Mason, Joseph
Current rating: 1480
Record: 2-3
| Grand Prix Birmingham 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 128 | Olsem, Emilton (1500) | Won 2-1 | +181518 |
| 2modern | 171 | Mariusdottir, Thorey (1553) | Lost 1-2 | -171501 |
| 3modern | 328 | Weber, Wolfgang (1323) | Lost 1-2 | -221479 |
| 4modern | 375 | Gill, Josh (1481) | Won 2-1 | +181497 |
| 5modern | 234 | Livermore, Adam (1508) | Lost 0-2 | -171480 |
| average opponent: 1473record: 2-3 | new rating: 1480 | |||