Roth, Jonathan
Current rating: 1437
| Grand Prix Atlanta 2018 (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 407 | Garcia, Joseba Inaki (1706) | Lost 1-2 | -131448 |
| 2modern | 523 | Counts, Ryan (1482) | Lost 1-2 | -181430 |
| 3modern | 631 | Morgan, Chris (1462) | Won 2-0 | +191449 |
| 4modern | 533 | Bartley, Matthew (1815) | Lost 0-2 | -121437 |
| top | average opponent: 1616record: 1-3 | new rating: 1437 | ||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 161 | Ghali, Adam (1500) | Lost 1-2 | -181471 |
| 2modern | 924 | Corvese, Harry (1972) | Lost 0-2 | -101461 |
| top | average opponent: 1736record: 0-2 | new rating: 1461 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 447 | Lowry, Nick (1500) | Won 2-1 | +181518 |
| 2sealed | 24 | Krippendorf, Blake (1518) | Lost 1-2 | -181500 |
| 3sealed | 653 | Pikula, Chris (1875) | Lost 0-2 | -111489 |
| top | average opponent: 1631record: 1-2 | new rating: 1489 | ||