Williams, Halston
Current rating: 1480
Record: 7-8
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 332 | Petkov, Kaloyan (1408) | Lost 0-2 | -211521 |
| 2modern | 554 | Salyer, Jeremy (1419) | Lost 0-2 | -201501 |
| 3modern | 974 | Gilbert, Joseph (1464) | Won 2-1 | +181519 |
| 4modern | 822 | Bilodeau, Tucker (1490) | Won 2-0 | +171536 |
| 5modern | 742 | Schlaefli, Cade (1503) | Lost 1-2 | -191517 |
| 6modern | 658 | Emerson, Micah (1481) | Lost 0-2 | -181499 |
| 7modern | 696 | Lohman, Cason (1481) | Lost 0-2 | -191480 |
| average opponent: 1464record: 2-5 | new rating: 1480 | |||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 126 | Westbrook, Robert (1417) | Won 2-0 | +171517 |
| 2modern | 58 | Koenig, Jake (1631) | Lost 1-2 | -161501 |
| 3modern | 335 | Beckham, Dylan (1485) | Lost 0-0 | -191482 |
| 4modern | 563 | Linville, Jeffrey (1485) | Won 2-1 | +181500 |
| 5modern | 303 | Dunavant, James (1521) | Won 2-1 | +191519 |
| 6modern | 275 | Yeoh, Ken-Min (1577) | Won 2-1 | +191538 |
| 7modern | 127 | Jones, Will (1601) | Won 2-0 | +191557 |
| 8modern | 159 | McClenathan, Sean (1701) | Lost 0-2 | -151542 |
| average opponent: 1552record: 5-3 | new rating: 1542 | |||