Stump, Justin
Current rating: 1400
Record: 4-10
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1407 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 409 | Ekey, Matthew (1511) | Lost 0-2 | -161391 |
| 2modern | 780 | Millsap, Joseph (1482) | Lost 0-2 | -161375 |
| 3modern | 1427 | Bagdasarian, Lara (1491) | Lost 1-2 | -161359 |
| 4modern | 1410 | Montgomery, Connor (1335) | Won 2-0 | +181377 |
| 5modern | 1338 | Bamber, Tyler (1388) | Won 2-0 | +181395 |
| 6modern | 1155 | Glende, Maxx (1426) | Won 2-1 | +181413 |
| 7modern | 966 | Oetting, Aaron (1495) | Lost 1-2 | -161397 |
| 8modern | 885 | Stensgaard, Steven (1493) | Won 2-0 | +201417 |
| 9modern | 655 | Novak, Stephen (1520) | Lost 0-2 | -171400 |
| average opponent: 1460record: 4-5 | new rating: 1400 | |||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 440 | Herz, Alex (1500) | Lost 0-2 | -181482 |
| 2modern | 719 | Zamora Lopez, Jairo Enrique (1462) | Lost 0-2 | -181464 |
| 3modern | 994 | Alonzo, Fabian (1426) | Lost 0-2 | -191445 |
| 4modern | 1053 | Prado, Bladimir (1352) | Lost 0-2 | -201425 |
| 5modern | 1017 | Challacomb, Keenan (1429) | Lost 0-2 | -181407 |
| average opponent: 1434record: 0-5 | new rating: 1407 | |||