Johnson, Roben W
Current rating: 1484
Record: 3-4
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 172 | Becker, Daniel (1478) | Lost 1-2 | -181480 |
| 2sealed | 613 | Dunham, Tim (1482) | Won 2-0 | +181498 |
| 3sealed | 702 | Boggemes, Stephen (1720) | Lost 0-2 | -141484 |
| average opponent: 1560record: 1-2 | new rating: 1484 | |||
| Grand Prix Indianapolis 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 89 | Spiegelberg, Damian (1500) | Lost 0-2 | -181482 |
| 2sealed | 287 | Tolley, Chris (1387) | Won 2-1 | +161498 |
| 3sealed | 274 | Wrammerfors, Tobias (1501) | Won 2-1 | +181516 |
| 4sealed | 155 | Dang, Fumin (1521) | Lost 0-2 | -181498 |
| average opponent: 1477record: 2-2 | new rating: 1498 | |||