Byers, Joshua W
Current rating: 1465
Record: 6-8
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 32 | Copeland, Sean (1500) | Won 2-0 | +181481 |
| 2sealed | 121 | Bevel, Mike (1518) | Won 2-0 | +191500 |
| 3sealed | 55 | Caverly, Matt (1515) | Lost 1-2 | -181482 |
| 4sealed | 184 | Thompson, Greg (1498) | Won 2-0 | +191501 |
| 5sealed | 139 | Jones, Glenn (1507) | Lost 0-2 | -181483 |
| 6sealed | 111 | Gerrish, Colby (1470) | Lost 0-2 | -181465 |
| average opponent: 1501record: 3-3 | new rating: 1465 | |||
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 156 | Bickford, Ethan (1500) | Lost 1-2 | -181482 |
| 2block | 132 | Burt, Jeremy (1482) | Won 2-0 | +181500 |
| 3block | 143 | Livingstone, Robert (1500) | Won 2-1 | +181518 |
| 4block | 133 | Miller, Stephen (1502) | Lost 0-2 | -181500 |
| 5block | 124 | Fowler, Edward (1500) | Lost 1-2 | -181482 |
| 6block | 150 | Mattson, Adam (1428) | Lost 1-2 | -191463 |
| 7block | 138 | Jones, Paul (1445) | Won 2-0 | +171480 |
| 8block | 103 | Perron, Francois (1501) | Lost 1-2 | -171463 |
| average opponent: 1482record: 3-5 | new rating: 1463 | |||