Ohearn, Doug
Current rating: 1530
Record: 4-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 417 | Jones, Brandon (1500) | Won 2-0 | +181518 |
| 2sealed | 488 | Genge, Chase (1500) | Lost 0-2 | -181500 |
| 3sealed | 675 | Peebles-Mundy, Benjamin (1699) | Lost 1-2 | -151485 |
| 4sealed | 686 | Habib, Joe (1482) | Won 2-1 | +181503 |
| 5sealed | 659 | Quiros, Manuel (1483) | Won 2-0 | +181521 |
| 6sealed | 561 | Hunt, Tim R (1725) | Won 2-0 | +221543 |
| 7sealed | 480 | Turtenwald, Owen (1830) | Lost 0-2 | -131530 |
| average opponent: 1603record: 4-3 | new rating: 1530 | |||