Chang, Joseph [USA]
Current rating: 1505
Record: 3-3
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Winkelbach, Mitchell (1500) | Lost 1-2 | -181482 |
| 2sealed | 459 | Boudreau, Beau (1508) | Won 2-1 | +181500 |
| 3sealed | 298 | Zhou, Ariel (1503) | Won 2-1 | +191519 |
| 4sealed | 265 | Posa, Elmer Jr (1514) | Won 2-1 | +171536 |
| 5sealed | 240 | Castillo, Zaryn (1829) | Lost 0-2 | -121524 |
| 6sealed | 303 | Sage, Nathan (1498) | Lost 0-2 | -191505 |
| average opponent: 1559record: 3-3 | new rating: 1505 | |||