Jones Sr, Jonathan
Current rating: 1465
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 149 | Carisse, Simon (1600) | Lost 1-2 | -161466 |
| 2sealed | 342 | Magararu, Juris (1373) | Won 2-1 | +171483 |
| 3sealed | 465 | Harakidas, John (1535) | Lost 0-2 | -171466 |
| 4sealed | 524 | Vila Lizmov, Rafael Ernesto (1479) | Draw 1-1 | 01466 |
| 5sealed | 534 | Kim, James (1391) | Won 2-0 | +171483 |
| 6sealed | 430 | Michonski, Scott (1500) | Lost 0-2 | -181465 |
| top | average opponent: 1480record: 2-3-1 | new rating: 1465 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 145 | Fuller, Derrick (1572) | Lost 0-2 | -171452 |
| 2standard | 356 | Lew, Audrey (1575) | Lost 0-2 | -151437 |
| 3standard | 560 | Yep, Lukas (1464) | Won 2-0 | +181455 |
| 4standard | 427 | Steele, Carly (1386) | Won 2-1 | +171472 |
| 5standard | 416 | Laroche, Stephen (1484) | Won 2-0 | +181490 |
| 6standard | 315 | Shull, Kyle (1500) | Lost 0-2 | -181472 |
| 7standard | 343 | Tran, William (1542) | Won 2-0 | +201492 |
| 8standard | 239 | Gauthier, Martin-Eric (2015) | Lost 0-2 | -101482 |
| top | average opponent: 1567record: 4-4 | new rating: 1482 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 436 | Monastra, Salvatore (1500) | Won 2-1 | +181518 |
| 2standard | 132 | Pileggi, Riccardo (1810) | Lost 1-2 | -131505 |
| 3standard | 475 | Paolillo, Elijah (1541) | Lost 0-2 | -171488 |
| 4standard | 708 | Morrow, Chris (1315) | Won 2-1 | +151503 |
| 5standard | 462 | Becker, Shawn (1671) | Lost 0-2 | -151488 |
| 6standard | 598 | Arseneau, Bradd (1423) | Lost 0-2 | -191469 |
| top | average opponent: 1543record: 2-4 | new rating: 1469 | ||