Roseburgh, Duncan
Current rating: 1428
Record: 0-4
| Grand Prix Melbourne 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 102 | Layfield, JJ (1517) | Lost 0-2 | -181482 |
| 3sealed | 143 | Gilligan, Brodie (1501) | Lost 0-2 | -171465 |
| 4sealed | 184 | Le Mesurier, Corey (1481) | Lost 0-2 | -181447 |
| 5sealed | 220 | Eyre, Shayne (1370) | Lost 0-2 | -191428 |
| average opponent: 1467record: 0-4 | new rating: 1428 | |||