Griffith, Samuel
Current rating: 1447
Record: 3-6
| Grand Prix Atlanta 2018 (modern) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 216 | Phillips, Michael (1512) | Lost 1-2 | -181483 |
| 2modern | 458 | Daniels, Drezha (1448) | Lost 1-2 | -181465 |
| 3modern | 671 | Marcacci, Jason (1468) | Lost 1-2 | -181447 |
| average opponent: 1476record: 0-3 | new rating: 1447 | |||
| Grand Prix Atlanta 2003 (8ED standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Evans, Lee (1500) | Lost 1-2 | -181482 |
| 2standard | 170 | sahle, scott (1482) | Won 2-1 | +181500 |
| 3standard | 161 | Ashford, Marshall (1500) | Won 2-1 | +181518 |
| 4standard | 172 | Hooper, Geoff (1576) | Won 2-0 | +191537 |
| 5standard | 107 | Sheets, Derrick (1537) | Lost 0-2 | -181519 |
| 6standard | 106 | Ong, Nick (1526) | Lost 0-2 | -181501 |
| average opponent: 1520record: 3-3 | new rating: 1501 | |||