Foster, Corey
Current rating: 1450
Record: 4-7
| Grand Prix Atlanta 2018 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 383 | Marano, Joseph (1500) | Lost 1-2 | -181467 |
| 2modern | 481 | Turner, Hamilton (1399) | Lost 1-2 | -191448 |
| 3modern | 669 | Demuth, Lucas (1414) | Won 2-0 | +171465 |
| 4modern | 535 | Mirabito, Stephen (1481) | Won 2-1 | +181483 |
| 5modern | 398 | Phan, Dexter (1469) | Lost 0-2 | -181465 |
| 6modern | 523 | Rand, Kevin (1612) | Lost 0-2 | -151450 |
| average opponent: 1479record: 2-4 | new rating: 1450 | |||
| Grand Prix Atlanta 2011 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 505 | Hinkle, Charles (1682) | Lost 0-2 | -151485 |
| 3extended | 575 | Pike, Maitland (1413) | Lost 0-2 | -191466 |
| 4extended | 633 | Oravet, Daniel M (1480) | Won 2-1 | +181484 |
| 5extended | 558 | Schwartzman, Patryk (1499) | Won 2-0 | +191503 |
| 6extended | 526 | Keaton, Justin (1502) | Lost 0-2 | -181485 |
| average opponent: 1515record: 2-3 | new rating: 1485 | |||