Jefferys, Eddy
Current rating: 1466
Record: 4-6
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 54 | Koek, Joris (1452) | Won 2-0 | +171483 |
| 2legacy | 48 | Nikitakis, Noli (1374) | Won 2-1 | +161499 |
| 3legacy | 238 | Mantoani, Leandro (1515) | Lost 1-2 | -171482 |
| 4legacy | 254 | Juraschek, Timo (1553) | Lost 0-2 | -171465 |
| 5legacy | 286 | Malone, William (1499) | Won 2-1 | +191484 |
| 6legacy | 246 | Fletcher, Richard (1486) | Lost 0-2 | -181466 |
| average opponent: 1480record: 3-3 | new rating: 1466 | |||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 249 | Horwood, Barry (1413) | Won 2-0 | +161516 |
| 2modern | 98 | Guilherme-Fryer, George-Thomas (1518) | Lost 0-0 | -181498 |
| 3modern | 412 | Muir, Jonathan (1500) | Lost 0-2 | -181480 |
| 4modern | 671 | Rasmussen, Thomas (1650) | Lost 0-2 | -141466 |
| average opponent: 1520record: 1-3 | new rating: 1466 | |||