Hammill, Robert
Current rating: 1481
Record: 2-3
| Grand Prix Oakland 2019 (modern) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 273 | Dailey, Michael (1578) | Lost 0-1 | -161481 |
| record: 0-1 | new rating: 1481 | |||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 570 | Raney, Tom (1428) | Lost 1-2 | -191481 |
| 2sealed | 700 | Steele, Michael (1448) | Won 2-0 | +171498 |
| 3sealed | 531 | Garcia, Alexander (1457) | Lost 0-2 | -191479 |
| 4sealed | 700 | Gaxiola, Efren (1484) | Won 2-0 | +181497 |
| average opponent: 1454record: 2-2 | new rating: 1497 | |||