Ong, Qian Chern
Current rating: 1474
Record: 4-6-2
| Grand Prix Brisbane 2019 (ELD standard) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 88 | Mason, Luke (1500) | Won 2-1 | +191467 |
| 2standard | 101 | Summerville, David (1510) | Lost 0-1 | -171450 |
| 3standard | 139 | Lynch, Jack [AUS] (1498) | Won 2-0 | +191469 |
| 4standard | 102 | Marshall, Geoffrey (1615) | Lost 0-2 | -161453 |
| 5standard | 101 | Andrews, Fraser (1506) | Won 2-0 | +191472 |
| 6standard | 118 | Watson, Elizabeth (1459) | Lost 1-2 | -181454 |
| 7standard | 99 | Low, Arthur (1391) | Won 2-0 | +171471 |
| 8standard | 62 | Hoshide, Naonari (1658) | Draw 1-1 | +31474 |
| average opponent: 1517record: 4-3-1 | new rating: 1474 | |||
| Grand Prix Sydney 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Wright, Dale (1541) | Lost 0-2 | -171483 |
| 2sealed | 161 | Manzano, Francis (1482) | Draw 1-1 | 01483 |
| 3sealed | 216 | Burnside, Matthew (1575) | Lost 0-2 | -171466 |
| 4sealed | 232 | Jordaan, Johan (1448) | Lost 0-2 | -181448 |
| average opponent: 1512record: 0-3-1 | new rating: 1448 | |||