Jacob H.,
Current rating: 1488
Record: 3-4
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 138 | Mueller, Alex (1534) | Won 2-0 | +191519 |
| 2sealed | 333 | Miller, John (1488) | Won 2-0 | +171536 |
| 3sealed | 151 | Zampierollo, Giorgio (1536) | Won 2-0 | +181554 |
| 4sealed | 37 | Chen, Jiayi (1710) | Lost 1-2 | -151539 |
| 5sealed | 235 | Rasmussen, Ben (1690) | Lost 0-2 | -151524 |
| 6sealed | 293 | Ziet, Kevin (1575) | Lost 1-2 | -171507 |
| 7sealed | 465 | Marsden, Andrew (1500) | Lost 0-2 | -191488 |
| average opponent: 1576record: 3-4 | new rating: 1488 | |||