Biggerstaff, Devon
Current rating: 1522
Record: 5-4
| Grand Prix Brisbane 2013 (modern) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 78 | dArgeavel, Ryan (1500) | Won 2-1 | +181536 |
| 2modern | 60 | Kelly, John-Paul (1828) | Won 2-0 | +231559 |
| 3modern | 51 | Moore, Henry (1588) | Lost 0-2 | -181541 |
| 4modern | 88 | Cooper, Brendan (1517) | Lost 1-2 | -181523 |
| 5modern | 109 | Bush, Ethan (1500) | Won 2-0 | +171540 |
| 6modern | 103 | Butlin, Jamie (1524) | Lost 1-2 | -181522 |
| average opponent: 1576record: 3-3 | new rating: 1522 | |||
| Grand Prix Brisbane 2011 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 101 | White, Jim (1500) | Won 2-0 | +181518 |
| 2standard | 19 | Searles, James (1516) | Lost 1-2 | -181500 |
| 3standard | 122 | Chih, Chris (1500) | Won 2-0 | +181518 |
| average opponent: 1505record: 2-1 | new rating: 1518 | |||