Coman-Hidy, David P
Current rating: 1523
Record: 4-3
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 238 | Ratanadawong, Jordan (1503) | Won 2-0 | +181518 |
| 2sealed | 96 | Lafferty, Travis (1481) | Won 2-0 | +171535 |
| 3sealed | 215 | Ralph, Brandon (1537) | Won 2-1 | +181553 |
| 4sealed | 144 | Leitner, Benjamin (1770) | Lost 0-2 | -141539 |
| 5sealed | 273 | Santana, Hugo (1593) | Won 2-1 | +191558 |
| 6sealed | 255 | Van Veen, William (1574) | Lost 0-2 | -171541 |
| 7sealed | 318 | Kiihne, Zachary (1538) | Lost 1-2 | -181523 |
| average opponent: 1571record: 4-3 | new rating: 1523 | |||