Roberts, Jason [ENG]
Current rating: 1501
Record: 3-3
| Grand Prix London 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 199 | Showler, Matt (1500) | Lost 1-2 | -181482 |
| 2sealed | 539 | Thompson, Thomas (1482) | Won 2-0 | +181500 |
| 3sealed | 357 | Smith, Richard (1471) | Won 2-1 | +171517 |
| 4sealed | 576 | Wilks, John-Joseph (1553) | Won 2-1 | +191536 |
| 5sealed | 284 | Rojo, Jordi (1528) | Lost 1-2 | -181518 |
| 6sealed | 492 | Veresov, Aleksej (1581) | Lost 0-2 | -171501 |
| average opponent: 1519record: 3-3 | new rating: 1501 | |||