Crowder, Justin
Current rating: 1491
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1399 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 361 | Tribett, Josiah (1500) | Won 2-1 | +201419 |
| 2standard | 154 | Camp, Adam (1587) | Lost 1-2 | -151404 |
| 3standard | 259 | Csapo, Sammy (1501) | Won 2-1 | +201424 |
| 4standard | 146 | Bradford, Paul (1573) | Lost 0-2 | -151409 |
| 5standard | 350 | Higley, Michael (1563) | Won 2-0 | +201429 |
| 6standard | 282 | Anderson, Shaun (1610) | Won 2-0 | +221451 |
| 7standard | 158 | Hibbs, Brett (1552) | Lost 0-2 | -161435 |
| 8standard | 279 | Beckham, Zenaide (1583) | Won 2-0 | +201455 |
| 9standard | 204 | DeLeve, Kevin (1503) | Won 2-1 | +191474 |
| 10standard | 139 | Snowden, Corey (1542) | Lost 1-2 | -171457 |
| 11standard | 160 | Mercier, Matthew (1544) | Won 2-0 | +201477 |
| 12standard | 135 | Manfield, Seth (1929) | Lost 1-2 | -101467 |
| 13standard | 124 | Kennedy, Scott (1482) | Won 2-1 | +181485 |
| 14standard | 115 | DeVries, Jeremy (1576) | Won 2-0 | +201505 |
| 15standard | 102 | Marsch, Derek (1726) | Lost 0-2 | -141491 |
| top | average opponent: 1585record: 9-6 | new rating: 1491 | ||
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 193 | Dazey, Will (1488) | Lost 0-2 | -171412 |
| 2standard | 414 | Neal, Coral (1482) | Lost 0-2 | -171395 |
| 3standard | 483 | Hersman, Joseph (1446) | Won 2-1 | +191414 |
| 4standard | 460 | Rodriguez, Dillon (1414) | Won 2-0 | +181432 |
| 5standard | 246 | Hallahan, Brian (1652) | Lost 1-2 | -141418 |
| 6standard | 360 | Holcomb, John (1370) | Lost 1-2 | -191399 |
| top | average opponent: 1475record: 2-4 | new rating: 1399 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 424 | Jeffress, Christopher (1441) | Lost 0-2 | -191481 |
| 2modern | 831 | Weigman, Gary (1562) | Lost 0-2 | -171464 |
| 3modern | 1394 | Mahadeo, Dinesh (1560) | Lost 0-2 | -161448 |
| 4modern | 1400 | Pegg, Byron (1384) | Lost 0-2 | -191429 |
| top | average opponent: 1487record: 0-4 | new rating: 1429 | ||