Arnold, Jason
Current rating: 1455
Record: 9-14
| Grand Prix Las Vegas 2019 (limited) (MH1 limited) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1223 | Firestone, Spencer (1562) | Won 2-0 | +201485 |
| 2sealed | 1180 | Rossi, Alexander (1501) | Won 2-1 | +181503 |
| 3sealed | 1190 | Mathewson, Scott (1633) | Lost 1-2 | -151488 |
| 4sealed | 1194 | Chen, Jeffrey (1672) | Lost 1-2 | -151473 |
| 5sealed | 1202 | Hamasaki, Geoffrey (1486) | Lost 1-2 | -181455 |
| top | average opponent: 1571record: 2-3 | new rating: 1455 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 169 | Pettie, James (1485) | Lost 0-2 | -171434 |
| 2sealed | 283 | Liebensfeld, Alex (1483) | Won 0-0 | +191453 |
| 3sealed | 270 | Reiners, Mitchell (1728) | Won 2-1 | +231476 |
| 4sealed | 298 | Sia, Paul (1682) | Won 2-1 | +211497 |
| 5sealed | 203 | Fleischood, Mark (1716) | Lost 1-2 | -141483 |
| 6sealed | 291 | Edelman-Munoz, Adam (1497) | Lost 0-2 | -181465 |
| top | average opponent: 1599record: 3-3 | new rating: 1465 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 245 | Coffman, Robert (1616) | Lost 1-2 | -161484 |
| 4sealed | 438 | VanSchaik, Peter (1515) | Won 2-1 | +191503 |
| 5sealed | 359 | Chen, Xin [USA] (1614) | Won 2-1 | +201523 |
| 6sealed | 130 | Polak-Rottmann, Oliver (1952) | Lost 0-2 | -111512 |
| 7sealed | 238 | Cooperman, Ross (1569) | Won 2-0 | +191531 |
| 8sealed | 217 | Edelman, Douglas (1776) | Lost 0-2 | -141517 |
| 9sealed | 191 | Pace, Stanley (1498) | Won 2-0 | +181535 |
| 10draft | 786 | Youngblood-Petersen, Campbell (1590) | Lost 1-2 | -171518 |
| 11draft | 766 | Calhoun, Christopher (1559) | Lost 0-2 | -171501 |
| 12draft | 725 | Magnuson, Max (1641) | Lost 0-2 | -161485 |
| 13draft | 703 | Rudzena, Jack (1451) | Lost 1-2 | -181467 |
| 15draft | 734 | Bertarioni, Jeremy (1595) | Lost 0-2 | -161451 |
| top | average opponent: 1615record: 4-8 | new rating: 1451 | ||