Griffith, Mark
Current rating: 1480
Record: 2-3
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 254 | Walsh, Sarah (1500) | Lost 0-2 | -181482 |
| 2standard | 424 | Escobedo, Antonio (1482) | Won 2-0 | +181500 |
| 3standard | 564 | Carter, Tj (1499) | Won 2-1 | +181518 |
| 4standard | 424 | Nelson, Benjamin (1499) | Lost 0-2 | -181500 |
| 5standard | 462 | Jones, Lassen (1408) | Lost 1-2 | -201480 |
| average opponent: 1478record: 2-3 | new rating: 1480 | |||