Seifert, Aaron
Current rating: 1419
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 23 | Marin, Julian (1684) | Lost 1-2 | -131397 |
| 2sealed | 608 | Tarantini, Anthony (1457) | Won 2-0 | +191416 |
| 3sealed | 451 | Lopez, Jose (1475) | Won 2-0 | +191435 |
| 4sealed | 421 | Johl, Jason (1516) | Lost 0-2 | -161419 |
| top | average opponent: 1533record: 2-2 | new rating: 1419 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Stone, Blake (1466) | Lost 0-2 | -181445 |
| 2sealed | 498 | Maddox, Natalie (1483) | Lost 0-2 | -171428 |
| 3sealed | 550 | Gober, Aaron (1464) | Lost 1-2 | -181410 |
| top | average opponent: 1471record: 0-3 | new rating: 1410 | ||
| Grand Prix Anaheim 2012 (Innistrad block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 50 | Castillo, Ryen (1500) | Lost 0-2 | -181482 |
| 2block | 333 | Freitas, Kevin (1487) | Lost 1-2 | -181464 |
| 3block | 370 | Musachia, Kristina (1465) | Won 2-0 | +181482 |
| 4block | 416 | Donaldson, Richard (1482) | Lost 0-2 | -181464 |
| 5block | 394 | Lucas, William (1464) | Won 2-0 | +181482 |
| 6block | 306 | Espinoza, Nathan (1413) | Lost 1-2 | -191463 |
| top | average opponent: 1469record: 2-4 | new rating: 1463 | ||