Hartmann, Joey
Current rating: 1428
Record: 0-4
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 393 | Moran, Tim (1487) | Lost 0-2 | -181482 |
| 2sealed | 669 | Radzwilla, Michael (1481) | Lost 1-2 | -181464 |
| 3sealed | 732 | Sarmiento, James (1463) | Lost 0-2 | -181446 |
| 4sealed | 826 | Boody, Charles (1445) | Lost 1-2 | -181428 |
| average opponent: 1469record: 0-4 | new rating: 1428 | |||