Rattray, Sean
Current rating: 1457
Record: 4-7
| Grand Prix Birmingham 2019 (modern) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 144 | Karasinski, Thomas (1500) | Won 2-0 | +181511 |
| 2modern | 115 | Huynh, Daniel (1477) | Lost 0-2 | -181493 |
| 3modern | 302 | Gouw, Esther (1481) | Lost 0-2 | -191474 |
| 4modern | 296 | Lang, Samuel (1524) | Lost 1-2 | -171457 |
| average opponent: 1496record: 1-3 | new rating: 1457 | |||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 288 | Mochan, Levi (1689) | Lost 1-2 | -151485 |
| 4modern | 260 | Nylund, Niklas (1700) | Won 2-0 | +221507 |
| 5modern | 245 | Casamenti, Alessandro (1585) | Lost 0-2 | -161491 |
| 6modern | 388 | Nijholt, Peter (1431) | Lost 1-2 | -191472 |
| 7modern | 555 | Almeida Valdes, Jorge (1575) | Won 2-0 | +191491 |
| 8modern | 384 | Hatton, Zachary (1519) | Won 2-1 | +191510 |
| 9modern | 268 | Treike, Vincent (1566) | Lost 1-2 | -171493 |
| average opponent: 1581record: 3-4 | new rating: 1493 | |||