Ong, Chong Soon Simon
Current rating: 1580
Record: 10-6-3
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 281 | Faiz, Nasrul (1500) | Won 2-0 | +161620 |
| 2sealed | 125 | sarto, raffy m (1615) | Lost 0-2 | -181602 |
| 3sealed | 219 | Arsyad, Ahmad (1460) | Won 2-1 | +161618 |
| 4sealed | 218 | Abdul Razak, Muhammad Farhan (1525) | Lost 0-2 | -201598 |
| 5sealed | 235 | Tan, Chai Jing (1572) | Lost 0-2 | -181580 |
| average opponent: 1534record: 2-3 | new rating: 1580 | |||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 67 | Tan, Su Teck (1488) | Won 2-0 | +181518 |
| 3standard | 64 | Trevor, Nathaniel (1499) | Won 2-0 | +171535 |
| 4standard | 1 | Cheng, Tung-Yi (1606) | Won 2-0 | +201555 |
| 5standard | 40 | Singh, Devsharan (1543) | Won 2-0 | +181573 |
| 6standard | 15 | Lim, Ernest (1695) | Won 2-1 | +201593 |
| 7standard | 9 | Lv, Jiachong (1576) | Won 2-0 | +171610 |
| 8standard | 5 | sia, david m (1603) | Won 2-0 | +181628 |
| 9standard | 3 | Kiwanont, Sukhum (1730) | Lost 1-2 | -161612 |
| 10standard | 5 | Du, Xuetong (1770) | Draw 1-1 | +31615 |
| 11standard | 7 | Zhang, Meng Qiu (1731) | Draw 1-1 | +21617 |
| 12standard | 13 | Keng, Wei Yang (1621) | Draw 1-1 | 01617 |
| 13standard | 15 | Lim, Fang Zhen Joseph (1672) | Lost 1-2 | -171600 |
| 14standard | 21 | Endo, Ryota (1797) | Lost 1-2 | -141586 |
| 15standard | 28 | Supapipat, Nattawin (1616) | Won 2-1 | +181604 |
| average opponent: 1639record: 8-3-3 | new rating: 1604 | |||