Halliwill, Ethan
Current rating: 1507
Record: 4-4
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 92 | Engbrecht, Ryan (1809) | Lost 0-2 | -131487 |
| 2standard | 123 | Zhang, Zeyang (1482) | Won 2-0 | +181505 |
| 3standard | 203 | Martell, Johnathon (1500) | Won 0-0 | +181523 |
| 4standard | 134 | Klein, Jacob (1523) | Lost 1-2 | -181505 |
| 5standard | 172 | Penticoff, Aidan (1529) | Lost 0-1 | -171488 |
| 6standard | 165 | Harrison, Luke (1600) | Lost 0-2 | -161472 |
| 7standard | 151 | Pearson, Max (1467) | Won 2-1 | +181490 |
| 8standard | 136 | Broussard, Jerome (1459) | Won 2-1 | +171507 |
| average opponent: 1546record: 4-4 | new rating: 1507 | |||