Williams, Justin 1201
Current rating: 1484
Record: 2-3
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 382 | Skvir, Nicholas J (1518) | Lost 0-2 | -181482 |
| 3sealed | 383 | Biasetti, Anthony (1451) | Won 2-0 | +181500 |
| 4sealed | 410 | Rabinowitz, Jacob (1577) | Lost 0-2 | -171483 |
| 5sealed | 621 | Rosoff, Michael (1500) | Won 2-0 | +181501 |
| 6sealed | 395 | Syed, James P (1511) | Lost 1-2 | -171484 |
| average opponent: 1511record: 2-3 | new rating: 1484 | |||