Mannix, Justin
Current rating: 1528
Record: 4-3
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 47 | Duterte, Daniel (1676) | Lost 1-2 | -151485 |
| 4modern | 796 | Williamson, Scott (1263) | Won 2-0 | +141499 |
| 5modern | 244 | Parnes, Stuart (1672) | Lost 1-2 | -151484 |
| 6modern | 419 | Fardink, Jeffrey (1577) | Won 2-1 | +201504 |
| 7modern | 230 | Gertz, Jacob (1544) | Won 2-0 | +191523 |
| 8modern | 211 | Melrose, Seth (1544) | Won 2-0 | +181541 |
| 9modern | 181 | Asselin, Philippe (1789) | Lost 1-2 | -131528 |
| average opponent: 1581record: 4-3 | new rating: 1528 | |||