Black, Sierra
Current rating: 1487
Record: 4-6
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1473 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 21 | Tsao, Dennis (1607) | Lost 1-2 | -151458 |
| 4legacy | 195 | Benedict, Travis (1544) | Won 2-1 | +191477 |
| 5legacy | 129 | Cunningham, Michael (1625) | Lost 1-2 | -151462 |
| 6legacy | 239 | Coleman, Victorious (1508) | Won 2-0 | +191481 |
| 7legacy | 114 | Chen, Gregory (1734) | Won 2-0 | +221503 |
| 8legacy | 103 | Marcella, William (1565) | Lost 1-2 | -161487 |
| average opponent: 1597record: 3-3 | new rating: 1487 | |||
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 111 | Harmon, Lawrence (1700) | Lost 1-2 | -141486 |
| 3legacy | 258 | Landegger, Jesse (1507) | Won 2-1 | +181504 |
| 4legacy | 201 | McLaughlin, Keith (1659) | Lost 0-2 | -151489 |
| 5legacy | 333 | Hopkins, Matt (1636) | Lost 1-2 | -161473 |
| average opponent: 1626record: 1-3 | new rating: 1473 | |||