Yong, Jacob
Current rating: 1447
Record: 1-4
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 144 | Wu, Wenhao (1486) | Lost 0-2 | -181482 |
| 2sealed | 336 | Chan, Techun (1499) | Lost 0-2 | -181464 |
| 3sealed | 348 | Tan, Sam (1491) | Lost 0-2 | -171447 |
| 4sealed | 381 | Lu, Yaolong (1449) | Won 2-0 | +181465 |
| 5sealed | 353 | Yin, Zhen Yao (1478) | Lost 1-2 | -181447 |
| average opponent: 1481record: 1-4 | new rating: 1447 | |||