Turnbull, Dexter
Current rating: 1471
| Grand Prix London 2015 (ORI standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 672 | Statham, Rhys (1500) | Won 2-0 | +191465 |
| 2standard | 618 | Calix, Charles (1418) | Lost 0-2 | -191446 |
| 3standard | 851 | Fuller, Richard (1502) | Won 2-1 | +191465 |
| 4standard | 815 | Fletcher, Joel (1515) | Won 2-0 | +191484 |
| 5standard | 686 | Young, Brian (1508) | Draw 1-1 | +11485 |
| 6standard | 727 | Chhen, Patrick (1743) | Lost 1-2 | -141471 |
| top | average opponent: 1531record: 3-2-1 | new rating: 1471 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 572 | Jenkins, Adam (1500) | Won 2-0 | +181500 |
| 2sealed | 217 | Blaszczak, Rafal (1416) | Lost 0-2 | -191481 |
| 3sealed | 512 | Hamer, Richard (1467) | Won 2-0 | +181499 |
| 4sealed | 400 | Jones, Edward (1482) | Lost 0-2 | -191480 |
| 5sealed | 611 | Rees, Alastair (1571) | Lost 1-2 | -161464 |
| 6sealed | 548 | Sajjad, Usama (1470) | Lost 0-2 | -181446 |
| top | average opponent: 1484record: 2-4 | new rating: 1446 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 189 | Way, Stephen (1483) | Lost 1-2 | -181482 |
| 2block | 430 | Lloyd, Glenn (1470) | Won 2-0 | +171499 |
| 3block | 382 | Marriott, Andrew (1501) | Lost 0-2 | -171482 |
| 4block | 456 | Dobbs, Liam (1482) | Lost 1-2 | -181464 |
| 5block | 590 | Mills, Jake (1465) | Won 2-1 | +181482 |
| 6block | 65 | Glover, Matthew (1481) | Lost 0-2 | -181464 |
| 7block | 409 | Dolan, Stephanie (1466) | Won 2-0 | +181482 |
| 8block | 320 | Spencer, Richard (1489) | Lost 1-2 | -181464 |
| 9block | 272 | Conway, Lucy (1486) | Won 2-1 | +181482 |
| top | average opponent: 1480record: 4-5 | new rating: 1482 | ||