Mathis, Tyler
Current rating: 1446
Record: 2-5
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 143 | Mondragon, Gabriel (1452) | Lost 1-2 | -191463 |
| 2sealed | 247 | Odom, Mitch (1482) | Won 2-0 | +191482 |
| 3sealed | 152 | Crosten, Jason (1500) | Lost 1-2 | -181464 |
| 4sealed | 314 | La Pera, Mike A (1482) | Lost 1-2 | -181446 |
| average opponent: 1479record: 1-3 | new rating: 1446 | |||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Smith, Tim (1500) | Won 2-0 | +181518 |
| 2sealed | 90 | Moses, Robert J (1517) | Lost 1-2 | -181500 |
| 3sealed | 246 | Murphy, Ben (1484) | Lost 1-2 | -181482 |
| average opponent: 1500record: 1-2 | new rating: 1482 | |||