Chapman, Joshua
Current rating: 1474
Record: 5-7
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 350 | Davidson, Raymond (1654) | Won 2-0 | +221484 |
| 2sealed | 6 | Cozzoli, Kevin (1471) | Won 2-1 | +181502 |
| 3sealed | 20 | Gray, David (1506) | Won 2-0 | +181520 |
| 4sealed | 1184 | Watters, Ryan (1545) | Won 2-0 | +181538 |
| 5sealed | 51 | Godines, Aric (1589) | Lost 1-2 | -171521 |
| 6sealed | 152 | Browne, Liam (1706) | Lost 1-2 | -151506 |
| 7sealed | 208 | Shields, True (1651) | Lost 1-2 | -151491 |
| 8sealed | 218 | Walski, John (1521) | Lost 0-2 | -171474 |
| average opponent: 1580record: 4-4 | new rating: 1474 | |||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 776 | Bradell, Chanse (1500) | Lost 1-2 | -181482 |
| 2sealed | 908 | Gregory, Ward (1415) | Won 2-1 | +171499 |
| 3sealed | 856 | Reedy, Joshua (1481) | Lost 0-2 | -191480 |
| 4sealed | 1055 | Kobal, Cheryl (1482) | Lost 0-2 | -181462 |
| average opponent: 1470record: 1-3 | new rating: 1462 | |||