Martin, Jamie Joy
Current rating: 1505
Record: 5-5
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 39 | Hom, Kevin (1516) | Won 2-0 | +181534 |
| 5sealed | 40 | Choma, Tom (1675) | Lost 1-2 | -151519 |
| 6sealed | 37 | LePine, Mark (1703) | Won 2-1 | +211540 |
| 7sealed | 49 | Strong, Tom (1554) | Lost 0-2 | -171523 |
| 8sealed | 103 | Moir, Ben (1551) | Lost 1-2 | -181505 |
| average opponent: 1600record: 2-3 | new rating: 1505 | |||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 240 | Meeson, David (1450) | Lost 1-2 | -191481 |
| 2standard | 291 | Wagner, Andrew W (1482) | Won 2-0 | +181499 |
| 3standard | 347 | Shepardson, Noah A (1467) | Won 2-1 | +181517 |
| 4standard | 191 | John, Gene r (1509) | Won 2-1 | +171534 |
| 5standard | 129 | Lafleur, Thayer (1535) | Lost 1-2 | -181516 |
| average opponent: 1489record: 3-2 | new rating: 1516 | |||