Duncan, Joshua E
Current rating: 1522
Record: 4-3
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 271 | Anderson, Joseph F (1650) | Lost 0-2 | -151485 |
| 4modern | 321 | Smith, Alex J (1483) | Lost 0-2 | -181467 |
| 5modern | 438 | Roberts, Shane (1465) | Won 2-0 | +181485 |
| 6modern | 447 | Snyder, Jeramy (1522) | Won 2-1 | +181503 |
| 7modern | 280 | Johnson, Christopher W (1539) | Lost 1-2 | -171486 |
| 8modern | 376 | Spence, Dylan (1465) | Won 2-0 | +181504 |
| 9modern | 312 | Walker, Joey B (1538) | Won 2-0 | +181522 |
| average opponent: 1523record: 4-3 | new rating: 1522 | |||