Rosoff, Michael
Current rating: 1463
Record: 2-4
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 90 | Ruxton, Brad F (1558) | Lost 0-2 | -171483 |
| 2sealed | 733 | Hamel, Chris A (1482) | Won 2-1 | +181501 |
| 3sealed | 487 | Codman, John (1465) | Lost 0-2 | -191482 |
| 4sealed | 613 | Vandale, Jeffrey (1481) | Won 2-1 | +181500 |
| 5sealed | 621 | Williams, Justin 1201 (1483) | Lost 0-2 | -181482 |
| 6sealed | 563 | Mondello, Jake (1419) | Lost 0-2 | -191463 |
| average opponent: 1481record: 2-4 | new rating: 1463 | |||