Simpson, Douglas
Current rating: 1514
| Grand Prix Sydney 2019 (RNA limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 50 | Kikkawa, Dillon (1698) | Won 2-0 | +221531 |
| 4sealed | 12 | James, Kurtis (1634) | Lost 0-2 | -171514 |
| top | average opponent: 1666record: 1-1 | new rating: 1514 | ||
| Grand Prix Melbourne 2018 (GRN limited) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 147 | Wei, Chengyi (1563) | Won 2-0 | +201482 |
| 4sealed | 22 | Nuske, Travis (1519) | Won 2-1 | +191501 |
| 5sealed | 6 | Qiao, Cheng (1626) | Lost 1-2 | -161485 |
| 6sealed | 72 | Nadebaum, Rob (1672) | Lost 0-2 | -151470 |
| 7sealed | 74 | Wong, Wai Bien (1705) | Won 2-1 | +221492 |
| 8sealed | 60 | Martin-McEwen, Leroy (1698) | Won 2-1 | +221514 |
| 9sealed | 29 | Bulluss, Benjamin (1540) | Lost 1-2 | -171497 |
| 10draft | 62 | Sato, Rei (1912) | Lost 1-2 | -111486 |
| 11draft | 13 | Mirara, Russel (1323) | Won 2-0 | +151501 |
| 12draft | 66 | Kay, Max (1506) | Won 2-0 | +181519 |
| 13draft | 39 | Lucas, Jeremy (1519) | Won 2-1 | +181537 |
| 14draft | 36 | Sclauzero, Joseph (1822) | Lost 0-2 | -131524 |
| 15draft | 10 | Xie, Zikai (1701) | Lost 0-2 | -151509 |
| top | average opponent: 1623record: 7-6 | new rating: 1509 | ||
| Grand Prix Brisbane 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 12 | Rolles, Jeff (1500) | Lost 0-2 | -181482 |
| 2modern | 216 | Hannan, Patrick (1482) | Lost 1-2 | -181464 |
| 3modern | 396 | Pezzutto, Sophie (1465) | Lost 1-2 | -181446 |
| 4modern | 432 | Brittain, Mark (1444) | Won 2-0 | +181464 |
| 5modern | 408 | King, Alex [AUS] (1462) | Lost 1-2 | -181446 |
| 6modern | 398 | Power, Connor (1358) | Won 2-0 | +161462 |
| 7modern | 351 | Di Iorio, Camillio (1464) | Lost 1-2 | -181444 |
| 8modern | 300 | Blow, Peter (1430) | Won 2-0 | +181462 |
| top | average opponent: 1451record: 3-5 | new rating: 1462 | ||