Derham, Sean
Current rating: 1563
| Grand Prix Sydney 2016 (EMN limited) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 118 | Hron, Mike (2009) | Lost 1-2 | -101525 |
| 4sealed | 196 | Ellis, Laura (1488) | Draw 1-1 | -11524 |
| 5sealed | 257 | Bayoneta, Chester Jay (1523) | Won 2-0 | +181542 |
| 6sealed | 166 | Vo, Khoi (1587) | Won 2-0 | +191561 |
| 7sealed | 98 | Romani, Douglas (1778) | Lost 0-2 | -141547 |
| 8sealed | 855 | Gunady, Randy (1519) | Draw 1-1 | 01547 |
| 9sealed | 229 | Hawkins Jr, Patrick (1479) | Won 2-0 | +161563 |
| top | average opponent: 1626record: 3-2-2 | new rating: 1563 | ||
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 147 | Ames, William (1500) | Won 2-0 | +171571 |
| 4sealed | 71 | Johnston, Ben [AUS] (1507) | Lost 1-2 | -191552 |
| 5sealed | 112 | Luey, Jonathan (1668) | Lost 0-2 | -161536 |
| 6sealed | 188 | Yuen, Tim (1465) | Won 2-1 | +171553 |
| 7sealed | 75 | Clarke, Trent (1524) | Won 2-1 | +171570 |
| 8sealed | 108 | L'Hopital, Sonia (1643) | Lost 0-2 | -171553 |
| 9sealed | 95 | Lowe, Tristan (1542) | Lost 1-2 | -181535 |
| top | average opponent: 1550record: 3-4 | new rating: 1535 | ||
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 14 | Sullivan, Sean [AUS] (1494) | Won 2-1 | +181518 |
| 2sealed | 2 | Richards, Darian (1441) | Lost 0-2 | -191499 |
| 3sealed | 161 | Hardy, Phillip (1532) | Won 2-1 | +181517 |
| 4sealed | 161 | Shao, Tong (1416) | Won 2-0 | +161533 |
| 5sealed | 113 | Kluss, Benjamin (1539) | Won 2-0 | +181551 |
| 6sealed | 162 | Robb, Justin (1744) | Lost 1-2 | -141537 |
| 7sealed | 105 | Stewart, Jack (1510) | Won 2-1 | +171554 |
| 8sealed | 69 | Ruysch, Justin (1522) | Won 2-0 | +181572 |
| 9sealed | 42 | Bucinskas, Darius (1578) | Lost 1-2 | -181554 |
| top | average opponent: 1530record: 6-3 | new rating: 1554 | ||