Jaffray, Justin
Current rating: 1434
Record: 2-6
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 442 | King, Oliver (1489) | Lost 1-2 | -181452 |
| 2sealed | 474 | He, Stephen (1483) | Lost 1-2 | -171435 |
| 3sealed | 612 | Vargas, Luis (1385) | Won 2-0 | +171452 |
| 4sealed | 516 | Barnabo, Collin (1436) | Lost 0-2 | -181434 |
| average opponent: 1448record: 1-3 | new rating: 1434 | |||
| Grand Prix Richmond 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 28 | Parks, Ryan (1500) | Won 2-1 | +181518 |
| 2standard | 63 | Ma, Xiaozhe (1675) | Lost 1-2 | -151503 |
| 3standard | 231 | Shannon, Quinn (1509) | Lost 0-2 | -181485 |
| 4standard | 249 | Calhoun, Christopher (1645) | Lost 0-2 | -151470 |
| average opponent: 1582record: 1-3 | new rating: 1470 | |||