Hollen, Donald M
Current rating: 1465
Record: 1-3
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 86 | Zinky, John (1500) | Won 2-0 | +181518 |
| 2sealed | 366 | Ellis, Jason (1528) | Lost 0-2 | -181500 |
| 3sealed | 408 | Murphy, Joshua (1559) | Lost 1-2 | -171483 |
| 4sealed | 714 | Montalvo, Radames (1444) | Lost 0-2 | -181465 |
| average opponent: 1508record: 1-3 | new rating: 1465 | |||