Sowerby, Darren
Current rating: 1499
Record: 6-7
| Grand Prix Birmingham 2019 (modern) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 140 | Bruce, Ali (1500) | Won 2-1 | +181478 |
| 3modern | 187 | Bubb, Alexander (1735) | Won 2-0 | +231501 |
| 4modern | 67 | Duggan, Matthew [ENG] (1764) | Lost 1-2 | -131488 |
| 5modern | 89 | Harland, Adam (1540) | Won 2-1 | +191507 |
| 6modern | 69 | Dosimont, Amand (1803) | Lost 0-2 | -131494 |
| 7modern | 185 | Mahnke, Mattheo (1698) | Won 2-1 | +211515 |
| 8modern | 117 | Brooks, Sean (1614) | Lost 0-2 | -161499 |
| average opponent: 1665record: 4-3 | new rating: 1499 | |||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 480 | Gimenez Alemparte, Gerardo (1426) | Lost 1-2 | -191481 |
| 2modern | 576 | Dagnall, Timothy (1393) | Won 0-0 | +161497 |
| 3modern | 619 | Rogers, Nathanel (1409) | Won 2-1 | +161513 |
| 4modern | 394 | Nash, Shay (1519) | Lost 0-2 | -171496 |
| 5modern | 589 | Browne, Christian (1505) | Lost 1-2 | -181478 |
| 6modern | 629 | Horvat, Vjekoslav (1467) | Lost 1-2 | -181460 |
| average opponent: 1453record: 2-4 | new rating: 1460 | |||