Tan, Kek Chin
Current rating: 1462
Record: 3-5
| Grand Prix Singapore 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 113 | Gan, Jonathan (1500) | Won 2-1 | +181518 |
| 2extended | 23 | Tay, Yi Lu (1483) | Lost 0-2 | -191499 |
| 3extended | 89 | Emuang, Bradley Keith (1499) | Won 2-0 | +181517 |
| 4extended | 75 | Kwan, David Wei Phang (1465) | Lost 1-2 | -191498 |
| 5extended | 126 | Ching, Chao Chyvn Charles (1500) | Lost 1-2 | -181480 |
| 6extended | 131 | Hio, Man Tung Lester (1482) | Lost 1-2 | -181462 |
| 7extended | 129 | Koh, Zhi-Ti Jason (1464) | Lost 0-2 | -181444 |
| 8extended | 130 | Tan, Wee Cheng (1442) | Won 2-0 | +181462 |
| average opponent: 1479record: 3-5 | new rating: 1462 | |||