Johnson, Jarratt
Current rating: 1418
Record: 2-7
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 372 | Dennis, Jackson T (1500) | Lost 0-2 | -171435 |
| 2standard | 477 | Jones, Brandon S (1481) | Won 2-1 | +181453 |
| 3standard | 438 | Key, Mitch O (1501) | Lost 1-2 | -171436 |
| 4standard | 442 | Goncalves, Augusto (1429) | Lost 1-2 | -181418 |
| average opponent: 1478record: 1-3 | new rating: 1418 | |||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 142 | Foster, Jeph (1475) | Lost 1-2 | -181482 |
| 5legacy | 139 | Braverman, Michael (1564) | Lost 1-2 | -171465 |
| 6legacy | 228 | Carpenter, Steven (1507) | Lost 1-2 | -171448 |
| 7legacy | 277 | Abels, Josh G (1540) | Won 2-1 | +191467 |
| 8legacy | 211 | Caine, Matthew D (1590) | Lost 0-2 | -151452 |
| average opponent: 1535record: 1-4 | new rating: 1452 | |||