Parker, Thomas
Current rating: 1577
Record: 23-19-2
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 159 | Lindner, Jeff (1685) | Lost 1-2 | -151543 |
| 3standard | 380 | Neill, Nick (1710) | Won 2-0 | +211564 |
| 4standard | 328 | Kittinger, Joel (1442) | Lost 0-2 | -211543 |
| 5standard | 354 | Moore, Cyrus (1500) | Won 2-0 | +181561 |
| 6standard | 290 | Sanchez, Gerardo (1554) | Won 2-1 | +171578 |
| 7standard | 135 | Jacobson, Joshua (1476) | Won 2-0 | +171595 |
| 8standard | 156 | Sloo, Felix (1610) | Lost 1-2 | -181577 |
| top | average opponent: 1568record: 4-3 | new rating: 1577 | ||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 44 | Davalos, Dante (1793) | Lost 0-2 | -151582 |
| 3standard | 368 | Wadsworth, Jared (1459) | Won 2-0 | +161598 |
| 4standard | 211 | Martin, John (1462) | Lost 0-2 | -201578 |
| 5standard | 419 | Matusiak, Ryan (1500) | Lost 0-2 | -201558 |
| top | average opponent: 1553record: 1-3 | new rating: 1558 | ||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1610 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 126 | Suzuki, Anthony (1521) | Lost 1-2 | -201590 |
| 3standard | 323 | Hamilton, Oliver (1500) | Won 2-0 | +171607 |
| 4standard | 264 | DeBuff, Michael (1520) | Won 2-1 | +161623 |
| 5standard | 150 | Gracia, Connor (1574) | Lost 1-2 | -191604 |
| 6standard | 264 | Bair, Thomas (1516) | Won 2-0 | +171621 |
| 7standard | 286 | Barnum, James (1639) | Won 2-0 | +181639 |
| 8standard | 167 | Harvey, Michael (1610) | Won 2-1 | +171656 |
| 9standard | 128 | Roberts, Jesse (1760) | Lost 1-2 | -161640 |
| 10standard | 172 | Brown, Jeremy (1457) | Lost 1-2 | -211619 |
| 11standard | 162 | Connolly, Steven (1553) | Won 2-0 | +171636 |
| 12standard | 125 | Skinner-Maginnis, Taurin (1561) | Lost 0-2 | -201616 |
| 13standard | 143 | Grant, Chris (1527) | Lost 0-2 | -191597 |
| top | average opponent: 1562record: 6-6 | new rating: 1597 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 76 | Jacob, Michael (1798) | Lost 0-2 | -141579 |
| 3standard | 461 | Yung, Chance (1530) | Draw 1-1 | -11578 |
| 4standard | 369 | Miville, Matthew (1412) | Won 2-0 | +151593 |
| 5standard | 249 | Wright, Donnie (1501) | Won 2-0 | +161609 |
| 6standard | 162 | Salazar, Cristian (1527) | Won 2-1 | +171626 |
| 7standard | 98 | Bradford, Paul (1607) | Won 2-0 | +171643 |
| 8standard | 58 | Mallow, Vince (1739) | Lost 0-2 | -161627 |
| 9standard | 120 | Williams, James (1677) | Lost 1-2 | -171610 |
| top | average opponent: 1599record: 4-3-1 | new rating: 1610 | ||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 329 | Irwin, Sean (1625) | Won 2-1 | +201520 |
| 4standard | 42 | Hale, Adam (1555) | Draw 1-1 | +11521 |
| 5standard | 96 | Castillo, Ryen (1526) | Won 2-0 | +181539 |
| 6standard | 42 | Gordon, Christopher (1529) | Lost 1-2 | -181521 |
| 7standard | 127 | Dorfman, Rij (1555) | Won 2-0 | +181539 |
| 8standard | 83 | Stednitz, David (1490) | Won 2-0 | +181557 |
| 9standard | 50 | Frazier, Gene (1612) | Won 0-0 | +191576 |
| 10standard | 27 | Tabrizi, Shawn (1686) | Lost 1-2 | -161560 |
| 11standard | 61 | Pei, Eric (1956) | Won 2-0 | +241584 |
| 12standard | 36 | Ferraro, Casey (1792) | Lost 0-2 | -141570 |
| 13standard | 72 | Hopkins, Kristopher (1613) | Won 2-1 | +191589 |
| 14standard | 42 | Asbjornsen, Chad (1655) | Won 2-1 | +191608 |
| 15standard | 32 | Iaali, Christopher (1763) | Lost 1-2 | -151593 |
| top | average opponent: 1643record: 8-4-1 | new rating: 1593 | ||