Griffith, Ethan
Current rating: 1631
Record: 19-13-3
| Grand Prix Austin 2020 (modern) | starting rating: 1657 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 75 | McDonald, Shawn (1440) | Won 2-0 | +141671 |
| 2modern | 7 | Hollman, Peter (1634) | Lost 0-2 | -191652 |
| 3modern | 293 | Keesee, Christian (1497) | Lost 1-2 | -211631 |
| top | average opponent: 1524record: 1-2 | new rating: 1631 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1627 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 362 | Jung, Sang (1549) | Won 2-0 | +171644 |
| 2modern | 173 | Truong, Michael (1501) | Won 2-1 | +151659 |
| 3modern | 242 | Hager, Stephen (1756) | Draw 1-1 | +21661 |
| 4modern | 129 | Spee, Fin (1535) | Won 2-1 | +151676 |
| 5modern | 68 | Green, Robert (1473) | Draw 1-1 | -31673 |
| 6modern | 160 | Gao, Sean (1729) | Draw 1-1 | +11674 |
| 7modern | 134 | Orrmons, Kale (1721) | Lost 0-2 | -171657 |
| top | average opponent: 1609record: 3-1-3 | new rating: 1657 | ||
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 243 | Warden, Justin (1464) | Won 2-1 | +171525 |
| 2sealed | 79 | Eccleston, Javier (1590) | Won 2-0 | +191544 |
| 3sealed | 176 | Cotter, Andrew (1630) | Won 2-0 | +201564 |
| 4sealed | 68 | Tatum, Joseph (1597) | Lost 1-2 | -181546 |
| 5sealed | 124 | Li, Lucas Muxi (1522) | Lost 0-2 | -181528 |
| 6sealed | 282 | Medford, David (1521) | Won 2-1 | +181546 |
| 7sealed | 199 | Soules, Daniel (1453) | Won 2-1 | +161562 |
| 8sealed | 136 | Loveman, Eli (1927) | Won 2-0 | +251587 |
| 9sealed | 60 | Rutledge, Jamie (1547) | Won 2-1 | +171604 |
| 10draft | 63 | Germar, Richard (1714) | Won 2-0 | +201624 |
| 11draft | 97 | Barber, Ian (1908) | Lost 0-2 | -131611 |
| 12draft | 78 | Swarowski, Robert (1972) | Lost 1-2 | -121599 |
| 13draft | 42 | Cloyd, Jeremy (1822) | Lost 0-2 | -141585 |
| 14draft | 94 | Winslett, Isaac (1632) | Won 2-1 | +191604 |
| 15draft | 62 | Ritner, Ronnie (1882) | Won 2-1 | +231627 |
| top | average opponent: 1679record: 10-5 | new rating: 1627 | ||
| Grand Prix Houston 2018 (RIX limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Jackson, Spencer (1500) | Lost 0-2 | -181508 |
| top | record: 0-1 | new rating: 1508 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 224 | Sone, Brad (1500) | Won 2-1 | +181518 |
| 2standard | 363 | Krolik, Chip (1394) | Won 2-0 | +161534 |
| 3standard | 25 | Wilson, Gabriel (1749) | Lost 1-2 | -141520 |
| 4standard | 227 | Kanegawa, Toshiya (1805) | Lost 0-2 | -131507 |
| 5standard | 634 | Pitts, Jason (1465) | Lost 0-2 | -191488 |
| 6standard | 625 | Joubert, Hillary (1549) | Won 2-1 | +191507 |
| 7standard | 579 | Potts, Joshua (1466) | Won 2-0 | +171524 |
| 8standard | 304 | Bedell, Rodney (1594) | Won 2-0 | +201544 |
| 9standard | 197 | Koarata Da Costa, Willian Rafael (1588) | Lost 1-2 | -181526 |
| top | average opponent: 1568record: 5-4 | new rating: 1526 | ||