Groth, Jason
Current rating: 1489
Record: 6-7
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 202 | Toy, Christopher (1562) | Won 2-1 | +191524 |
| 2modern | 565 | Williams, Stephen (1490) | Lost 1-2 | -191505 |
| 4modern | 468 | Huss, Malcolm (1519) | Lost 0-2 | -181487 |
| 5modern | 587 | Fontes, Carlos (1566) | Won 2-0 | +201507 |
| 6modern | 514 | Chiaramonte, Michael (1503) | Lost 1-2 | -181489 |
| average opponent: 1528record: 2-3 | new rating: 1489 | |||
| Grand Prix Oklahoma City 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 10 | Boks, Nicole (1500) | Lost 1-2 | -181482 |
| 2modern | 518 | Jones, Jason (1458) | Lost 1-2 | -181464 |
| 3modern | 596 | Hoffman, Kris (1781) | Won 2-0 | +231487 |
| 4modern | 462 | Day, Mitchell (1490) | Won 2-0 | +181505 |
| 5modern | 405 | Bays-Broils, Lane (1499) | Won 2-0 | +181523 |
| 6modern | 369 | Corless, DJ (1592) | Won 2-1 | +191542 |
| 7modern | 116 | White, Jacob (1419) | Lost 1-2 | -201522 |
| 8modern | 342 | Nelson, Philip (1549) | Lost 0-2 | -171505 |
| average opponent: 1536record: 4-4 | new rating: 1505 | |||