Breeden, Marina
Current rating: 1500
Record: 6-6-1
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 120 | Hillman, Peter (1500) | Lost 0-2 | -181482 |
| 2standard | 120 | Mace, Henry (1481) | Draw 1-1 | 01482 |
| 3standard | 120 | Holm, Andreas (1485) | Lost 0-2 | -181464 |
| 4standard | 120 | Elliott, Kelsey (1463) | Won 2-0 | +181482 |
| 5standard | 120 | Hamer, Douglas (1467) | Won 2-0 | +181500 |
| average opponent: 1479record: 2-2-1 | new rating: 1500 | |||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 93 | Perez, Victor [ESP] (1474) | Won 2-0 | +181518 |
| 3block | 93 | Lote, Nick (1499) | Lost 0-2 | -191499 |
| 4block | 93 | Whetton, Benjamin (1517) | Lost 0-2 | -171482 |
| 5block | 93 | Turner, Matthew [ENG] (1500) | Won 2-0 | +181500 |
| 6block | 93 | Schoot, Ray (1548) | Lost 0-2 | -171483 |
| 7block | 93 | Morrissey, Thomas (1479) | Lost 0-2 | -181465 |
| 8block | 93 | Jones, Edward (1482) | Won 2-0 | +181483 |
| 9block | 93 | Jones, Rhys (1435) | Won 2-0 | +171500 |
| average opponent: 1492record: 4-4 | new rating: 1500 | |||