Ong, Chin Kai
Current rating: 1500
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 272 | Zeng, Yi (1500) | Lost 0-2 | -191500 |
| top | record: 0-1 | new rating: 1500 | ||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Tschirsch, Martin A (1500) | Lost 1-2 | -171469 |
| 2standard | 207 | Tang, Mun Wye (1567) | Won 2-0 | +191488 |
| 3standard | 149 | Yip, Kwong Keong (1499) | Won 2-1 | +191507 |
| 4standard | 134 | Soh, Terry (1978) | Won 2-1 | +261533 |
| 5standard | 72 | Rosdin, Razif (1559) | Lost 0-2 | -181515 |
| 6standard | 117 | Tan, Xing Yong (1692) | Won 2-1 | +211536 |
| 7standard | 85 | Tay, Jun Hao (1556) | Lost 1-2 | -171519 |
| top | average opponent: 1621record: 4-3 | new rating: 1519 | ||
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 41 | Shi, Xiang (1571) | Lost 1-2 | -171483 |
| 3standard | 103 | Sy, Marc Spencer (1500) | Won 2-1 | +191502 |
| 4standard | 145 | Foo, Pee Chun (1517) | Won 2-0 | +181520 |
| 5standard | 143 | Cancio, John Michael (1564) | Lost 0-2 | -171503 |
| 6standard | 175 | Seow, Chuan Jie (1492) | Won 2-1 | +171520 |
| 7standard | 97 | Zulkafly, Abdullah (1496) | Lost 0-2 | -181502 |
| 8standard | 124 | Wong, Don (1476) | Draw 1-1 | 01502 |
| 9standard | 105 | Botkov, Max (1662) | Lost 0-2 | -161486 |
| top | average opponent: 1535record: 3-4-1 | new rating: 1486 | ||