Sorrells, Joshua L
Current rating: 1563
Record: 8-5
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 791 | Willrich, Gregory (1500) | Won 2-0 | +171538 |
| 2standard | 769 | Sim, Stanley (1638) | Won 2-1 | +201558 |
| 3standard | 616 | Patterson, Luke (1535) | Won 2-0 | +181576 |
| 4standard | 625 | Scheffenacker, Michael (1543) | Won 2-0 | +171593 |
| 5standard | 618 | Correia, Kevin (1603) | Lost 0-2 | -181575 |
| 6standard | 714 | Lebedowicz, Osyp (1869) | Lost 0-2 | -121563 |
| average opponent: 1615record: 4-2 | new rating: 1563 | |||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 51 | Mammana, Sal M (1500) | Lost 0-1 | -181482 |
| 2extended | 295 | osmun, robert (1482) | Won 2-0 | +181500 |
| 3extended | 185 | Vaughan, Robert (1449) | Lost 0-2 | -191481 |
| 4extended | 390 | Maloney, David (1483) | Won 2-0 | +181499 |
| 5extended | 255 | Folsom, Tom C (1498) | Won 2-0 | +181517 |
| 6extended | 218 | Bledsoe, Doyle (1544) | Won 2-0 | +191536 |
| 7extended | 115 | Bilz, Dean (1718) | Lost 0-2 | -151521 |
| average opponent: 1525record: 4-3 | new rating: 1521 | |||