Hallberg, Hewitt
Current rating: 1401
Record: 3-10
| Grand Prix Montreal 2019 (ELD limited) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 242 | Ribeiro, David Antonio (1616) | Won 2-0 | +221427 |
| 3sealed | 142 | Beland, Nicolas (1569) | Lost 0-2 | -151412 |
| 4sealed | 186 | Lewis, Aaron (1859) | Lost 0-2 | -111401 |
| top | average opponent: 1681record: 1-2 | new rating: 1401 | ||
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 43 | Morin, Mike (1483) | Won 2-0 | +191431 |
| 3legacy | 228 | Hartman, Reed (1761) | Won 2-0 | +241455 |
| 4legacy | 81 | Vu, Alexander (1532) | Lost 1-2 | -171438 |
| 5legacy | 118 | Faibish, Corey (1511) | Lost 1-2 | -161422 |
| 6legacy | 226 | Vallie, Josiah (1526) | Lost 0-2 | -171405 |
| top | average opponent: 1563record: 2-3 | new rating: 1405 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 316 | Jacoby, Meg (1509) | Lost 0-2 | -171431 |
| 2sealed | 423 | Smith, Austin (1376) | Lost 0-2 | -191412 |
| top | average opponent: 1442record: 0-2 | new rating: 1412 | ||
| Grand Prix Montreal 2018 (GRN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 79 | Mauffret, Ulysse (1518) | Lost 1-2 | -181482 |
| 2sealed | 258 | Barrette, Julien (1554) | Lost 0-2 | -161466 |
| 3sealed | 519 | Simpson, Paul (1464) | Lost 0-2 | -181448 |
| top | average opponent: 1512record: 0-3 | new rating: 1448 | ||