Posey, Matthew
Current rating: 1554
Record: 9-6
| Grand Prix Charlotte 2015 (modern) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 402 | Lidsky, Jordan (1500) | Lost 1-2 | -181500 |
| 2modern | 555 | Morse, Luke C (1482) | Won 2-0 | +171517 |
| 3modern | 452 | Gamble, Steven (1461) | Won 2-1 | +171534 |
| 4modern | 401 | DeForge, Jonathan (1531) | Won 2-0 | +181552 |
| 5modern | 272 | Palevac, Robert (1518) | Lost 1-2 | -181534 |
| 6modern | 388 | Hartman, Reed (1684) | Won 2-1 | +201554 |
| 7modern | 312 | Miller, Josef (1542) | Won 2-1 | +181572 |
| 8modern | 263 | Fitzgerald, Brian J (1554) | Lost 0-2 | -181554 |
| average opponent: 1534record: 5-3 | new rating: 1554 | |||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 154 | Romero, Steven (1500) | Won 2-0 | +181518 |
| 2modern | 163 | Fodi, Marcio Rafael (1518) | Lost 1-2 | -181500 |
| 3modern | 287 | Casto, Matt (1500) | Won 2-0 | +181518 |
| 4modern | 243 | Delisle, Raistlin (1514) | Lost 0-2 | -181500 |
| 5modern | 302 | Morgera, Matthew (1502) | Won 2-0 | +181518 |
| 6modern | 293 | Lewis, Joshua (1483) | Won 2-0 | +171535 |
| 7modern | 137 | Sheldon, Cory (1569) | Lost 1-2 | -171518 |
| average opponent: 1512record: 4-3 | new rating: 1518 | |||