Jones Jr, Jonathan
Current rating: 1405
Record: 1-7
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 392 | Li, Phillip (1836) | Lost 0-2 | -111437 |
| 2sealed | 480 | Van Doosselaere, Theo (1639) | Lost 0-2 | -141423 |
| 3sealed | 645 | Ford, Gerry (1452) | Lost 0-2 | -181405 |
| average opponent: 1642record: 0-3 | new rating: 1405 | |||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 262 | Schmidt, Steven J (1500) | Lost 0-2 | -181482 |
| 2standard | 543 | Marquez, Randall (1572) | Lost 0-2 | -161466 |
| 3standard | 714 | Mills, Matthew (1515) | Won 2-0 | +191485 |
| 4standard | 661 | Baker, Ian (1483) | Lost 0-2 | -191466 |
| 5standard | 690 | Doerrie, Mark (1466) | Lost 1-2 | -181448 |
| average opponent: 1507record: 1-4 | new rating: 1448 | |||