Roberts, Griffin
Current rating: 1486
Record: 2-3-1
| Grand Prix Seattle 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| B1sealed | 389 | Glassford, Austin (1500) | Won 2-0 | +181518 |
| B2sealed | 439 | Sullivan, Caleb (1625) | Draw 1-1 | +21520 |
| B3sealed | 248 | Bennett, Ashley (1522) | Won 2-0 | +181538 |
| B4sealed | 129 | Hickey, Jon (1524) | Lost 1-2 | -181520 |
| B5sealed | 246 | Kinsey, Jeff (1741) | Lost 0-2 | -141506 |
| B6sealed | 321 | Hoshide, Naonari (1403) | Lost 1-2 | -201486 |
| average opponent: 1553record: 2-3-1 | new rating: 1486 | |||