Jeffery, Robert
Current rating: 1465
Record: 1-3
| Grand Prix Birmingham 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 192 | P, Brian (1725) | Lost 1-2 | -141486 |
| 2modern | 330 | Ireland, Sean (1464) | Lost 0-2 | -181468 |
| 3modern | 412 | Paramos Albea, Rosa Ana (1359) | Won 2-0 | +161484 |
| 4modern | 374 | Taman, William (1446) | Lost 0-2 | -191465 |
| average opponent: 1499record: 1-3 | new rating: 1465 | |||