Corbett, Justin
Current rating: 1598
Record: 13-18 (GP) / 18-12 (professional)
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Carrera, Gordy (1500) | Won 2-1 | +161600 |
| 2sealed | 281 | Frank, Matt (1460) | Lost 0-2 | -201580 |
| 3sealed | 609 | Ashford, Alexander (1500) | Won 2-0 | +161596 |
| 4sealed | 293 | Busch, Russell (1541) | Lost 1-2 | -191577 |
| 5sealed | 588 | DesJardins, Phillip (1500) | Won 2-0 | +171594 |
| 6sealed | 335 | Barnes, Benjamin (1519) | Won 2-0 | +161610 |
| 7sealed | 281 | Edel, Willy (1933) | Lost 1-2 | -121598 |
| top | average opponent: 1565record: 4-3 | new rating: 1598 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1603 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 142 | Reed, Randy (1470) | Won 2-1 | +161619 |
| 3standard | 138 | Pastor, Steele (1538) | Lost 0-2 | -201599 |
| 4standard | 274 | Bobbitt, Stewart (1517) | Won 2-0 | +171616 |
| 5standard | 226 | Foster, Tucker (1663) | Lost 1-2 | -181598 |
| 6standard | 244 | Jordan, Daniel (1774) | Lost 1-2 | -141584 |
| top | average opponent: 1592record: 2-3 | new rating: 1584 | ||
| Pro Tour San Juan 2010 (Zendikar block) | starting rating: 1621 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 20 | Portaro, Alessandro (1606) | Lost 1-2 | -191602 |
| 2block | 116 | Stefaniw, Christopher (1560) | Won 2-1 | +181620 |
| 3block | 139 | Marroquin, Jonathan Hervey (1505) | Lost 0-2 | -201600 |
| 4block | 105 | Gorski, Michal (1549) | Lost 1-2 | -191581 |
| 5block | 156 | Thaler, Sebastian (1841) | Lost 0-2 | -141567 |
| 7draft | 42 | Andersen, Christoffer (1518) | Won 2-0 | +171584 |
| 8draft | 129 | Rodriguez, Jorge (1610) | Won 2-1 | +191603 |
| top | average opponent: 1598record: 3-4 | new rating: 1603 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1644 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 64 | Ferrando, Matthew (1627) | Lost 1-2 | -181626 |
| 5extended | 55 | Beckfield, Peter (1567) | Lost 0-2 | -191607 |
| 6extended | 118 | Napoli, Phillip (1519) | Won 2-0 | +161623 |
| 7extended | 71 | Marasco, Aaron (1487) | Won 2-1 | +161639 |
| 8extended | 65 | Bielick, Scott (1637) | Lost 1-2 | -181621 |
| top | average opponent: 1567record: 2-3 | new rating: 1621 | ||
| Pro Tour San Diego 2010 (WWK standard) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 113 | Hunt, Alexander (1500) | Won 2-1 | +181491 |
| 2standard | 5 | Romanos, Theodoros (1535) | Won 2-0 | +191510 |
| 3standard | 23 | Creech, Lawrence (1594) | Lost 1-2 | -161494 |
| 4standard | 78 | Shackett, Thomas (1575) | Lost 0-2 | -171477 |
| 5standard | 110 | Rois, Andreas (1525) | Lost 0-2 | -171460 |
| 6draft | 135 | Tao, Yubin (1635) | Won 2-0 | +211481 |
| 7draft | 77 | Maurici, Micheal (1639) | Won 2-0 | +211502 |
| 8draft | 73 | Mann, Corey (1563) | Won 2-0 | +191521 |
| 9draft | 36 | Kolos, John (1870) | Won 2-1 | +241545 |
| 10draft | 57 | Yasooka, Shota (1873) | Won 2-1 | +241569 |
| 11draft | 31 | Goertzen, Simon (1928) | Lost 1-2 | -121557 |
| 12standard | 40 | Nikitin, Dmitry (1556) | Won 2-1 | +181575 |
| 13standard | 23 | Murray, Stephen (1715) | Won 2-1 | +211596 |
| 14standard | 15 | Wallendorf, Jonas (1970) | Won 2-0 | +241620 |
| 15standard | 9 | Nakamura, Shuhei (1951) | Won 2-0 | +241644 |
| 16standard | 12 | Cormier, Francis (1822) | ID | 01644 |
| top | average opponent: 1703record: 11-4-1 | new rating: 1644 | ||
| Pro Tour Austin 2009 (extended) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 202 | Frias, Daniel (1669) | Won 2-0 | +221459 |
| 2extended | 94 | Saito, Takaya (1800) | Won 2-0 | +241483 |
| 3extended | 24 | Imperiale, Jason (1785) | Lost 1-2 | -121471 |
| 4extended | 81 | Sperling, Matthew (1757) | Won 2-1 | +231494 |
| 5extended | 51 | Schmidt, Jan (1844) | Won 2-1 | +241518 |
| 6draft | 177 | Felske, David (1752) | Lost 0-2 | -141504 |
| 7draft | 159 | Gaviglio, Luca (1558) | Lost 1-2 | -171487 |
| 8draft | 50 | Utter-Leyton, Josh (1700) | Lost 0-2 | -141473 |
| top | average opponent: 1733record: 4-4 | new rating: 1473 | ||
| Grand Prix Austin 2004 (COK limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 16 | Cohen, Debbie (1518) | Won 2-0 | +191484 |
| 3sealed | 53 | Bitter, Victor (1518) | Won 2-0 | +181502 |
| 4sealed | 20 | Billing, Ryan (1536) | Won 2-0 | +191521 |
| 5sealed | 19 | Aitchison, Michael (1452) | Lost 0-2 | -191502 |
| 6sealed | 16 | Wagner, Bob (1457) | Won 2-1 | +171519 |
| 7sealed | 32 | Johnson, Eric (1574) | Won 2-1 | +191538 |
| 8sealed | 15 | Stein, Sam (1676) | Lost 1-2 | -161522 |
| 9rochester | 18 | Feinstein, David (1526) | Lost 1-2 | -181504 |
| 10rochester | 20 | Hutchins, Robert (1510) | Lost 1-2 | -171487 |
| 11rochester | 27 | Gromko, Radoslaw (1682) | Lost 1-2 | -151472 |
| 12rochester | 32 | King, James (1467) | Lost 1-2 | -181454 |
| 13rochester | 18 | Jowers, Kenneth (1528) | Lost 0-2 | -171437 |
| top | average opponent: 1537record: 5-7 | new rating: 1437 | ||
| Grand Prix Kansas City 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 107 | Blankenship, William (1519) | Lost 1-2 | -181482 |
| 3sealed | 142 | Brown, Dathan (1501) | Lost 1-2 | -171465 |
| top | average opponent: 1510record: 0-2 | new rating: 1465 | ||