Foss, Aaron
Current rating: 1535
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 186 | Dahle, Travis (1520) | Lost 0-2 | -181499 |
| 2sealed | 348 | Corbett Jr, Steven (1482) | Won 2-0 | +181517 |
| 3sealed | 296 | Moore, Richard (1457) | Won 2-1 | +171534 |
| 4sealed | 237 | Reed, Jason (1749) | Won 2-1 | +221556 |
| 5sealed | 134 | Jones, Nick (1471) | Lost 1-2 | -201536 |
| 6sealed | 179 | McNaughten, Richard (1494) | Won 2-0 | +171553 |
| 7sealed | 111 | Amari, Gavin (1533) | Lost 0-2 | -181535 |
| top | average opponent: 1529record: 4-3 | new rating: 1535 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 112 | Caitung, Rocky (1482) | Won 2-1 | +171533 |
| 3standard | 90 | Esposito, John (1778) | Lost 1-2 | -131520 |
| 4standard | 256 | Haynes, Chris (1517) | Lost 0-2 | -181502 |
| 5standard | 274 | Podwika, Owen (1501) | Lost 0-0 | -181484 |
| 6standard | 300 | Blomquist, Jake (1396) | Won 2-1 | +161500 |
| 7standard | 254 | Fleury-Lopez, Travis (1432) | Lost 1-2 | -191481 |
| 8standard | 202 | Fall, David (1480) | Won 2-0 | +181499 |
| 9standard | 156 | Ilich, Chris (1506) | Won 2-0 | +181517 |
| top | average opponent: 1511record: 4-4 | new rating: 1517 | ||
| Grand Prix Minneapolis 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 474 | Weber, Matt (1477) | Draw 1-1 | 01500 |
| 2modern | 504 | Lessar, Marley (1500) | Won 2-0 | +181518 |
| 3modern | 394 | Limoseth, Kyle (1548) | Draw 1-1 | 01518 |
| 4modern | 584 | Johnson, Skylar (1517) | Won 2-0 | +181536 |
| 5modern | 419 | Majeran, Andrew (1538) | Lost 0-2 | -181518 |
| 6modern | 552 | Spartz, Michael (1517) | Lost 1-2 | -181500 |
| 7modern | 519 | Acevedo, Andrew (1442) | Won 2-0 | +171517 |
| 8modern | 403 | Kingsbury, Seth (1491) | Lost 1-2 | -181499 |
| 9modern | 364 | Martin, Max (1469) | Won 2-0 | +171516 |
| top | average opponent: 1500record: 4-3-2 | new rating: 1516 | ||