Jefferis, Robert
Current rating: 1483
Record: 3-4
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 15 | Robertson, Matt (1437) | Won 2-0 | +171517 |
| 3standard | 247 | Allen, Tim (1449) | Lost 0-2 | -191498 |
| 4standard | 193 | Crann, Peter (1484) | Won 2-1 | +171515 |
| 5standard | 112 | Bessa, Vitor (1500) | Lost 0-2 | -181497 |
| 6standard | 230 | Horwood, Barry (1423) | Won 2-1 | +171514 |
| 7standard | 224 | Boyhan, Aaron (1836) | Lost 0-2 | -131501 |
| 8standard | 255 | Djogouros, Michalis (1484) | Lost 0-2 | -181483 |
| average opponent: 1516record: 3-4 | new rating: 1483 | |||