Long, Matthew C
Current rating: 1506
Record: 5-5-1
| Grand Prix Atlanta 2008 (ALA limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Kramer, Joseph (1500) | Won 2-1 | +181498 |
| 2sealed | 51 | Gerrish, Colby (1494) | Won 2-1 | +181516 |
| 3sealed | 11 | Wolfe, Brandt (1535) | Lost 0-2 | -181498 |
| 4sealed | 110 | Patnik, Michael (1622) | Won 2-0 | +201518 |
| 5sealed | 114 | Rondon, Miguel (1543) | Lost 1-2 | -171501 |
| 6sealed | 185 | Frayman, Igor (1766) | Draw 1-1 | +51506 |
| average opponent: 1577record: 3-2-1 | new rating: 1506 | |||
| Grand Prix Daytona Beach 2007 (LRW limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 103 | Gregath, Brent (1500) | Lost 0-2 | -181482 |
| 2sealed | 224 | Shakarisaz, David (1429) | Won 2-1 | +171499 |
| 3sealed | 117 | Folwell, Robert A (1500) | Lost 1-2 | -181481 |
| 4sealed | 238 | Adly, Kirolos M (1463) | Won 2-0 | +181499 |
| 5sealed | 214 | Cox, Patrick (1435) | Lost 0-2 | -191480 |
| average opponent: 1465record: 2-3 | new rating: 1480 | |||