Johnson, Rob
Current rating: 1454
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Carson, Mitch (1500) | Lost 0-2 | -171433 |
| 2sealed | 199 | Carrasco, Jeremy (1482) | Won 2-1 | +191452 |
| 3sealed | 241 | England, Megan (1498) | Won 2-1 | +191471 |
| 4sealed | 125 | Mesa, Joseph (1519) | Lost 1-2 | -171454 |
| top | average opponent: 1500record: 2-2 | new rating: 1454 | ||
| Grand Prix Omaha 2015 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 236 | Li, Chris (1514) | Lost 0-2 | -171447 |
| 2modern | 463 | Stimec, Joe (1482) | Lost 0-2 | -171430 |
| 3modern | 509 | Holson, Joseph (1466) | Won 2-0 | +181448 |
| 4modern | 393 | MeKiney Jr, Patrick (1482) | Won 2-0 | +191467 |
| 5modern | 255 | Anton, Alexander (1549) | Lost 1-2 | -171450 |
| top | average opponent: 1498record: 2-3 | new rating: 1450 | ||
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 483 | Hickman, Andrew (1502) | Lost 1-2 | -181482 |
| 2modern | 582 | Binder, Scott (1482) | Won 2-1 | +181500 |
| 3modern | 461 | Gregory, Christopher (1496) | Lost 0-2 | -181482 |
| 4modern | 803 | Pritschet, Ronan (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1491record: 1-3 | new rating: 1464 | ||