Maciejewski, Matthew
Current rating: 1439
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1401 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 299 | Robinson, Adam (1648) | Lost 0-2 | -141387 |
| 2sealed | 415 | Heidenthal, Jason (1452) | Won 0-0 | +191406 |
| 3sealed | 444 | Petrick, Frank (1447) | Won 2-0 | +191425 |
| 4sealed | 201 | Sun, Allen (1626) | Lost 0-2 | -141411 |
| 5sealed | 308 | Dixon, Ian (1494) | Won 2-1 | +191430 |
| 6sealed | 185 | Fogelsonger, Seth (1520) | Won 2-0 | +201450 |
| 7sealed | 131 | Adams, Ken (1889) | Lost 1-2 | -111439 |
| top | average opponent: 1582record: 4-3 | new rating: 1439 | ||
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 222 | Molina, Wilberto (1674) | Lost 1-2 | -141451 |
| 2legacy | 212 | Cornwell, Kyle (1600) | Lost 0-2 | -151436 |
| 3legacy | 353 | LaVerde, Anthony (1431) | Lost 1-2 | -181418 |
| 4legacy | 391 | Henry, Ian (1482) | Lost 0-2 | -171401 |
| top | average opponent: 1547record: 0-4 | new rating: 1401 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 413 | Tran, Ke-An (1565) | Lost 0-2 | -171483 |
| 2sealed | 596 | McKenzie, Joseph (1482) | Draw 1-1 | 01483 |
| 3sealed | 829 | Jiang, Rui (1482) | Lost 0-2 | -181465 |
| top | average opponent: 1510record: 0-2-1 | new rating: 1465 | ||