Matthews, Patrick
Current rating: 1448
Record: 2-5-1
| Grand Prix Dallas 2007 (extended) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 70 | Blackard, Joey (1500) | Lost 1-2 | -181465 |
| 2extended | 235 | Hill, Adam (1482) | Lost 0-2 | -181447 |
| 3extended | 314 | Sewell, Anthony L (1464) | Won 0-0 | +191466 |
| 4extended | 272 | Shryock, Edward (1482) | Lost 0-2 | -181448 |
| average opponent: 1482record: 1-3 | new rating: 1448 | |||
| Grand Prix Austin 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Hankerson, Harry (1500) | Won 2-0 | +181518 |
| 2sealed | 87 | Bellucci, Jonathan (1518) | Lost 0-2 | -181500 |
| 3sealed | 131 | Peters, David (1500) | Draw 1-1 | 01500 |
| 4sealed | 119 | Delfino, Dio Alexander (1534) | Lost 1-2 | -171483 |
| average opponent: 1513record: 1-2-1 | new rating: 1483 | |||