Riordan, Megan
Current rating: 1458
Record: 4-7
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | Michaels, Lucas (1777) | Lost 0-2 | -121458 |
| 2sealed | 273 | Scobee, Robert (1469) | Lost 0-0 | -181440 |
| 3sealed | 528 | Fontaine, David (1383) | Won 2-1 | +171457 |
| 4sealed | 456 | Galdos Leon, Rodrigo (1488) | Won 2-1 | +181475 |
| 5sealed | 314 | Roberson, Rameal (1488) | Lost 0-2 | -171458 |
| average opponent: 1521record: 2-3 | new rating: 1458 | |||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 409 | Perez, Jehdiel (1500) | Won 2-1 | +181518 |
| 2standard | 247 | Hensel, Mike (1517) | Won 2-1 | +181536 |
| 3standard | 10 | Petre, Evan (1828) | Lost 1-2 | -131523 |
| 4standard | 313 | Bertarioni, Jeremy (1607) | Lost 1-2 | -161507 |
| 5standard | 414 | Hayman, Maria (1499) | Lost 0-2 | -181489 |
| 6standard | 618 | Wenzel, Christopher (1477) | Lost 1-2 | -191470 |
| average opponent: 1571record: 2-4 | new rating: 1470 | |||