Morgan, Joshua
Current rating: 1427
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1397 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 212 | Menesini, Gregory (1500) | Won 2-1 | +201417 |
| 2sealed | 76 | Storey, William (1493) | Won 2-0 | +191436 |
| 3sealed | 151 | Pickett, William (1608) | Lost 1-2 | -151421 |
| 4sealed | 148 | Rodriguez, Armando (1518) | Won 2-0 | +201441 |
| 5sealed | 118 | Sandler, Noah (1629) | Lost 0-2 | -141427 |
| top | average opponent: 1550record: 3-2 | new rating: 1427 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 47 | Clinton, Jamal (1500) | Lost 1-2 | -171429 |
| 2standard | 425 | Taylor, Joshua (1476) | Lost 1-2 | -171412 |
| 3standard | 508 | Hernandez, David D (1464) | Won 2-0 | +191431 |
| 4standard | 481 | White, John (1482) | Lost 1-2 | -171414 |
| 5standard | 485 | Ditmore, Robert (1479) | Lost 1-2 | -171397 |
| top | average opponent: 1480record: 1-4 | new rating: 1397 | ||
| Grand Prix Tampa Bay 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Grimmer, Brian (1502) | Lost 1-2 | -181482 |
| 2sealed | 118 | De Michele, David (1481) | Lost 0-2 | -181464 |
| 3sealed | 150 | Ihm, Terrence (1468) | Lost 0-2 | -181446 |
| top | average opponent: 1484record: 0-3 | new rating: 1446 | ||