Kernan, Justin
Current rating: 1488
Record: 5-6
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 167 | Hague, Matt (1531) | Won 2-1 | +191481 |
| 3sealed | 188 | Graif, Ben (1538) | Won 2-1 | +191500 |
| 4sealed | 147 | Huteson, Tom (1734) | Won 2-1 | +231523 |
| 5sealed | 67 | Gao, Roger (1586) | Lost 1-2 | -171506 |
| 6sealed | 79 | Avanesian, Michael (1442) | Lost 1-2 | -191487 |
| 7sealed | 228 | Park, Ben (1536) | Won 2-1 | +191506 |
| 8sealed | 136 | Flones, Jason E (1552) | Lost 0-2 | -181488 |
| average opponent: 1560record: 4-3 | new rating: 1488 | |||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 183 | Tyabji, Kaz (1496) | Lost 1-2 | -181482 |
| 2standard | 364 | Ouano, Jeff (1482) | Won 2-1 | +181500 |
| 3standard | 298 | Saugier, Kyle (1405) | Lost 1-2 | -201480 |
| 4standard | 376 | Russell, Carol A (1481) | Lost 0-2 | -181462 |
| average opponent: 1466record: 1-3 | new rating: 1462 | |||