McCormack, Aaron
Current rating: 1452
| Grand Prix Phoenix 2018 (modern) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 338 | Davila, Michael (1464) | Lost 0-2 | -171420 |
| 2modern | 475 | Huston, Zachary (1484) | Won 2-0 | +191439 |
| 3modern | 385 | Goddik, Hans Jacob (1711) | Won 2-1 | +231462 |
| 4modern | 235 | Smith, Robert RC (1761) | Lost 1-2 | -131449 |
| 5modern | 470 | Mendoza, Brandon (1447) | Won 2-0 | +181467 |
| 6modern | 243 | Nguyen, Kevin (1647) | Lost 1-2 | -151452 |
| top | average opponent: 1586record: 3-3 | new rating: 1452 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 80 | Bennette, Anthony (1538) | Won 2-0 | +201483 |
| 3sealed | 49 | Avelar, Anthony (1755) | Lost 1-2 | -131470 |
| 4sealed | 193 | Goldman, Josh (1633) | Lost 1-2 | -161454 |
| 5sealed | 216 | Hammond, Patrick (1501) | Lost 0-2 | -171437 |
| top | average opponent: 1607record: 1-3 | new rating: 1437 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 463 | Orr, Joseph (1465) | Lost 0-2 | -191481 |
| 2standard | 517 | Canez, Jesus (1492) | Won 2-0 | +191500 |
| 3standard | 435 | Gleason, Jason (1488) | Lost 1-2 | -191481 |
| 4standard | 585 | Plumley, Kyle (1479) | Lost 1-2 | -181463 |
| top | average opponent: 1481record: 1-3 | new rating: 1463 | ||