Dorr, Brendan
Current rating: 1493
Record: 4-5-1
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 10 | LePine, Mark (1710) | Won 2-1 | +221508 |
| 5sealed | 35 | Elderfield, Darien (1522) | Draw 1-1 | 01508 |
| 6sealed | 23 | Mertes, Andrew (1574) | Won 2-0 | +191527 |
| 7sealed | 12 | Jensen, Axel (1562) | Lost 1-2 | -171510 |
| 8sealed | 38 | Bradford, Harry (1583) | Lost 0-2 | -171493 |
| average opponent: 1590record: 2-2-1 | new rating: 1493 | |||
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Cloutier, Olivier (1513) | Lost 0-2 | -181482 |
| 2sealed | 211 | Pockette, Tim (1482) | Won 2-0 | +181500 |
| 3sealed | 203 | Talmi, Dan (1499) | Won 2-1 | +181518 |
| 4sealed | 122 | Benson, Alex (1498) | Lost 1-2 | -181500 |
| 5sealed | 161 | McKenna, Timothy (1728) | Lost 0-2 | -141486 |
| average opponent: 1544record: 2-3 | new rating: 1486 | |||