Ong, Jason
Current rating: 1522
Record: 5-4
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 43 | Johan, Jimmy (1504) | Lost 1-2 | -181482 |
| 2sealed | 151 | Yau, Winnie (1558) | Won 2-1 | +191501 |
| 3sealed | 216 | Wong, Wilfred (1502) | Won 2-1 | +181519 |
| 4sealed | 76 | Lee, Timothy (1631) | Won 2-1 | +211540 |
| 5sealed | 102 | Cuello, Anthony (1431) | Lost 1-2 | -201520 |
| 6sealed | 133 | Lee, Al (1523) | Lost 1-2 | -181502 |
| 7sealed | 174 | Hoon, Kelvin (1613) | Lost 1-2 | -161486 |
| 8sealed | 191 | Nam, Yunbaek (1485) | Won 2-1 | +181504 |
| 9sealed | 145 | Lai, Charles (1515) | Won 2-1 | +181522 |
| average opponent: 1529record: 5-4 | new rating: 1522 | |||