DuBois, Joseph
Current rating: 1463
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 28 | Meyer, Mathias (1580) | Lost 1-2 | -161476 |
| 2sealed | 388 | Ellsworth, Brett (1487) | Won 2-1 | +181494 |
| 3sealed | 364 | Miller, Sean (1748) | Lost 1-2 | -131481 |
| 4sealed | 592 | Klassen, Jeff (1490) | Lost 0-2 | -181463 |
| top | average opponent: 1576record: 1-3 | new rating: 1463 | ||
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 352 | Thompson, Alexander (1383) | Won 2-0 | +161532 |
| 2standard | 252 | Harrison, Aaron (1518) | Won 2-1 | +181550 |
| 3standard | 216 | Carrick, Emily (1440) | Lost 1-2 | -201530 |
| 4standard | 328 | Kroeger, Brett (1480) | Lost 0-2 | -191511 |
| 5standard | 345 | Lesuer, Dylan (1499) | Lost 0-2 | -191492 |
| top | average opponent: 1464record: 2-3 | new rating: 1492 | ||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 297 | Hendricks, Justin (1500) | Won 2-0 | +181518 |
| 2standard | 322 | Van Ausdal, Matthew (1499) | Won 2-0 | +181536 |
| 3standard | 142 | Larson, Joshua (1536) | Won 2-0 | +181554 |
| 4standard | 163 | Kiefer, Quinn (1442) | Won 2-1 | +161570 |
| 5standard | 51 | Steiger, Derek (1573) | Won 2-1 | +181588 |
| 6standard | 2 | Mendola, Anthony (1503) | Lost 1-2 | -201568 |
| 7standard | 35 | Passarelli, Hayden (1758) | Lost 0-2 | -141554 |
| 8standard | 85 | Tuthill, Nikolai (1653) | Won 2-0 | +191573 |
| 9standard | 95 | Allen, Solon (1514) | Lost 1-2 | -191554 |
| 10standard | 144 | Gunderson, Adam (1581) | Lost 1-2 | -171537 |
| 11standard | 172 | Newyear, Keith (1397) | Lost 1-2 | -211516 |
| top | average opponent: 1541record: 6-5 | new rating: 1516 | ||