Mattis, Ryan
Current rating: 1523
Record: 6-5-1
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Williamson, Charles E (1517) | Lost 0-2 | -181501 |
| 2sealed | 316 | Murray, Aaron (1506) | Won 2-1 | +181519 |
| 3sealed | 293 | Donaway, Duane (1499) | Lost 0-2 | -181501 |
| 4sealed | 396 | Schlegel, Michael [USA] (1482) | Won 2-1 | +171518 |
| 5sealed | 229 | Glynn, Joshua (1500) | Won 2-0 | +181536 |
| 6sealed | 176 | Griffin, Matthew [USA] (1806) | Lost 1-2 | -131523 |
| average opponent: 1552record: 3-3 | new rating: 1523 | |||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 126 | Kielian, Christopher (1500) | Won 2-1 | +181518 |
| 2block | 9 | Hollar, Paul (1519) | Lost 0-2 | -181500 |
| 3block | 123 | Schmidt, William (1501) | Won 2-0 | +181518 |
| 4block | 159 | Kasper, Matthew (1484) | Draw 1-1 | -11517 |
| 5block | 139 | Mayer, D.j. (1518) | Won 2-1 | +181535 |
| 6block | 85 | Pinter, Jeremy (1622) | Lost 0-2 | -161519 |
| average opponent: 1524record: 3-2-1 | new rating: 1519 | |||