Shaffer, Mason
Current rating: 1489
Record: 3-4
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 226 | Martin, Sean (1552) | Won 2-1 | +191519 |
| 2modern | 398 | Mccoy, Aaron (1536) | Won 2-1 | +181537 |
| 3modern | 453 | Mondello, Jake (1857) | Lost 1-2 | -121525 |
| 4modern | 394 | Aaron, Devin (1536) | Won 2-1 | +181543 |
| 5modern | 289 | Cholewa, Marius (1550) | Lost 1-2 | -181525 |
| 6modern | 376 | Parker, Zachariah (1518) | Lost 1-2 | -181507 |
| 7modern | 405 | Walker, Russel J (1500) | Lost 0-2 | -181489 |
| average opponent: 1579record: 3-4 | new rating: 1489 | |||