Vaughn, Mark
Current rating: 1480
Record: 2-3
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 281 | Ostrander, Benjamin (1500) | Lost 1-2 | -181482 |
| 2sealed | 630 | Lundstrom, Justin (1482) | Lost 0-2 | -181464 |
| 3sealed | 776 | Bozarth, Clifford (1463) | Won 2-1 | +181482 |
| 4sealed | 735 | Brooks, Eric (1398) | Lost 0-2 | -201462 |
| 5sealed | 725 | Walters, Robert (1464) | Won 2-0 | +181480 |
| average opponent: 1461record: 2-3 | new rating: 1480 | |||