Lewis, Justin
Current rating: 1424
| Grand Prix Charlotte 2016 (modern) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 645 | Walter, Daniel R (1468) | Lost 1-2 | -171404 |
| 2modern | 898 | Rabenstein, Megan (1486) | Won 2-0 | +191423 |
| 3modern | 834 | Fischer, Justin (1443) | Lost 0-2 | -171406 |
| 4modern | 1138 | Brenneman, Paul (1447) | Won 2-0 | +181424 |
| top | average opponent: 1461record: 2-2 | new rating: 1424 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 24 | Armstrong, Timothy (1589) | Lost 0-2 | -161455 |
| 3standard | 24 | Pimenta, Jason (1500) | Lost 0-2 | -181437 |
| 4standard | 24 | Gegenheimer, James (1500) | Won 2-1 | +201457 |
| 5standard | 24 | Traba, Alejandro (1448) | Lost 1-2 | -191438 |
| 6standard | 24 | Yurchak, Andrew (1467) | Lost 1-2 | -171421 |
| top | average opponent: 1501record: 1-4 | new rating: 1421 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 167 | Crisafi, Dominic (1537) | Won 2-1 | +191519 |
| 4sealed | 97 | Caverly, Matt (1619) | Lost 0-2 | -161503 |
| 5sealed | 97 | Barbera, Luiz (1507) | Lost 0-1 | -181485 |
| 6sealed | 97 | Shao, Phillip (1703) | Lost 1-2 | -141471 |
| top | average opponent: 1592record: 1-3 | new rating: 1471 | ||