Parks, William
Current rating: 1416
Record: 2-7
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 44 | Beacham, Christopher (1500) | Won 2-0 | +191447 |
| 2standard | 24 | Held, Eric J (1517) | Lost 0-2 | -171430 |
| 3standard | 194 | Luce, Matthew (1500) | Won 2-1 | +201450 |
| 4standard | 159 | Remigio, Inigo (1517) | Lost 0-2 | -171433 |
| 5standard | 239 | Myers, Kyle (1499) | Lost 1-2 | -171416 |
| average opponent: 1507record: 2-3 | new rating: 1416 | |||
| Grand Prix Charlotte 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 3 | smith, Erek (1500) | Lost 0-2 | -181482 |
| 2extended | 182 | Ramos, Jose (1468) | Lost 0-2 | -181464 |
| 3extended | 177 | Aintrazi, Amer (1465) | Lost 0-2 | -181446 |
| 4extended | 208 | Hall, Jason (1447) | Lost 1-2 | -181428 |
| average opponent: 1470record: 0-4 | new rating: 1428 | |||