Ong, Kiat Sing
Current rating: 1517
Record: 7-6-1
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 317 | Tanedo, Boyd Vincent (1371) | Won 2-1 | +161517 |
| 2sealed | 89 | Eing Yung, Lee (1447) | Lost 1-2 | -191498 |
| 3sealed | 240 | Chen, Hsin Chuan Sean (1502) | Won 2-0 | +181516 |
| 4sealed | 162 | Joseph, Nevim j (1538) | Won 2-1 | +181534 |
| 5sealed | 166 | Oh, Chai Hock Andrew (1520) | Lost 1-2 | -181516 |
| 6sealed | 219 | Wu, Sebastian (1521) | Won 2-0 | +181534 |
| 7sealed | 138 | Lim, Jimmy Chun Long (1606) | Lost 1-2 | -171517 |
| average opponent: 1501record: 4-3 | new rating: 1517 | |||
| Grand Prix Singapore 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 23 | Shi, Zhenhao (1428) | Won 2-1 | +171517 |
| 2sealed | 45 | Hoon, Kelvin (1659) | Lost 0-2 | -161501 |
| 3sealed | 51 | Fu, Kenneth Shi Hong (1517) | Draw 1-1 | +11502 |
| 4sealed | 75 | Lee, Jing Huei (1479) | Lost 1-2 | -191483 |
| 5sealed | 92 | Tan, Keng Wee Samuel (1482) | Lost 0-2 | -181465 |
| 6sealed | 99 | Ng, Boon Tat (1464) | Won 2-0 | +181483 |
| 7sealed | 79 | Yau, Heen Onn (1500) | Won 2-1 | +181501 |
| average opponent: 1504record: 3-3-1 | new rating: 1501 | |||