Walker, Justin
Current rating: 1479
Record: 19-21-3
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 96 | Barker, Quentin (1500) | Won 2-1 | +181533 |
| 2standard | 31 | Baca, Megan (1472) | Won 2-0 | +171550 |
| 3standard | 140 | Mallow, Vince (1675) | Lost 1-2 | -161534 |
| 4standard | 303 | Kilburn, Brian (1411) | Lost 1-2 | -201514 |
| 5standard | 362 | Beard, Joshua (1565) | Lost 0-2 | -171497 |
| 6standard | 327 | Stone, Travis (1479) | Lost 0-2 | -181479 |
| top | average opponent: 1517record: 2-4 | new rating: 1479 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 253 | Brown, Terrance (1465) | Won 2-0 | +171516 |
| 2modern | 310 | Lind, Daniel (1545) | Lost 0-2 | -181498 |
| 3modern | 1085 | Weigman, Gary (1578) | Draw 1-1 | +21500 |
| 4modern | 1036 | Torres, Luis (1501) | Won 2-0 | +181518 |
| 5modern | 711 | Babar, Umar (1515) | Lost 1-2 | -181500 |
| 6modern | 946 | Weaver, Justin (1377) | Won 2-1 | +161516 |
| 7modern | 708 | Tosto, Dave (1537) | Won 2-0 | +181534 |
| 8modern | 483 | Condez, Angelo (1498) | Lost 0-2 | -191515 |
| top | average opponent: 1502record: 4-3-1 | new rating: 1515 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1457 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 407 | San, Robert (1481) | Won 2-0 | +181475 |
| 2sealed | 11 | Cheung, Yuk (1519) | Won 2-1 | +191494 |
| 3sealed | 98 | Goff, Ricky (1543) | Lost 0-2 | -171477 |
| 4sealed | 318 | Liberto, Lance (1425) | Lost 1-2 | -191458 |
| 5sealed | 378 | Raffield, Chad (1501) | Won 2-0 | +191477 |
| 6sealed | 202 | Ricci, Joseph (1623) | Won 2-1 | +211498 |
| 7sealed | 136 | Leyva, Orlando (1521) | Won 2-1 | +181516 |
| 8sealed | 149 | Comeau, Luke (1545) | Lost 0-2 | -171499 |
| top | average opponent: 1520record: 5-3 | new rating: 1499 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 373 | Jacobson, RJ (1451) | Lost 1-2 | -181455 |
| 2sealed | 1032 | Severance, Andrew (1464) | Lost 1-2 | -181437 |
| 3sealed | 510 | Munn, Billy (1464) | Won 2-1 | +191456 |
| 4sealed | 397 | Timko, Amanda (1480) | Won 0-0 | +181474 |
| 5sealed | 290 | Parrish, Michael (1522) | Lost 1-2 | -171457 |
| top | average opponent: 1476record: 2-3 | new rating: 1457 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1508 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 1037 | Platt, Cam (1553) | Won 2-1 | +191527 |
| 3sealed | 1040 | Fukushima, Hiroto (1515) | Lost 1-2 | -181509 |
| 4sealed | 1029 | Klitzke, Andy (1520) | Lost 1-2 | -181491 |
| 5sealed | 870 | Blondon, William (1501) | Lost 1-2 | -181473 |
| top | average opponent: 1522record: 1-3 | new rating: 1473 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 235 | Krotkov, Andrei (1500) | Won 2-0 | +191465 |
| 2modern | 59 | Mangan, Tym K (1517) | Draw 1-1 | +11466 |
| 3modern | 138 | Higley, Robert (1518) | Lost 0-2 | -171449 |
| 4modern | 313 | Roome, Benjamin (1500) | Draw 1-1 | +11450 |
| 5modern | 415 | Roowe, Alex (1463) | Won 2-0 | +181468 |
| 6modern | 293 | Pagatpatan, Paul (1502) | Won 2-0 | +191487 |
| 7modern | 220 | Manary, Faith (1535) | Won 2-1 | +191506 |
| 8modern | 156 | Cain, Toby (1568) | Won 2-1 | +191525 |
| 9modern | 64 | Thiessen, Jacob (1617) | Lost 0-2 | -171508 |
| top | average opponent: 1525record: 5-2-2 | new rating: 1508 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 25 | Casorso, Joseph (1500) | Lost 1-2 | -181482 |
| 2sealed | 390 | Steward, Shane (1483) | Lost 0-2 | -181464 |
| 3sealed | 502 | Gautier, Nathaniel (1464) | Lost 1-2 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||