Mason, Owain
Current rating: 1482
Record: 1-2
| Grand Prix Birmingham 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | Turner, Peter (1482) | Won 2-1 | +181518 |
| 2sealed | 55 | Smith, Leonard (1525) | Lost 0-2 | -181500 |
| 3sealed | 123 | Friel, Liam (1499) | Lost 0-2 | -181482 |
| average opponent: 1502record: 1-2 | new rating: 1482 | |||