Roberts, Charis
Current rating: 1511
Record: 4-4
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Harrison, Luke (1632) | Won 2-0 | +201520 |
| 2standard | 39 | Rothenbaum, Kyle (1444) | Won 2-0 | +171537 |
| 3standard | 11 | Brown, Sean D (1506) | Lost 0-0 | -191518 |
| 4standard | 122 | McCourt, Brian (1525) | Won 2-1 | +191537 |
| 5standard | 55 | Powell, Piper (1803) | Lost 0-2 | -141523 |
| 6standard | 146 | Burt, Rodney (1501) | Lost 0-2 | -181505 |
| 7standard | 123 | Zhou, Zirui (1868) | Won 2-1 | +241529 |
| 8standard | 115 | Anderson, Aiden (1522) | Lost 1-2 | -181511 |
| average opponent: 1600record: 4-4 | new rating: 1511 | |||