Roberts, Lacey
Current rating: 1469
| Grand Prix Calgary 2019 (modern) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 369 | Groat, Jesse (1500) | Won 2-0 | +191462 |
| 2modern | 48 | Lambe, Riley (1518) | Lost 0-2 | -171445 |
| 3modern | 195 | Mcgimspey, Ryan (1500) | Draw 1-1 | +11446 |
| 4modern | 274 | Reid, Jordan (1560) | Won 2-1 | +201466 |
| 5modern | 184 | Lozinski, Andrew (1518) | Lost 1-2 | -171449 |
| 6modern | 256 | Elmore, Robert (1418) | Lost 0-2 | -181431 |
| 7modern | 238 | Koop, Mark (1481) | Won 2-1 | +191450 |
| 8modern | 174 | Dawson, Julian (1498) | Won 2-0 | +191469 |
| top | average opponent: 1499record: 4-3-1 | new rating: 1469 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 615 | Engelhard, Eric (1500) | Won 2-0 | +191465 |
| 2sealed | 430 | Hu, Jonathan (1734) | Lost 0-2 | -131452 |
| 3sealed | 535 | Malcolm, Liam (1500) | Won 0-0 | +181470 |
| 4sealed | 439 | Fang, Percy (1817) | Lost 0-2 | -111459 |
| 5sealed | 407 | Wong, Jarred (1501) | Lost 1-2 | -181441 |
| 6sealed | 570 | Belfie, Matthew (1481) | Won 2-1 | +191460 |
| 7sealed | 475 | Martin, Sean (1528) | Lost 0-2 | -171443 |
| top | average opponent: 1580record: 3-4 | new rating: 1443 | ||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 367 | Mullan, Paul (1500) | Lost 0-2 | -181482 |
| 2modern | 268 | Christianson, Jared (1482) | Lost 0-2 | -181464 |
| 3modern | 473 | Rachiero, Anthony (1463) | Lost 1-2 | -181446 |
| 4modern | 503 | Routley, Rob (1446) | Won 2-1 | +181464 |
| 5modern | 416 | Sulyma, Kyle (1453) | Lost 0-2 | -181446 |
| top | average opponent: 1469record: 1-4 | new rating: 1446 | ||