Roberts, Sky
Current rating: 1433
Record: 3-7
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 139 | Mukhar, Alex (1650) | Lost 0-2 | -151469 |
| 2modern | 397 | Chacon, Daniel (1482) | Lost 1-2 | -171452 |
| 3modern | 733 | Grant, Tim (1421) | Lost 1-2 | -191433 |
| average opponent: 1518record: 0-3 | new rating: 1433 | |||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 50 | David, Noah (1445) | Lost 0-2 | -191481 |
| 2sealed | 557 | Weeke, John (1530) | Lost 0-2 | -171464 |
| 3sealed | 793 | Davis, Merlin (1468) | Won 2-1 | +181482 |
| 4sealed | 728 | Anderson, Brian (1414) | Lost 0-1 | -191463 |
| 5sealed | 809 | Fung, Darren (1462) | Won 2-0 | +181481 |
| 6sealed | 625 | Wagner, Clayton (1435) | Won 2-0 | +171498 |
| 7sealed | 467 | Ferraro, Casey (1746) | Lost 1-2 | -141484 |
| average opponent: 1500record: 3-4 | new rating: 1484 | |||