Montgomery, Jonathan
Current rating: 1480
Record: 11-14
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 158 | Scudieri, Jacob (1500) | Lost 1-2 | -171446 |
| 2sealed | 338 | Downs, Mikaela (1688) | Won 2-0 | +221468 |
| 3sealed | 372 | Reilly, Devin (1692) | Won 2-0 | +221490 |
| 4sealed | 218 | Fonseka, Aruna (1604) | Won 2-0 | +201510 |
| 5sealed | 190 | Ye, Jason (1540) | Lost 1-2 | -171493 |
| 6sealed | 220 | Landon, Eric (1807) | Lost 0-2 | -131480 |
| top | average opponent: 1638record: 3-3 | new rating: 1480 | ||
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Blazer, Henry (1505) | Won 2-0 | +191470 |
| 2sealed | 130 | Schooley, John (1601) | Lost 1-2 | -151455 |
| 3sealed | 569 | Graven, Atticus (1498) | Won 2-1 | +191474 |
| 4sealed | 315 | Hawley, Michael (1594) | Won 2-0 | +201494 |
| 5sealed | 114 | McMahon, Christopher (1743) | Lost 0-2 | -141480 |
| 6sealed | 233 | Deng, Jason (1519) | Lost 1-2 | -171463 |
| top | average opponent: 1577record: 3-3 | new rating: 1463 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 202 | Schoerner, Michael (1520) | Lost 0-2 | -171446 |
| 2standard | 375 | Cleary, Daniel (1463) | Won 2-0 | +191465 |
| 3standard | 339 | Perez, Ruben (1605) | Lost 1-2 | -161449 |
| 4standard | 531 | Sanislo, Stephen (1459) | Lost 0-2 | -181431 |
| 5standard | 490 | Haddad, Ryan (1461) | Won 2-0 | +191450 |
| 6standard | 411 | Culotta, Justin (1463) | Won 2-1 | +181468 |
| 7standard | 365 | Blackner, Austin (1536) | Lost 1-2 | -171451 |
| top | average opponent: 1501record: 3-4 | new rating: 1451 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 192 | Gaughan, Andrew (1500) | Lost 0-2 | -181482 |
| 2standard | 366 | Colon, Soraya (1483) | Lost 1-2 | -181464 |
| 3standard | 637 | Costella, Ethan (1464) | Won 2-0 | +181482 |
| 4standard | 579 | Strianese, Michael (1578) | Won 2-1 | +201502 |
| 5standard | 491 | Condrin, Dan (1503) | Lost 0-2 | -181484 |
| 6standard | 126 | Smith, Scott (1349) | Lost 1-2 | -211463 |
| top | average opponent: 1479record: 2-4 | new rating: 1463 | ||