Hall, Joshua
Current rating: 1431
| Grand Prix Charlotte 2015 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1032 | Cummings, John (1500) | Lost 0-2 | -181467 |
| 2modern | 1030 | Rose, Charles (1482) | Lost 0-2 | -181449 |
| 3modern | 1158 | Walters, Brian (1429) | Lost 0-2 | -181431 |
| top | average opponent: 1470record: 0-3 | new rating: 1431 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Basil, Dominik (1428) | Won 2-0 | +171500 |
| 2sealed | 51 | Davidson, Dakota (1518) | Lost 0-2 | -181482 |
| 3sealed | 229 | Zavagnini, Franco (1444) | Won 2-0 | +181500 |
| 4sealed | 73 | Feng, Michael (1461) | Won 2-1 | +171517 |
| 5sealed | 164 | Meinzer, Joseph (1540) | Lost 0-2 | -181499 |
| 6sealed | 159 | Sullivan, Cameron (1694) | Lost 1-2 | -141485 |
| top | average opponent: 1514record: 3-3 | new rating: 1485 | ||
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 131 | Taylor, Cody G (1500) | Lost 0-0 | -181482 |
| 2standard | 257 | Worley, Chris (1562) | Lost 0-2 | -171465 |
| 3standard | 273 | Phelps, Philip (1464) | Won 2-1 | +181483 |
| 4standard | 246 | Kersey, Jacob (1481) | Lost 0-2 | -181465 |
| 5standard | 278 | Best, Jesse (1468) | Won 2-0 | +181483 |
| 6standard | 227 | Pope, Parks (1481) | Lost 0-2 | -181465 |
| 7standard | 215 | Orlikoff, Russell (1448) | Won 2-0 | +181483 |
| 8standard | 165 | Bentley, Brent (1481) | Won 2-1 | +181501 |
| 9standard | 136 | McCord, Kristopher (1499) | Lost 1-2 | -181483 |
| top | average opponent: 1487record: 4-5 | new rating: 1483 | ||