Turner, Jonathan
Current rating: 1453
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 108 | Hendrickson, Steven (1439) | Lost 0-2 | -191468 |
| 2legacy | 331 | Sacik, Christopher (1482) | Won 2-0 | +181486 |
| 3legacy | 416 | Phillips, Cody (1477) | Won 2-1 | +181504 |
| 4legacy | 199 | Wallace, Ben (1614) | Lost 0-2 | -161488 |
| 5legacy | 258 | Martin, Ryan (1520) | Lost 1-2 | -171471 |
| 6legacy | 361 | Morrison, Sean (1485) | Lost 1-2 | -181453 |
| 7legacy | 293 | Merz, John (1465) | Won 2-0 | +181471 |
| 8legacy | 225 | Gotta, Raymond (1480) | Lost 0-2 | -181453 |
| top | average opponent: 1495record: 3-5 | new rating: 1453 | ||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 262 | Rabb, Tyler (1441) | Won 2-1 | +181461 |
| 2modern | 26 | Perry, Jonathan (1500) | Lost 1-2 | -181443 |
| 3modern | 400 | Wang, Andrew (1508) | Lost 0-2 | -161427 |
| 4modern | 646 | Catrett, Zachary (1482) | Won 2-0 | +191446 |
| 5modern | 574 | Mahaffey, Christopher (1551) | Lost 1-2 | -161430 |
| 6modern | 532 | O'Shea, Ryan (1447) | Won 2-0 | +181448 |
| 7modern | 426 | Bemus, Jennifer (1465) | Won 2-0 | +181466 |
| 8modern | 324 | Russell, Travis (1619) | Won 2-0 | +211487 |
| top | average opponent: 1502record: 5-3 | new rating: 1487 | ||
| Grand Prix Paris 2016 (OGW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 370 | Rimmelspacher, Eloi (1446) | Lost 0-2 | -191481 |
| 2standard | 357 | Demsar, Gregor (1485) | Won 2-0 | +181499 |
| 3standard | 507 | Simons, Alexis (1492) | Lost 0-2 | -181481 |
| 4standard | 616 | Boulanger, Raphael (1431) | Lost 1-2 | -191462 |
| 5standard | 696 | Perrin, Pierre (1394) | Lost 0-2 | -191443 |
| top | average opponent: 1449record: 1-4 | new rating: 1443 | ||