Grossman, Joseph
Current rating: 1476
Record: 3-5
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 354 | Jacoby, Meg (1490) | Won 2-0 | +181518 |
| 2sealed | 226 | Langewisch, Topher (1511) | Lost 0-0 | -181500 |
| 3sealed | 361 | Reynolds, Patrick (1748) | Won 2-0 | +221522 |
| 4sealed | 260 | Walker, Jeff (1719) | Lost 0-2 | -141508 |
| 5sealed | 405 | Pettie, Jacob (1498) | Won 2-0 | +181526 |
| 6sealed | 216 | Orr, Jonathan (1594) | Lost 1-2 | -171509 |
| 7sealed | 258 | Broderick, Benjamin (1592) | Lost 1-2 | -171492 |
| 8sealed | 215 | Wysocki, Eric (1569) | Lost 0-2 | -161476 |
| average opponent: 1590record: 3-5 | new rating: 1476 | |||