Purssell, Duncan
Current rating: 1449
Record: 3-6-1
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 289 | Lenning, Ariel (1500) | Won 2-0 | +181501 |
| 2sealed | 191 | Hanson, Leah (1517) | Lost 1-2 | -181483 |
| 3sealed | 325 | Lu, Robert (1610) | Lost 0-2 | -151468 |
| 4sealed | 323 | Kim, Will (1413) | Lost 0-2 | -191449 |
| average opponent: 1510record: 1-3 | new rating: 1449 | |||
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 224 | Kenkel, Ray (1500) | Lost 1-2 | -181482 |
| 2sealed | 364 | Tetreault, Gregory (1452) | Won 2-1 | +171499 |
| 3sealed | 368 | Williams, Ben (1600) | Draw 1-1 | +21501 |
| 4sealed | 435 | Carriere, Robert (1497) | Won 2-0 | +181519 |
| 5sealed | 287 | Stewart, Ryan (1518) | Lost 0-2 | -181501 |
| 6sealed | 396 | Lentini, Michael (1479) | Lost 1-2 | -181483 |
| average opponent: 1508record: 2-3-1 | new rating: 1483 | |||