-2 | -181446 |
| 6extended | 163 | Chong, Daniel (1447) | Won 2-0 | +181464 |
| 7extended | 142 | Chong, David Tian Wei (1464) | Won 2-0 | +181482 |
| 8extended | 108 | Lim, Leslie (1490) | Won 2-0 | +181500 |
| average opponent: 1469record: 4-4 | new rating: 1500 | |||