Vaughn, Chris
Current rating: 1482
Record: 4-5
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 701 | Nightingale, Ryan (1541) | Lost 0-2 | -171483 |
| 2modern | 698 | Eshghy, Pat (1751) | Lost 0-2 | -131470 |
| 3modern | 1118 | Brown, Nathan (1390) | Won 2-0 | +161486 |
| 4modern | 1089 | Moss, Laura (1481) | Won 2-1 | +181504 |
| 5modern | 862 | Montgomery, James (1500) | Lost 0-2 | -181486 |
| 6modern | 841 | Lopez, Jose Manuel (1382) | Lost 1-2 | -201466 |
| 7modern | 748 | Conroy, Andre (1423) | Won 2-0 | +171483 |
| 8modern | 549 | Clevenger, Jesse (1434) | Lost 1-2 | -191464 |
| 9modern | 477 | Sayers, John (1467) | Won 2-1 | +181482 |
| average opponent: 1485record: 4-5 | new rating: 1482 | |||