Preston, Robert
Current rating: 1540
Record: 5-3
| Grand Prix Birmingham 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 257 | Perikleous, George (1456) | Won 2-1 | +171517 |
| 2modern | 200 | Kear-Smith, Rory (1649) | Lost 0-2 | -151502 |
| 3modern | 297 | Glover, Lee (1487) | Won 2-0 | +171519 |
| 4modern | 267 | Duderija, Marko (1484) | Lost 0-2 | -181501 |
| 5modern | 236 | Woodward, Daniel (1504) | Won 2-1 | +181519 |
| 6modern | 161 | Mackarel, Alastair (1525) | Won 2-1 | +181537 |
| 7modern | 87 | Martins, Joao (1576) | Won 2-1 | +191556 |
| 8modern | 70 | Gravina, Michele (1708) | Lost 1-2 | -161540 |
| average opponent: 1549record: 5-3 | new rating: 1540 | |||