Gibson, Justice
Current rating: 1686
Record: 33-27
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 288 | Fitzpatrick, Casey (1555) | Won 2-1 | +181544 |
| 2modern | 281 | Freeman, Daniel (1452) | Won 2-1 | +171561 |
| 3modern | 108 | Lewicki, Alexander (1628) | Won 2-1 | +191580 |
| 4modern | 26 | Schwartz, Alexander (1841) | Lost 0-2 | -141566 |
| 5modern | 112 | Birukow, Rob (1543) | Won 2-0 | +181584 |
| 6modern | 205 | Morrison, Jayce (1638) | Won 2-0 | +191603 |
| 7modern | 82 | Jacobson, Mark (2013) | Won 2-1 | +251628 |
| 8modern | 72 | Whitcomb, James (1624) | Won 2-1 | +181646 |
| 9modern | 36 | Ramirez, Daniel (1763) | Won 2-0 | +201666 |
| 10modern | 20 | Mick, Maxwell (2100) | Won 2-0 | +261692 |
| 11modern | 7 | Nguyen, David (1857) | Won 2-1 | +211713 |
| 12modern | 7 | Purpura, Gregory (1999) | Won 2-1 | +231736 |
| 13modern | 2 | Schlesinger, Gal (1926) | Lost 0-2 | -151721 |
| 14modern | 9 | Besterman, Daniel (1776) | Lost 1-2 | -171704 |
| 15modern | 14 | Zax, Aryeh (1706) | Lost 1-2 | -181686 |
| top | average opponent: 1762record: 11-4 | new rating: 1686 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 49 | Nguyen, Paul (1508) | Won 2-0 | +181516 |
| 2modern | 335 | Stenmark, Theodore (1590) | Won 2-1 | +201536 |
| 3modern | 246 | Moreno, Eduardo (1561) | Lost 0-2 | -181518 |
| 4modern | 373 | Yandell, Josh (1521) | Won 2-0 | +181536 |
| 5modern | 360 | Loveman, Eli (1845) | Lost 1-2 | -121524 |
| 6modern | 277 | Price, Andrew (1491) | Won 2-1 | +171541 |
| 7modern | 170 | Tilsen, Patrick (1677) | Lost 0-2 | -151526 |
| top | average opponent: 1599record: 4-3 | new rating: 1526 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 270 | Nguyen, Michael (1646) | Won 2-1 | +221492 |
| 2standard | 315 | Frazier, Gene (1629) | Lost 0-2 | -161476 |
| 3standard | 469 | Wertzbaugher, Clinton (1506) | Won 2-1 | +191495 |
| 4standard | 437 | Pham, Davin (1445) | Lost 0-2 | -191476 |
| 5standard | 374 | Peck, Arthur (1654) | Won 2-1 | +211497 |
| 6standard | 241 | Iosso, Keith (1536) | Won 2-1 | +191516 |
| 7standard | 256 | Price, Tyler (1550) | Lost 1-2 | -181498 |
| top | average opponent: 1566record: 4-3 | new rating: 1498 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 1 | Norr, Phillip (1551) | Won 2-1 | +191519 |
| 2standard | 12 | Odom, Dylan (1519) | Lost 1-2 | -181501 |
| 3standard | 530 | Candelario, Derek (1584) | Lost 0-2 | -161485 |
| 4standard | 607 | Chestnut, Corey (1482) | Lost 1-2 | -181467 |
| 5standard | 630 | Vincent, Douglas (1482) | Won 2-1 | +181485 |
| 6standard | 601 | Goles, Nicolas (1671) | Lost 0-2 | -151470 |
| top | average opponent: 1548record: 2-4 | new rating: 1470 | ||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | Roberts, Devin (1500) | Won 2-0 | +191491 |
| 2standard | 167 | Hibbs, Brett (1482) | Won 2-0 | +181509 |
| 3standard | 127 | Kivelstadt, Alex (1543) | Lost 1-2 | -181491 |
| 4standard | 274 | Jimenez, Michael A (1447) | Lost 0-2 | -181473 |
| 5standard | 384 | Jacox, Sean (1489) | Won 2-0 | +181491 |
| 6standard | 292 | Sullivan, Adrian (1801) | Won 2-0 | +231514 |
| 7standard | 255 | Orr, James (1529) | Lost 0-2 | -171497 |
| 8standard | 343 | Shanafelt, Mark (1563) | Won 2-1 | +191516 |
| 9standard | 179 | Macaraeg, Tad (1666) | Lost 0-0 | -161500 |
| top | average opponent: 1558record: 5-4 | new rating: 1500 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 870 | Jacobson, Mark (1619) | Lost 0-2 | -161490 |
| 4sealed | 821 | Myatt, Jason (1490) | Lost 0-2 | -181472 |
| top | average opponent: 1555record: 0-2 | new rating: 1472 | ||
| Grand Prix Portland 2013 (modern) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 165 | Russell, Rebecca (1500) | Won 2-1 | +171526 |
| 2modern | 75 | Ayers, Corey (1538) | Lost 0-2 | -171509 |
| 3modern | 220 | Murray, Zachary (1497) | Won 2-1 | +171526 |
| 4modern | 207 | Nugent, Jason T (1501) | Lost 0-2 | -181508 |
| 5modern | 267 | Moran, Rudy (1499) | Won 2-1 | +181526 |
| 6modern | 287 | Koch, Nathaniel (1521) | Won 2-1 | +181544 |
| 7modern | 215 | Dodge, Philip (1476) | Lost 1-2 | -201524 |
| 8modern | 181 | Foley, Evan (1518) | Lost 0-2 | -181506 |
| top | average opponent: 1506record: 4-4 | new rating: 1506 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 32 | Davey, Bruce (1453) | Won 2-0 | +171517 |
| 5sealed | 14 | Castillo, Zaryn (1557) | Lost 0-2 | -171500 |
| 6sealed | 31 | Juarez, Chad (1720) | Won 2-1 | +221522 |
| 7sealed | 53 | Ostrem, Jordan (1515) | Won 2-1 | +181540 |
| 8sealed | 24 | Woodward, Jonathan (1686) | Lost 0-2 | -161524 |
| 9sealed | 59 | Suh, Mike (1645) | Lost 0-2 | -151509 |
| top | average opponent: 1596record: 3-3 | new rating: 1509 | ||