Marchall, Tammy
Current rating: 1480
Record: 4-5
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 341 | Danielson, Kristian (1500) | Lost 0-2 | -181482 |
| 2block | 533 | Kearsley, Loz (1485) | Lost 1-2 | -181464 |
| 3block | 623 | Bayfield, Nathan (1465) | Lost 0-2 | -181446 |
| 4block | 657 | Tumber, Mark (1448) | Lost 0-2 | -181428 |
| 5block | 614 | Newham, Joshua (1428) | Won 2-0 | +181446 |
| 6block | 505 | Alonso, Jose (1397) | Lost 1-2 | -191427 |
| 7block | 450 | Naylor, Michael (1427) | Won 2-1 | +181445 |
| 8block | 345 | Moreno, Manuel Angel (1446) | Won 2-0 | +181463 |
| 9block | 279 | Figueiredo, Luis (1398) | Won 2-0 | +171480 |
| average opponent: 1444record: 4-5 | new rating: 1480 | |||