Parker, Matthew
Current rating: 1504
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 726 | Fazio, Kristen (1426) | Won 2-0 | +171522 |
| 2modern | 303 | Baker, Steve (1434) | Won 2-0 | +161538 |
| 3modern | 14 | Loftus, Conor (1579) | Lost 0-2 | -171521 |
| 4modern | 709 | Visnic, Paul (1474) | Draw 1-1 | -11520 |
| 5modern | 550 | Weihrauch, Jacob (1512) | Lost 0-2 | -181502 |
| 6modern | 760 | Perera, Vittorio (1645) | Lost 0-2 | -151487 |
| 7modern | 717 | Sateia, Joshua (1480) | Lost 0-2 | -181469 |
| 8modern | 598 | McMann, Jesse (1445) | Won 2-1 | +171486 |
| 9modern | 462 | Owens, John (1469) | Won 2-1 | +181504 |
| top | average opponent: 1496record: 4-4-1 | new rating: 1504 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 258 | Greenbaum, Micah (1577) | Draw 1-1 | +21466 |
| 4legacy | 24 | Cook, Wade (1536) | Won 2-0 | +191485 |
| 5legacy | 129 | Page, Joey (1665) | Won 2-1 | +221507 |
| 6legacy | 59 | Kreiter, Eric (1612) | Lost 0-2 | -171490 |
| 7legacy | 171 | Hagan, Brendan (1444) | Won 2-0 | +181508 |
| 8legacy | 94 | Kinney, Mark (1492) | Won 2-1 | +171525 |
| 9legacy | 62 | Kieper, Jeff (1417) | Lost 0-2 | -201505 |
| top | average opponent: 1535record: 4-2-1 | new rating: 1505 | ||
| Grand Prix Charlotte 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 769 | Broadway, Taylor S (1500) | Lost 0-2 | -181482 |
| 2sealed | 1134 | Zinke, Adam (1482) | Lost 0-2 | -181464 |
| top | average opponent: 1491record: 0-2 | new rating: 1464 | ||