Jeffrey F.,
Current rating: 1534
Record: 5-3
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 346 | Houst, Tony (1500) | Won 2-1 | +181518 |
| 2sealed | 107 | Pelletier, Jared (1446) | Lost 1-2 | -191499 |
| 3sealed | 390 | Radchenko, Timofey V (1482) | Won 2-1 | +171516 |
| 4sealed | 481 | Canieso, Christopher (1517) | Won 2-0 | +181534 |
| 5sealed | 221 | Colby, Nicholas (1507) | Lost 1-2 | -181516 |
| 6sealed | 297 | Stanley, Mark E (1476) | Won 2-1 | +171533 |
| 7sealed | 352 | Fisher, Droo (1532) | Won 2-1 | +181551 |
| 8sealed | 204 | Mercier, Frederic (1575) | Lost 0-2 | -171534 |
| average opponent: 1504record: 5-3 | new rating: 1534 | |||