Byrum, James
Current rating: 1493
Record: 5-6
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 20 | Olds, Patrick (1467) | Won 2-0 | +181500 |
| 3sealed | 114 | Nehl, Charlie (1520) | Lost 1-2 | -181482 |
| 4sealed | 154 | Suit, Shawn (1479) | Won 2-0 | +181500 |
| 5sealed | 106 | Huff, Nate (1581) | Won 2-0 | +201520 |
| 6sealed | 40 | Wagner, Bob (1586) | Won 2-1 | +191539 |
| 7sealed | 60 | Miller, Larry (1575) | Lost 0-2 | -171522 |
| 8sealed | 46 | Damo da Rosa, Paulo Vitor (1932) | Lost 1-2 | -111511 |
| 9sealed | 81 | Tessler, Jonathan (1540) | Lost 0-2 | -181493 |
| average opponent: 1585record: 4-4 | new rating: 1493 | |||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 92 | Schuett, Court (1500) | Lost 0-2 | -181482 |
| 2sealed | 455 | Hellenbrand, Seth (1496) | Won 2-1 | +181500 |
| 3sealed | 272 | Doran, Marcus (1500) | Lost 0-2 | -181482 |
| average opponent: 1499record: 1-2 | new rating: 1482 | |||